Vacuum spraying machine for pet feed

Abstract

The utility model provides a pet feed vacuum spraying machine which comprises a processing tank, a stirring assembly is arranged in the processing tank, a spraying assembly is arranged at the upper end of a sealing tank cover, and in the pet feed processing process, a low-speed motor drives a transmission vertical rod to rotate reversely through a driving bevel gear and a driven bevel gear; a transmission vertical rod can drive a spraying bent rod, a stirring cross rod and a stirring vertical rod to rotate together so as to stir pet feed in the processing tank, meanwhile, the transmission vertical rod can also drive an auger to rotate reversely together so that the pet feed at the bottom of the processing tank can be continuously conveyed upwards to be turned over, and meanwhile, a butterfly valve is opened; at the moment, the vacuum adsorption force in the processing tank enables the liquid trace elements in the liquid storage tank to sequentially pass through a liquid guide elbow, a falling guide cavity, a communicating cavity and a plurality of spray heads to be outwards sprayed on the surface of the surrounding pet feed; in addition, the rotating spraying bent rod can enable the multiple spraying heads to rotate together to fully spray the needed liquid microelements to the pet feed in the processing tank.

Description

Technical Field

[0001] The utility model relates to the technical field of pet feed processing, in particular to a pet feed vacuum spraying machine. Background Art

[0002] Pet feed refers to products that are industrially processed and produced for direct consumption by pets, also known as pet food, including pet compound feed, pet additive premix feed and other pet feed. When processing pet feed, in order to increase the content of trace elements, it is necessary to spray the trace elements on the feed and use the negative pressure formed by the vacuum. When it returns to atmospheric pressure, the trace elements on the surface can be infiltrated into the inside of the feed with the help of air pressure, which requires the use of feed vacuum spraying equipment.

[0003] Publication number "CN208490804U" provides a vacuum spraying system for feed. Feed particles enter the tank through the feed port, and the feed port is closed and sealed. Next, the vacuum system starts to operate to evacuate the air inside the tank. The air passes through the water vapor separation device and the vacuum pump in the vacuum system in turn, and the water vapor in the air is separated, and then the air is discharged out of the vacuum system. Then, the auger starts to operate and drives the feed particles at the bottom of the tank to be transported upward. When the feed particles pass over the baffle, the nozzle sprays grease and covers the surface of the feed particles. Then the feed particles fall under the action of gravity. The above process is repeated many times to ensure that the feed particles and grease are evenly mixed. Then the vacuum system operates again and pumps air into the tank. The air pressure difference is used to press the grease on the surface of the sprayed feed into the feed particles.

[0004] However, the above technical solutions and the prior art have the following defects:

[0005] Although the vacuum spraying system can use the auger to drive the feed particles at the bottom of the tank to be transported upward and the grease sprayed from the nozzle covers the surface of the feed particles, this spraying method cannot evenly spray grease on the feed inside the tank in a short time during actual use. It takes a long time to repeatedly transport the feed upward to spray grease on all the feed inside the tank. The spraying efficiency needs to be improved. Utility Model Content

[0006] The purpose of the utility model is to provide a pet food vacuum sprayer to solve the problems raised in the above background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A pet feed vacuum sprayer comprises a processing tank, supporting legs, a discharge valve, a sealed tank cover, a feeding hopper, a feed valve, a vacuum pump and an air suction pipe, wherein the bottom of the processing tank is fixedly connected to the supporting legs, the upper end face of the processing tank is installed with a sealed tank cover, the middle position of the bottom of the processing tank is installed with a discharge valve, the left side of the upper end face of the sealed tank cover is installed with a feed hopper is installed on the upper end of the feed valve, a stirring assembly is arranged inside the processing tank, and the stirring assembly is used to stir the pet feed inside the processing tank, a spraying assembly is arranged on the upper end of the sealed tank cover, and the spraying assembly is used to spray the required liquid trace elements on the pet feed inside the processing tank, a vacuum pump is installed on the right side of the annular side face of the processing tank, and the inlet of the vacuum pump is connected to the air suction pipe.

