A decomposition apparatus and decomposition method for animal carcasses

Abstract

The application relates to the technical field of animal carcass treatment, in particular to a decomposition device and decomposition method for animal carcasses, which comprises a decomposition tank, a side cover rotatably arranged on the decomposition tank and a control cabinet fixedly arranged at the side end of the decomposition tank, the decomposition tank is in an elliptical shape in section, an installation opening is arranged on the side far from the control cabinet, and a placing assembly is arranged in the installation opening; the placing assembly comprises a placing basket, the placing basket is a horizontally arranged cylindrical basket, an installation opening is arranged on the upper surface, a rotating assembly is arranged in the placing basket, and the rotating assembly is used for rotating the animal carcass; the rotating assembly comprises a driving gear ring, a driving ring and a plurality of rotating pieces, the driving gear ring is rotatably arranged on the side of the placing basket far from the control cabinet, and the driving ring is rotatably arranged at the other end of the placing basket. The application can increase the contact area of the carcass with the solution introduced into the gas storage, thereby improving the hydrolysis efficiency and efficiently hydrolyzing the carcass.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of animal carcass processing, in particular to a decomposition device and method for animal carcass. BACKGROUND

[0002] Many pet owners in life will encounter the situation of pet death. Whether the animal carcass is normal death or epidemic death, if it is not handled or handled improperly, the carcass will decompose and rot quickly, and emit odor, so it is necessary to decompose and handle the pet carcass in a correct way.

[0003] The patent with publication number CN105107817B discloses an animal carcass decomposition and fermentation device, which comprises a feeding hopper, a pulverizer and a fermentation tank. The feeding hopper comprises a feeding hopper body, the pulverizer comprises a roller shaft, a cutter, a snap ring, a cutter groove and a motor, and the fermentation tank comprises a fermentation tank body, a stirring device and a stirring motor. The above patent can prevent residues from scattering during the processing of animal carcass, improve work efficiency, make fermentation reaction more sufficient, reduce the re-production of pollution sources, and enable the animal carcass to be subjected to sufficient fermentation treatment in the fermentation tank to prevent secondary pollution caused by incomplete fermentation.

[0004] However, most pet owners cannot accept the pulverization of animal carcass, and will choose to decompose it by alkaline hydrolysis. Alkaline hydrolysis refers to decomposing the carcass into amino acids, polypeptides and sterile liquid in an alkaline solution under high temperature and high pressure. However, the existing device directly puts the carcass in and then sprays water. Since the position of the carcass is fixed, the carcass cannot effectively and uniformly contact the solution when the alkaline solution is introduced, resulting in low hydrolysis efficiency and inefficient decomposition of the animal carcass. SUMMARY

[0005] The present application aims to solve the problem of the prior art that the position of the carcass is fixed, the carcass cannot effectively and uniformly contact the solution when the alkaline solution is introduced, resulting in low hydrolysis efficiency and inefficient decomposition of the animal carcass, and proposes a decomposition device and method for animal carcass.

[0006] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0007] A decomposition device for animal carcass, comprising a decomposition tank, a side cover rotatably arranged on the decomposition tank and a control console fixedly installed at the side end of the decomposition tank, wherein the cross section of the decomposition tank is elliptical, and an installation opening is formed on the side away from the control console, and a placing assembly is arranged inside the installation opening, and the placing assembly is used for placing animal carcass.

[0008] The placement assembly includes a placement basket, which is a horizontally arranged cylindrical basket with a placement opening on its upper surface. A rotating assembly is provided inside the placement basket, and the rotating assembly is used to rotate the animal carcass;

[0009] The rotating assembly includes a driving gear ring, a driving ring and a plurality of rotating plates, wherein the driving gear ring is rotatably mounted on a side of the placement basket away from the console, the driving ring is rotatably mounted on the other end of the placement basket, and the plurality of rotating plates are annularly fixedly connected between the driving gear ring and the driving ring;

[0010] A driving assembly is provided below the placement basket, and the driving assembly is used to drive the rotating assembly to rotate.