[0009] Preferably, the stirring assembly includes a low-speed motor, a transmission vertical rod, an auger, a stirring cross rod, a stirring vertical rod, a driven bevel gear and a driving bevel gear. A low-speed motor is installed on the right side of the upper end face of the sealed tank cover, a driving bevel gear is installed on the left end of the low-speed motor, a driven bevel gear is meshed on the lower side of the annular side of the driving bevel gear, a transmission vertical rod is installed in the middle position inside the sealed tank cover, a stirring cross rod is arranged on the right side of the annular side of the transmission vertical rod, stirring vertical rods are symmetrically arranged on the upper and lower sides of the annular side of the stirring cross rod, and an auger is connected to the bottom of the transmission vertical rod.

[0010] Preferably, the spray assembly includes a protective cover, a liquid storage tank, a butterfly valve, a liquid guide elbow, a guide cavity, a connecting cavity, a nozzle and a spray bent rod. A guide cavity is opened on the upper side of the transmission vertical rod, a spray bent rod is arranged on the left side of the annular side of the transmission vertical rod, a connecting cavity is opened inside the spray bent rod, and the connecting cavity is connected with the guide cavity, a plurality of nozzles are arranged on the annular side of the spray bent rod, a protective cover is installed on the upper end face of the sealing tank cover, a liquid storage tank is fixedly connected to the upper end face of the protective cover, an outlet of the liquid storage tank is connected to a butterfly valve, an outlet of the butterfly valve is connected to the liquid guide elbow, and the liquid guide elbow is connected with the guide cavity.

[0011] Preferably, a second vacuum relief valve is installed on the left side of the upper end surface of the liquid storage tank, a liquid replenishing valve is installed on the right side of the upper end surface of the liquid storage tank, and a first mechanical seal is installed on the upper end of the transmission vertical rod, and the first mechanical seal matches the liquid guiding elbow.

[0012] Preferably, a limiting ring is provided on the upper side of the annular side surface of the transmission vertical rod, an annular retaining cover is installed at the middle position of the upper end surface of the sealing tank cover, a second mechanical seal is installed on the upper side of the inner wall of the sealing tank cover, and the second mechanical seal matches the transmission vertical rod.

[0013] Preferably, a first vacuum pressure relief valve is installed on the left side of the annular side surface of the processing tank, and a vacuum pressure gauge is installed on the left side of the upper end surface of the sealing tank cover.

[0014] Preferably, the auger matches the bottom outlet of the processing tank, and a plurality of vertical stirring rods are provided, and the plurality of vertical stirring rods have the same specifications, and the plurality of vertical stirring rods are arranged at equal distances.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. During the processing of pet feed, the low-speed motor drives the transmission vertical rod to reverse through the active bevel gear and the driven bevel gear, so that the transmission vertical rod can drive the spraying curved rod, the stirring horizontal rod and the stirring vertical rod to rotate together to stir the pet feed inside the processing tank. At the same time, the transmission vertical rod will also drive the auger to reverse together to continuously transport the pet feed at the bottom of the processing tank upward for flipping. When the low-speed motor is controlled to rotate forward and the discharge valve is opened, the forward-rotating auger can discharge the pet feed at the bottom of the processing tank downward to the outside, avoiding the processing tank from being easily blocked during the discharge process;

[0017] 2. By opening the butterfly valve, the vacuum adsorption force inside the processing tank will cause the liquid trace elements inside the liquid storage tank to be sprayed outward on the surrounding pet food surface through the liquid guide elbow, the guide cavity, the connecting cavity and multiple nozzles in turn, and the rotating spraying bent rod can make the multiple nozzles rotate together to fully spray the required liquid trace elements on the pet food inside the processing tank, so that the liquid trace elements can be evenly sprayed on the pet food inside the processing tank in a short time, thereby improving the spraying efficiency of this equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 It is a front cross-sectional view of the stirring component and the spraying component in the utility model;

[0020] Figure 3 It is a rear view of the utility model;

[0021] Figure 4 It is a partial structural diagram of the stirring component and the spraying component in the utility model;

[0022] Figure 5 for Figure 2 A partial enlarged view of .