[0011] Preferably, the placement assembly also includes two slide rails, two sliding blocks and a pull cover, the pull cover is fixedly connected to one end of the placement basket close to the installation port, the two slide rails are symmetrically fixedly installed at the bottom of the decomposition tank, the two sliding blocks are symmetrically fixedly connected to the side of the placement basket away from the pull cover, and are slidably arranged inside the slide rails, and the slide rails are arranged in an inverted U shape for moving impurities to the bottom of the decomposition tank.

[0012] Preferably, the rotating piece is a trapezoidal piece, with a short side fixedly connected to the driving gear ring and the other end fixedly connected to the driving ring. The rotating piece is tilted to form a truncated cone-shaped rotating wheel.

[0013] Preferably, the driving assembly includes a rotating gear ring, a first driving gear and a fixed ring. The rotating gear ring is rotatably installed between the driving gear ring and the placement basket. The fixed ring is fixedly connected to the driving gear ring and the upper side of the placement basket for connection and fixation. The first driving gear is arranged at the bottom of the decomposition tank and is meshed with the driving gear ring.

[0014] Preferably, the first driving gear is installed at the bottom of the decomposition tank through a control assembly, and the control assembly includes a driving motor, a control gear, a waterproof cover, two telescopic rods, a rotating rod and a second driving gear. The driving motor is fixedly connected to the bottom of the decomposition tank through a placement frame, and the control gear is fixedly connected to the driving end of the driving motor. The two telescopic rods are respectively fixedly connected to both sides of the bottom end of the decomposition tank, and the two ends of the rotating rod are respectively rotatably installed on the top of the two telescopic rods. The second driving gear is fixedly connected to the rotating rod and meshed with the control gear. The waterproof cover is arranged on the outside of the second driving gear and is sealed and rotatably connected to the rotating rod. The first driving gear is sleeved on the rotating rod.

[0015] Preferably, a material guide arc plate is provided at the bottom of the decomposition tank, and the material guide arc plate is a semicircular arc plate. A material guide component is provided on the rotating rod, and the material guide component is used to guide out the decomposed impurities.

[0016] Preferably, the material guide assembly includes a material guide spiral blade and a guide box. The material guide spiral blade is fixedly mounted on the rotating rod and arranged inside the material guide arc plate. The guide box is arranged on the side of the decomposition tank close to the console and is connected to the material guide plate.

[0017] Preferably, an ultrasonic probe is fixedly connected to the side of the console close to the placement basket, and a bayonet is provided on the side of the placement basket close to the console, and the ultrasonic probe is clamped inside the bayonet.

[0018] Preferably, two water pipes are symmetrically fixedly installed on both sides of the decomposition tank, and a plurality of nozzles are fixedly connected to the water pipes at equal intervals. The console is fixedly connected to two mounting brackets near the side of the placement basket. The mounting brackets are located above the placement opening of the placement basket, and a plurality of liquid spray heads are fixedly connected to the bottom of the mounting brackets.

[0019] A decomposition method using the above-mentioned animal carcass decomposition device, the decomposition steps comprising:

[0020] S1: Place the body to be decomposed into a basket, then transfer the basket to the decomposition tank for decomposition;

[0021] S2: The first stage: alkaline protease treatment. The activity of alkaline protease is controlled at 37-55℃ and pH value is controlled at 8-10 to ensure the highest activity. Alkaline protease is more active in an environment with low ionic strength. Alkaline protease can break down proteins into smaller peptides and amino acids, which are convenient for subsequent processing.