[0023] In the figure: 1. processing tank; 11. first vacuum pressure relief valve; 2. supporting leg; 3. discharge valve; 4. stirring assembly; 41. low-speed motor; 42. transmission vertical rod; 421. limit ring; 422. first mechanical seal; 423. annular cover; 43. auger; 44. stirring cross bar; 45. stirring vertical rod; 46. driven bevel gear; 47. driving bevel gear; 5. sealed tank cover; 51. vacuum pressure gauge; 52. second mechanical seal; 6. spray assembly; 61. protective cover; 62. liquid storage tank; 621. liquid replenishing valve; 622. second vacuum pressure relief valve; 63. butterfly valve; 64. liquid guiding elbow; 65. guiding cavity; 66. connecting cavity; 67. nozzle; 68. spray bending rod; 7. feeding hopper; 8. feeding valve; 9. vacuum pump; 10. suction pipe. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-5 , the utility model provides a technical solution:

[0026] Embodiment 1:

[0027] A pet feed vacuum sprayer comprises a processing tank 1, a support leg 2, a discharge valve 3, a sealed tank cover 5, a feeding hopper 7, a feed valve 8, a vacuum pump 9 and an air suction pipe 10. The bottom of the processing tank 1 is fixedly connected to the support leg 2, and the bottom of the support leg 2 is fixed to the external ground by an expansion bolt. The support leg 2 can support and fix the processing tank 1. The upper end surface of the processing tank 1 is installed with a sealed tank cover 5, and the sealed tank cover 5 can block the top of the processing tank 1. A discharge valve 3 is installed in the middle of the bottom of the processing tank 1, and the discharge valve 3 is made of an electric knife-type gate. Valve, the discharge valve 3 made of an electric knife-type gate valve is convenient for the staff to control the on-off of the discharge port at the bottom of the processing tank 1. A feed valve 8 is installed on the left side of the upper end face of the sealed tank cover 5. The feed valve 8 is made of a knife gate valve. The feed made of the knife gate valve is convenient for the staff to control the on-off of the bottom of the feeding hopper 7. A feeding hopper 7 is installed on the upper end of the feed valve 8. The feeding hopper 7 is convenient for the staff to put an appropriate amount of pet feed into the processing tank 1. A first observation window is arranged on the upper side of the front end face of the processing tank 1. The first observation window is convenient for the staff to observe the internal situation of the processing tank 1 in real time.

[0028] A first vacuum pressure relief valve 11 is installed on the left side of the annular side of the processing tank 1. The first vacuum pressure relief valve 11 prevents the processing tank 1 from being deflated when being evacuated. A vacuum pressure gauge 51 is installed on the left side of the upper end surface of the sealed tank cover 5. The vacuum pressure gauge 51 can display the vacuum pressure inside the processing tank 1 in real time for the staff to observe. A stirring component 4 is arranged inside the processing tank 1, and the stirring component 4 is used to stir the pet food inside the processing tank 1. A spraying component 6 is arranged on the upper end of the sealed tank cover 5, and the spraying component 6 is used to spray the required liquid trace elements on the pet food inside the processing tank 1. A vacuum pump 9 is installed on the right side of the annular side of the processing tank 1. The inlet of the vacuum pump 9 is connected to the suction pipe 10. The suction pipe 10 is connected to the processing tank 1 by welding. When the vacuum pump 9 is working, it can evacuate the inside of the processing tank 1 through the suction pipe 10. A valve is installed between the vacuum pump 9 and the suction pipe 10. The valve facilitates the staff to control the on and off between the vacuum pump 9 and the suction pipe 10.