[0022] S3: The second stage: alkaline lipase treatment, alkaline lipase can break down fat and convert it into substances that are more easily bioavailable. At this time, the activity is highest when the temperature is maintained at around 37-55℃ and the pH value is controlled in the range of 8-11 to ensure the highest activity;

[0023] S4: The third stage: saponification reaction, through which fat and alkali react to produce higher fatty acid salts and glycerol, is an important step in the biodegradation process. The higher fatty acid salts and glycerol produced by saponification can improve biodegradability, making the biodegraded substances more easily absorbed by the environment;

[0024] S5: The fourth stage: mixture treatment, through chemical reactions, acid-base neutralization, oxidation-reduction, etc., the harmful substances in the mixture are converted into harmless substances to reduce environmental pollution;

[0025] S6: The fifth stage: Inorganic bone treatment, using chemicals such as strong acids or strong alkalis to dissolve or decompose the bones and convert them into inorganic substances;

[0026] S7: During the entire processing stage, the rotating assembly is controlled by the driving motor to rotate, thereby driving the animal carcass placed inside the rotating assembly to rotate, thereby improving the decomposition efficiency, and at the same time, the decomposition is accelerated by turning on the ultrasonic probe.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] 1. When the animal carcass is placed inside the placement basket, the driving assembly drives the first transmission gear ring to rotate, thereby driving the multiple rotating plates to rotate, ensuring that the animal carcass is in a flipping state during the decomposition process, improving the full contact between the animal carcass and the solution when the solution is less. The present invention can increase the contact area between the stored gas and the solution when the carcass is introduced into the solution, thereby improving the hydrolysis efficiency and performing efficient hydrolysis on the carcass;

[0029] 2. Since the temperature of the alkaline solution near the heating position is higher than that at other positions, the rotating wheel will drive the alkaline solution to stir, which can speed up the uniform heating of the alkaline solution, thereby ensuring the temperature of the alkaline solution at the position where the corpse contacts, and ensuring uniform hydrolysis of the corpse;

[0030] 3. The rotating second driving gear drives the rotating rod to rotate, thereby rotating the material guide spiral blade, gradually pushing the impurities that fall into the material guide arc plate to one side, and finally falling and accumulating into the outlet box. The outlet box then transfers and reprocesses these impurities, which can improve the efficiency of the entire processing and decomposition;

[0031] 4. A driving motor drives the rotating assembly and the material guiding assembly to work simultaneously, which optimizes the overall structure, reduces energy consumption and ensures the decomposition effect;

[0032] 5. In order to improve the efficiency of decomposition, an ultrasonic probe is set up. Ultrasonic waves generate high-frequency vibrations in alkaline solutions, forming tiny bubbles, which promote rapid reaction with the alkaline solution and can shorten the hydrolysis time by 30%-50%. It is especially effective for difficult-to-decompose connective tissues (such as fascia and cartilage);

[0033] 6. The ultrasonic cavitation effect can physically penetrate the bacterial and viral envelopes, and combined with the high pH value of the alkaline environment, it can achieve double inactivation, with a pathogen killing rate close to 100%. Ultrasonic vibration eliminates the stratification phenomenon between the alkaline solution and the corpse, ensuring that the solution fully contacts the interior of the tissue to avoid local undecomposed residues. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 This is a front structural schematic diagram of a decomposition device for animal carcasses proposed by the present invention;

[0035] Figure 2This is a schematic diagram of the bottom structure of a device for decomposing animal carcasses proposed by the present invention;

[0036] Figure 3 This is a schematic diagram of the internal structure of a device for decomposing animal carcasses proposed by the present invention;

[0037] Figure 4 This is a schematic cross-sectional view of a device for decomposing animal carcasses proposed by the present invention;

[0038] Figure 5 for Figure 4 Schematic diagram of the enlarged structure at A in the middle;

[0039] Figure 6 This is a schematic diagram of the internal structure of a decomposition tank of an animal carcass decomposition device proposed by the present invention;

[0040] Figure 7 This is a schematic diagram of the bottom structure of a decomposition tank of an animal carcass decomposition device proposed by the present invention;

[0041] Figure 8 This is a schematic diagram of the structure of the placement components of a decomposition device for animal carcasses proposed by the present invention;

[0042] Figure 9 This is a schematic diagram of the expanded structure of the placement components of a decomposition device for animal carcasses proposed by the present invention;

[0043] Figure 10 This is a schematic diagram of the control component structure of a device for decomposing animal carcasses proposed by the present invention.