[0029] The stirring assembly 4 includes a low-speed motor 41, a transmission vertical rod 42, a screw dragon 43, a stirring cross rod 44, a stirring vertical rod 45, a driven bevel gear 46 and a driving bevel gear 47. The low-speed motor 41 is installed on the right side of the upper end surface of the sealed tank cover 5. The low-speed motor 41 can drive the driving bevel gear 47 to rotate at a low speed when working. The driving bevel gear 47 is installed on the left end of the low-speed motor 41. The driving bevel gear 47 can drive the driven bevel gear 46 to rotate. The driven bevel gear 46 is meshed with the lower side of the annular side of the driving bevel gear 47. The driven bevel gear 46 can The transmission vertical rod 42 is capable of driving the rotation. The transmission vertical rod 42 is installed at the middle position inside the sealed tank cover 5. The transmission vertical rod 42 is connected to the driven bevel gear 46, the limit ring 421, the spraying curved rod 68, the auger 43 and the stirring cross rod 44 by welding. The transmission vertical rod 42 can drive the spraying curved rod 68, the auger 43 and the stirring cross rod 44 to rotate. A stirring cross rod 44 is arranged on the right side of the annular side of the transmission vertical rod 42. The stirring cross rod 44 can not only stir the pet feed inside the processing tank 1, but also drive the stirring vertical rod 45 to rotate.

[0030] A stirring vertical rod 45 is symmetrically arranged on the upper and lower sides of the annular side surface of the stirring cross bar 44. There are multiple stirring vertical rods 45, and the multiple stirring vertical rods 45 have the same specifications. The multiple stirring vertical rods 45 are equidistantly arranged. The multiple stirring vertical rods 45 can increase the stirring range of the stirring cross bar 44. A screw dragon 43 is connected to the bottom of the transmission vertical rod 42, and the screw dragon 43 matches the bottom outlet of the processing tank 1. The screw dragon 43 can drive the pet feed at the bottom of the processing tank 1 to be transported and flipped upward when reversing, and can discharge the pet feed at the bottom of the processing tank 1 downward when rotating forward. A limiting ring 421 is arranged on the upper side of the annular side surface of the transmission vertical rod 42, and an annular stop cover 423 is installed at the middle position of the upper end surface of the sealing tank cover 5. The limiting ring 421 and the annular stop cover 423 prevent the transmission vertical rod 42 from being displaced or shaking during rotation and use. A second mechanical seal 52 is installed on the upper side of the inner wall of the sealing tank cover 5, and the second mechanical seal 52 matches the transmission vertical rod 42. The second mechanical seal 52 makes the transmission vertical rod 42 and the sealing tank cover 5 more sealed.

[0031] Embodiment 2:

[0032] On the basis of the first embodiment, in this embodiment, by opening the butterfly valve 63, the vacuum adsorption force inside the processing tank 1 will cause the liquid trace elements inside the liquid storage tank 62 to be sprayed outward on the surrounding pet food surface through the liquid guide elbow 64, the guide cavity 65, the connecting cavity 66 and the multiple nozzles 67 in sequence, and the rotating spraying bent rod 68 can make the multiple nozzles 67 rotate together to fully spray the required liquid trace elements on the pet food inside the processing tank 1, so that the liquid trace elements can be evenly sprayed on the pet food inside the processing tank 1 in a short time.

[0033] The spraying assembly 6 includes a protective cover 61, a liquid storage tank 62, a butterfly valve 63, a liquid guiding elbow 64, a guiding cavity 65, a connecting cavity 66, a nozzle 67 and a spraying curved rod 68. The guiding cavity 65 is provided on the upper side of the transmission vertical rod 42. The guiding cavity 65 can guide the liquid trace elements in the liquid guiding elbow 64 into the connecting cavity 66. The spraying curved rod 68 is provided on the left side of the annular side of the transmission vertical rod 42. The spraying curved rod 68 can not only support multiple nozzles 67, but also stir the pet feed inside the processing tank 1 when rotating. The connecting cavity 66 is provided inside the spraying curved rod 68, and the connecting cavity 66 is provided inside the spraying curved rod 68. The cavity 66 is connected with the guide cavity 65, and the connecting cavity 66 is connected with multiple nozzles 67. The connecting cavity 66 facilitates the introduction of liquid trace elements in the guide cavity 65 into multiple nozzles 67. Multiple nozzles 67 are arranged on the annular side of the spraying curved rod 68. The multiple nozzles 67 have the same specifications. The nozzles 67 are connected to the spraying curved rod 68 by welding. The multiple nozzles 67 can spray the liquid trace elements in the connecting cavity 66 outward so as to spray the required trace elements on the surrounding pet feed. The inner diameter of the nozzle 67 is smaller than the diameter of the pet feed particles. This design prevents the pet feed from easily entering the inside of the nozzle 67.

[0034] A protective cover 61 is installed on the upper end surface of the sealed tank cover 5. The protective cover 61 can not only support the liquid storage tank 62, but also protect the low-speed motor 41, the active bevel gear 47 and the driven bevel gear 46. The upper end surface of the protective cover 61 is fixedly connected with the liquid storage tank 62. The liquid storage tank 62 can store a certain amount of liquid trace elements. The outlet of the liquid storage tank 62 is connected with a butterfly valve 63. The butterfly valve 63 facilitates the staff to control the on-off of the liquid trace elements flowing into the liquid guide elbow 64. The outlet of the butterfly valve 63 is connected with the liquid guide elbow 64, and the liquid guide elbow 64 is connected with the guide cavity 65. The liquid guide elbow 64 can guide the liquid trace elements discharged by the butterfly valve 63 into the guide cavity 65. A second vacuum pressure relief valve 622 is installed on the left side of the upper end surface of the liquid storage tank 62. The second vacuum pressure relief valve 622 In order to prevent the liquid storage tank 62 from being deflated, a liquid replenishing valve 621 is installed on the right side of the upper end surface of the liquid storage tank 62. The inlet of the liquid replenishing valve 621 is connected to the outlet of the external liquid trace element storage tank through a pipeline. When the liquid replenishing valve 621 is opened, the required amount of liquid trace elements can be replenished into the liquid storage tank 62. A first mechanical seal 422 is installed on the upper end of the transmission vertical rod 42, and the first mechanical seal 422 is matched with the liquid guiding elbow 64. The first mechanical seal 422 makes the sealing between the liquid guiding elbow 64 and the transmission vertical rod 42 better. The inner wall of the liquid storage tank 62 is provided with liquid level scale lines. The liquid level scale lines are convenient for the staff to observe the amount of liquid trace elements inside the liquid storage tank 62. A second observation window is provided on the upper side of the front end surface of the liquid storage tank 62. The second observation window is convenient for the staff to observe the internal situation of the liquid storage tank 62 in real time.

[0035] Working principle: The staff first opens the feed valve 8 and pours the required amount of pet food into the processing tank 1 through the feeding hopper 7. During this process, the height of the pet food entering the processing tank 1 cannot exceed the maximum material level line ( Figure 5), after the feeding is completed, the feed valve 8 can be closed and the vacuum pump 9 can be started to work, so that the vacuum pump 9 can evacuate the processing tank 1 through the suction pipe 10. During this process, the vacuum pressure gauge 51 will display the vacuum pressure inside the processing tank 1 in real time. When the vacuum pressure inside the processing tank 1 reaches the required value, the vacuum pump 9 can be closed; then the low-speed motor 41 can be started to reverse, so that the low-speed motor 41 drives the transmission vertical rod 42 to reverse through the active bevel gear 47 and the driven bevel gear 46, and the transmission vertical rod 42 will drive the spraying curved rod 68, the stirring cross rod 44 and the stirring vertical rod 45 to rotate together to stir the pet feed inside the processing tank 1, and at the same time, the transmission vertical rod 42 will also drive the auger 43 to reverse together, so that the reversed auger 43 will transport the pet feed at the bottom of the processing tank 1 upward for flipping; at the same time, open the liquid replenishing valve 621 to replenish the required amount of liquid trace elements into the liquid storage tank 62, and then open the butterfly valve 63. At this time, the vacuum adsorption force inside the processing tank 1 will pass through the nozzle 6 in sequence. 7. The connecting cavity 66, the guide cavity 65 and the liquid guiding elbow 64 suck the liquid trace elements in the liquid storage tank 62, so that the liquid trace elements in the liquid storage tank 62 are sprayed outward on the surrounding pet food surface through the liquid guiding elbow 64, the guide cavity 65, the connecting cavity 66 and the multiple nozzles 67 in sequence, and the rotating spraying bent rod 68 can make the multiple nozzles 67 rotate together to fully spray the required liquid trace elements on the pet food in the processing tank 1; when the liquid trace raw materials in the liquid storage tank 62 are completely After all of the pet food flows out, the butterfly valve 63 can be closed. When the pet feed in the processing tank 1 is stirred to the desired state, the feed valve 8 is opened to restore the pressure inside the processing tank 1 to normal. At this time, the trace elements sprayed on the surface of the pet feed can be pressed into the pet feed particles by the air pressure difference. Then, the discharge valve 3 is opened and the low-speed motor 41 is controlled to rotate forward, so that the forward-rotating auger 43 can discharge the pet feed at the bottom of the processing tank 1 downward to the outside, thereby avoiding the processing tank 1 from being easily blocked during the discharge process.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pet feed vacuum sprayer, comprising a processing tank (1), a support leg (2), a discharge valve (3), a sealed tank cover (5), a feeding hopper (7), a feed valve (8), a vacuum pump (9) and an air suction pipe (10), characterized in that: The bottom of the processing tank (1) is fixedly connected to a supporting leg (2); the upper end surface of the processing tank (1) is provided with a sealed tank cover (5); a discharge valve (3) is provided at the middle position of the bottom of the processing tank (1); a feed valve (8) is provided on the left side of the upper end surface of the sealed tank cover (5); and a feeding hopper (7) is provided at the upper end of the feed valve (8); The processing tank (1) is provided with a stirring assembly (4) inside, and the stirring assembly (4) is used to stir the pet food inside the processing tank (1); the upper end of the sealed tank cover (5) is provided with a spraying assembly (6), and the spraying assembly (6) is used to spray the required liquid trace elements on the pet food inside the processing tank (1); a vacuum pump (9) is installed on the right side of the annular side of the processing tank (1), and the inlet of the vacuum pump (9) is connected to an air intake pipe (10).