[0044] In the figure: 1. Decomposition tank; 2. Side cover; 3. Control console; 4. Placement assembly; 41. Placement basket; 42. Slide rail; 43. Sliding block; 44. Pull cover; 5. Rotation assembly; 51. Drive gear ring; 52. Drive ring; 53. Rotation plate; 6. Drive assembly; 61. Rotation gear ring; 62. First drive gear; 63. Fixed ring; 7. Control assembly; 71. Drive motor; 72. Control gear; 73. Waterproof cover; 74. Telescopic rod; 75. Rotation rod; 76. Second drive gear; 8. Material guide assembly; 81. Material guide spiral blade; 82. Export box; 9. Material guide arc plate; 10. Ultrasonic probe; 11. Water pipe; 12. Mounting bracket. DETAILED DESCRIPTION

[0045] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0046] The terms "upper", "lower", "left", "right", "middle" and "one" used in the present invention are only for the convenience of description and are not intended to limit the scope of the present invention. Changes or adjustments to their relative relationships should be regarded as within the scope of the present invention without substantially changing the technical content.

[0047] Reference Figures 1-10 A decomposition device for animal carcasses, comprising: a decomposition tank 1, a side cover 2 rotatably mounted on the decomposition tank 1, and a console 3 fixedly mounted on a side end of the decomposition tank 1. The decomposition tank 1 has an elliptical cross-section and a mounting opening on a side away from the console 3. A placement component 4 is disposed within the mounting opening for placing animal carcasses.

[0048] The placement assembly 4 includes a placement basket 41, which is a horizontally arranged cylindrical basket with a placement opening on its upper surface. A rotation assembly 5 is provided inside the placement basket 41, and the rotation assembly 5 is used to rotate the animal carcass.

[0049] The rotating assembly 5 includes a driving gear ring 51, a driving ring 52, and a plurality of rotating pieces 53. The driving gear ring 51 is rotatably mounted on the side of the placement basket 41 away from the console 3. The driving ring 52 is rotatably mounted on the other end of the placement basket 41. The plurality of rotating pieces 53 are annularly fixedly connected between the driving gear ring 51 and the driving ring 52.

[0050] A driving assembly 6 is provided below the placement basket 41 , and the driving assembly 6 is used to drive the rotating assembly 5 to rotate.

[0051] In an embodiment of the application of the above technical solution, a heating device is provided inside the decomposition tank 1 for changing the temperature of the solution inside the decomposition tank 1. At the same time, an observation window is provided on the side cover 2 for observing the internal decomposition situation. When the animal carcass is placed inside the placement basket 41, the driving assembly 6 drives the gear ring 51 to rotate, thereby driving the multiple rotating plates 53 to rotate, ensuring that the animal carcass is in a flipped state during the decomposition process, thereby improving the full contact between the animal carcass and the animal carcass when there is less solution.

[0052] The present invention can increase the contact area between the stored gas and the solution when the corpse is introduced into the solution, thereby improving the efficiency of hydrolysis and performing efficient hydrolysis on the corpse.

[0053] The preferred technical solution in this embodiment is:

[0054] Reference Figure 3-7The placement component 4 also includes two slide rails 42, two sliding blocks 43 and a pull cover 44. The pull cover 44 is fixedly connected to one end of the placement basket 41 close to the installation port. The two slide rails 42 are symmetrically fixedly installed at the bottom of the decomposition tank 1. The two sliding blocks 43 are symmetrically fixedly connected to the side of the placement basket 41 away from the pull cover 44, and are slidably arranged inside the slide rails 42. The slide rails 42 are arranged in an inverted U shape for moving impurities to the bottom of the decomposition tank 1.

[0055] When placing an animal carcass, the placement basket 41 is removed from the decomposition tank 1 by pulling the pull cover 44, and the animal carcass is placed inside the decomposition tank 1. The pull cover 44 is then pushed to transfer the carcass into the decomposition tank 1 for hydrolysis. This method can quickly transfer the carcass and improve the efficiency of hydrolysis.

[0056] Reference Figure 8-9 The rotating piece 53 is a trapezoidal piece, and the short side is fixedly connected to the driving gear ring 51, and the other end is fixedly connected to the driving ring 52. The rotating piece 53 is tilted to form a truncated cone-shaped rotating wheel.

[0057] There is enough space between the rotating pieces 53. Since the end of the rotating piece 53 close to the driving gear ring 51 is shorter, there is enough space to place the animal carcass. When the rotating wheel rotates under the drive of the driving gear ring 51, the animal carcass will rotate with the rotating wheel. When the aqueous solution is continuously introduced, all surfaces of the carcass are in full contact with the solution, so that the animal carcass continues to roll in the alkaline solution, thereby improving the hydrolysis efficiency of the animal carcass.

[0058] At the same time, since the alkaline solution is heated inside the decomposition tank 1, but the temperature of the alkaline solution near the heating position is higher than that at other positions, the rotating wheel will drive the alkaline solution to be stirred, which can speed up the uniform heating of the alkaline solution, thereby ensuring the temperature of the alkaline solution at the position where the corpse is in contact, and ensuring uniform hydrolysis of the corpse.

[0059] Reference Figure 4-5 The driving assembly 6 includes a rotating gear ring 61, a first driving gear 62 and a fixed ring 63. The rotating gear ring 61 is rotatably installed between the driving gear ring 51 and the placement basket 41. The fixed ring 63 is fixedly connected to the driving gear ring 51 and the upper side of the placement basket 41 for connection and fixation. The first driving gear is arranged at the bottom of the decomposition tank 1 and is meshed with the driving gear ring 51.

[0060] The first driving gear 62 is installed at the bottom of the decomposition tank 1 through the control component 7. The control component 7 includes a driving motor 71, a control gear 72, a waterproof cover 73, two telescopic rods 74, a rotating rod 75 and a second driving gear 76. The driving motor 71 is fixedly connected to the bottom of the decomposition tank 1 through a placement frame. The control gear 72 is fixedly connected to the driving end of the driving motor 71. The two telescopic rods 74 are respectively fixedly connected to both sides of the bottom end of the decomposition tank 1. The two ends of the rotating rod 75 are respectively rotatably mounted on the top of the two telescopic rods 74. The second driving gear 76 is fixedly connected to the rotating rod 75 and meshed with the control gear 72. The waterproof cover 73 is arranged on the outside of the second driving gear 76 and is sealed and rotatably connected to the rotating rod 75. The first driving gear 62 is sleeved on the rotating rod 75.

[0061] The bottom side of the fixing ring 63 is provided with an opening for the first driving gear 62 and the driving gear ring 51 to engage with each other. The fixing ring 63 is used to fix the placement basket 41 and the pulling cover 44, avoiding the placement basket 41 from rotating when the driving gear ring 51 rotates, thereby ensuring that the placement port remains upward.

[0062] The control gear 72 is driven to rotate by the driving motor 71, and the second driving gear 76 is driven to rotate by the control gear 72, so that the second driving gear drives the rotating rod 75 to rotate. At this time, the first driving gear 62 fixed on the rotating rod 75 will rotate with the rotating rod 75 to realize the rotation of the rotating wheel.

[0063] In order to prevent the alkaline solution from dripping onto the driving motor 71 when it is introduced, a waterproof cover 73 is provided to seal the position of the second driving gear 76, thereby ensuring that the solution will not drip while the second driving gear 76 rotates.

[0064] Reference Figure 6-7 The decomposition tank 1 is provided with a guide arc plate 9 at the bottom. The guide arc plate 9 is a semicircular arc plate. The rotating rod 75 is provided with a guide component 8. The guide component 8 is used to guide the decomposed impurities.

[0065] The material guide assembly 8 includes a material guide spiral blade 81 and a guide box 82. The material guide spiral blade 81 is fixedly mounted on the rotating rod 75 and is arranged inside the material guide arc plate 9. The guide box 82 is arranged on the side of the decomposition tank 1 close to the console 3 and is connected to the material guide plate.

[0066] Since some insoluble impurities are generated during the dissolution process of the alkaline solution, these impurities need to be collected and then further processed. The existing method requires waiting until the decomposition is complete before collecting and processing these impurities, which reduces the efficiency of the entire hydrolysis;

[0067] By providing a guide arc plate 9 at the bottom of the elliptical decomposition tank 1, the impurities that cannot be decomposed will fall to the bottom of the decomposition tank 1. Due to the action of gravity, they will gradually accumulate inside the guide arc plate 9. The rotating second drive gear 76 drives the rotating rod 75 to rotate, thereby rotating the guide spiral blade 81, and the impurities that fall into the guide arc plate 9 are gradually pushed to one side, and finally fall and accumulate inside the outlet box 82. These impurities are then transferred and reprocessed through the outlet box 82, which can improve the efficiency of the entire processing and decomposition.

[0068] At the same time, the telescopic rod 74 is used to control the up and down movement of the rotating rod 75. When the decomposition device is not working, the telescopic rod 74 descends, so that the first drive gear 62 is separated from the driving gear ring 51 and no longer meshes, but the degree of meshing between the control gear 72 and the second drive gear 76 below is strengthened. When the decomposition device is working, the telescopic rod 74 moves upward, so that the first drive gear 62 is separated from the driving gear ring 51 and meshes, while the control gear 72 and the second drive gear 76 are still meshed to ensure normal drive. In order to facilitate the adjustment of the meshing situation, the teeth of the first drive gear 62, the driving gear ring 51, the control gear 72 and the second drive gear 76 are all set to be long strips for easy control.

[0069] The rotating assembly 5 and the material guiding assembly 8 are driven by a driving motor 71 to work simultaneously, thereby optimizing the overall structure, reducing energy consumption and ensuring the decomposition effect.

[0070] Reference Figure 4 and Figure 6 The side of the console 3 close to the placement basket 41 is fixedly connected with an ultrasonic probe 10. The side of the placement basket 41 close to the console 3 is provided with a bayonet, and the ultrasonic probe 10 is clamped inside the bayonet.

[0071] In order to improve the efficiency of decomposition, an ultrasonic probe 10 is provided. Ultrasonic waves generate high-frequency vibrations in the alkaline solution, forming tiny bubbles. When the bubbles collapse instantly, they release local high temperature (about 5000K) and high pressure (about 1000atm), destroying the structure of macromolecules such as proteins and fats, promoting their rapid reaction with the alkaline solution, and shortening the hydrolysis time by 30%-50%. This is particularly effective for difficult-to-decompose connective tissues such as fascia and cartilage.

[0072] At the same time, the ultrasonic cavitation effect can physically penetrate the bacterial and viral envelopes, and combined with the high pH value of the alkaline environment, it achieves double inactivation, with a pathogen killing rate close to 100%;

[0073] Ultrasonic vibration eliminates the stratification between the alkali solution and the corpse, ensuring that the solution fully contacts the interior of the tissue and avoiding local undecomposed residues.

[0074] Reference Figure 6-7Two water pipes 11 are symmetrically fixedly installed on both sides of the decomposition tank 1, and multiple nozzles are fixedly connected to the water pipes 11 at equal intervals. Two mounting brackets 12 are fixedly connected to the side of the console 3 near the placement basket 41. The mounting brackets 12 are located above the placement opening of the placement basket 41, and multiple liquid spray heads are fixedly connected to the bottom of the mounting brackets 12.

[0075] According to the different stages of decomposition, different decomposition solutions are introduced into the decomposition tank 1 to ensure rapid decomposition of the corpse. Through the multiple nozzles on both sides and the spray head above, when the solution is less, the solution can be sprayed directly onto the corpse, thereby improving the decomposition effect.

[0076] A decomposition method using the above-mentioned animal carcass decomposition device, the decomposition steps comprising:

[0077] S1: The body to be decomposed is placed in the placement basket 41, and then the placement basket 41 is transferred to the decomposition tank 1 to prepare for decomposition;

[0078] S2: The first stage: alkaline protease treatment. The activity of alkaline protease is controlled at 37-55℃ and pH value is controlled at 8-10 to ensure the highest activity. Alkaline protease is more active in an environment with low ionic strength. Alkaline protease can break down proteins into smaller peptides and amino acids, which are convenient for subsequent processing.

[0079] S3: The second stage: alkaline lipase treatment, alkaline lipase can break down fat and convert it into substances that are more easily bioavailable. At this time, the activity is highest when the temperature is maintained at around 37-55℃ and the pH value is controlled in the range of 8-11 to ensure the highest activity;

[0080] S4: The third stage: saponification reaction, through which fat and alkali react to produce higher fatty acid salts and glycerol, is an important step in the biodegradation process. The higher fatty acid salts and glycerol produced by saponification can improve biodegradability, making the biodegraded substances more easily absorbed by the environment;

[0081] S5: The fourth stage: mixture treatment, through chemical reactions, acid-base neutralization, oxidation-reduction, etc., the harmful substances in the mixture are converted into harmless substances to reduce environmental pollution;

[0082] S6: The fifth stage: Inorganic bone treatment, using chemicals such as strong acids or strong alkalis to dissolve or decompose the bones and convert them into inorganic substances;

[0083] S7: During the entire processing stage, the rotating assembly 5 is controlled to rotate by driving the motor 71, thereby driving the animal carcass placed inside the rotating assembly 5 to rotate, thereby improving the decomposition efficiency, and at the same time accelerating the decomposition by opening the ultrasonic probe 10.

[0084] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A decomposition device for animal carcasses, comprising: A decomposition tank (1), a side cover (2) rotatably mounted on the decomposition tank (1), and a console (3) fixedly mounted on a side end of the decomposition tank (1), characterized in that the cross-section of the decomposition tank (1) is elliptical, and a mounting opening is provided on a side away from the console (3), a placement component (4) is provided inside the mounting opening, and the placement component (4) is used to place animal carcasses; The placement assembly (4) includes a placement basket (41), the placement basket (41) is a horizontally arranged cylindrical basket with a placement opening on the upper surface, and a rotation assembly (5) is arranged inside the placement basket (41), and the rotation assembly (5) is used to rotate the animal carcass; The rotating assembly (5) includes a driving gear ring (51), a driving ring (52) and a plurality of rotating pieces (53), wherein the driving gear ring (51) is rotatably mounted on a side of the placement basket (41) away from the console (3), and the driving ring (52) is rotatably mounted on the other end of the placement basket (41), and the plurality of rotating pieces (53) are annularly fixedly connected between the driving gear ring (51) and the driving ring (52); A driving assembly (6) is provided below the placement basket (41), and the driving assembly (6) is used to drive the rotating assembly (5) to rotate; The driving assembly (6) includes a rotating gear ring (61), a first driving gear (62) and a fixed ring (63); the rotating gear ring (61) is rotatably mounted between the driving gear ring (51) and the placement basket (41); the fixed ring (63) is fixedly connected to the driving gear ring (51) and the upper side of the placement basket (41) for connection and fixation; the first driving gear (62) is arranged at the bottom of the decomposition tank (1) and is meshed with the driving gear ring (51); The first driving gear (62) is installed at the bottom of the decomposition tank (1) through the control component (7). The control component (7) includes a driving motor (71), a control gear (72), a waterproof cover (73), two telescopic rods (74), a rotating rod (75) and a second driving gear (76). The driving motor (71) is fixedly connected to the bottom of the decomposition tank (1) through a placement frame. The control gear (72) is fixedly connected to the driving end of the driving motor (71). The two telescopic rods (74) are respectively fixedly connected to both sides of the bottom end of the decomposition tank (1). The two ends of the rotating rod (75) are respectively rotatably installed on the top of the two telescopic rods (74). The second driving gear (76) is fixedly connected to the rotating rod (75) and meshed with the control gear (72). The waterproof cover (73) is arranged on the outside of the second driving gear (76) and is sealed and rotatably connected to the rotating rod (75). The first driving gear (62) is sleeved on the rotating rod (75); A material guide arc plate (9) is provided at the bottom of the decomposition tank (1), and the material guide arc plate (9) is a semicircular arc plate. A material guide component (8) is provided on the rotating rod (75), and the material guide component (8) is used to guide the decomposed impurities; The material guide assembly (8) comprises a material guide spiral blade (81) and a guide box (82). The material guide spiral blade (81) is fixedly mounted on the rotating rod (75) and arranged inside the material guide arc plate (9). The guide box (82) is arranged on a side of the decomposition tank (1) close to the control console (3) and is in communication with the material guide plate.

2. The decomposition device for animal carcasses according to claim 1, characterized in that: The placement assembly (4) further comprises two slide rails (42), two sliding blocks (43) and a pull cover (44), wherein the pull cover (44) is fixedly connected to one end of the placement basket (41) close to the installation opening, the two slide rails (42) are symmetrically fixedly installed at the bottom of the decomposition tank (1), the two sliding blocks (43) are symmetrically fixedly connected to one side of the placement basket (41) away from the pull cover (44), and are slidably arranged inside the slide rails (42), and the slide rails (42) are arranged in an inverted U shape for moving impurities to the bottom of the decomposition tank (1).

3. The decomposition device for animal carcasses according to claim 1, characterized in that: The rotating piece (53) is a trapezoidal piece, with a short side fixedly connected to the driving gear ring (51) and the other end fixedly connected to the driving ring (52). The rotating piece (53) is tilted to form a truncated cone-shaped rotating wheel.

4. The decomposition device for animal carcasses according to claim 3, characterized in that: An ultrasonic probe (10) is fixedly connected to the side of the console (3) close to the placement basket (41), and a bayonet is provided on one side of the placement basket (41) close to the console (3), and the ultrasonic probe (10) is bayoneted inside the bayonet.

5. The decomposition device for animal carcasses according to claim 4, characterized in that: Two water pipes (11) are symmetrically fixedly installed on both sides of the decomposition tank (1), and a plurality of spray heads are fixedly connected to the water pipes (11) at equal intervals. Two mounting racks (12) are fixedly connected to the side of the control console (3) close to the placement basket (41), and the mounting racks (12) are located above the placement opening of the placement basket (41), and a plurality of spray heads are fixedly connected to the bottom of the mounting racks (12).

6. A decomposition method using the animal carcass decomposition device according to claims 1 to 5, characterized in that: The decomposition steps include: S1: placing the body to be decomposed into the placement basket (41), and then transferring the placement basket (41) into the decomposition tank (1) to prepare for decomposition; S2: The first stage: alkaline protease treatment. The activity of alkaline protease is controlled at 37-55℃ and pH value is controlled at 8-10 to ensure the highest activity. Alkaline protease is more active in an environment with low ionic strength. Alkaline protease can break down proteins into smaller peptides and amino acids, which are convenient for subsequent processing. S3: The second stage: alkaline lipase treatment, alkaline lipase can break down fat and convert it into substances that are more easily bioavailable. At this time, the activity is highest when the temperature is maintained at around 37-55℃ and the pH value is controlled in the range of 8-11 to ensure the highest activity; S4: The third stage: saponification reaction, through which fat and alkali react to produce higher fatty acid salts and glycerol, is an important step in the biodegradation process. The higher fatty acid salts and glycerol produced by saponification can improve biodegradability, making the biodegraded substances more easily absorbed by the environment; S5: The fourth stage: mixture treatment, through chemical reactions, the harmful substances in the mixture are converted into harmless substances to reduce environmental pollution; S6: The fifth stage: Inorganic bone processing, using chemicals to dissolve or decompose bones and convert them into inorganic matter; S7: During the entire processing stage, the rotating assembly (5) is controlled to rotate by the driving motor (71), thereby driving the animal carcass placed inside the rotating assembly (5) to rotate, thereby improving the decomposition efficiency, and at the same time, the decomposition is accelerated by opening the ultrasonic probe (10).

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