2. The pet food vacuum sprayer according to claim 1, characterized in that: The stirring assembly (4) comprises a low-speed motor (41), a transmission vertical rod (42), an auger (43), a stirring cross rod (44), a stirring vertical rod (45), a driven bevel gear (46) and a driving bevel gear (47). The low-speed motor (41) is installed on the right side of the upper end surface of the sealed tank cover (5), the driving bevel gear (47) is installed on the left end of the low-speed motor (41), the driven bevel gear (46) is meshed on the lower side of the annular side surface of the driving bevel gear (47), the transmission vertical rod (42) is installed at the middle position inside the sealed tank cover (5), the stirring cross rod (44) is arranged on the right side of the annular side surface of the transmission vertical rod (42), the stirring vertical rods (45) are symmetrically arranged on the upper and lower sides of the annular side surface of the stirring cross rod (44), and the bottom of the transmission vertical rod (42) is connected to the auger (43).

3. The pet food vacuum sprayer according to claim 2, characterized in that: The spraying assembly (6) comprises a protective cover (61), a liquid storage tank (62), a butterfly valve (63), a liquid guiding elbow (64), a guiding cavity (65), a connecting cavity (66), a spray head (67) and a spraying curved rod (68). The guiding cavity (65) is provided on the upper side of the transmission vertical rod (42). The spraying curved rod (68) is provided on the left side of the annular side surface of the transmission vertical rod (42). The connecting cavity (66) is provided on the inside of the spraying curved rod (68). The cavity (66) is connected with the guide cavity (65); a plurality of spray heads (67) are arranged on the annular side surface of the spray curved rod (68); a protective cover (61) is installed on the upper end surface of the sealed tank cover (5); a liquid storage tank (62) is fixedly connected to the upper end surface of the protective cover (61); an outlet of the liquid storage tank (62) is connected with a butterfly valve (63); an outlet of the butterfly valve (63) is connected with a liquid guide curved pipe (64); and the liquid guide curved pipe (64) is connected with the guide cavity (65).

4. The pet food vacuum sprayer according to claim 3, characterized in that: A second vacuum pressure relief valve (622) is installed on the left side of the upper end surface of the liquid storage tank (62), a liquid replenishing valve (621) is installed on the right side of the upper end surface of the liquid storage tank (62), and a first mechanical seal (422) is installed on the upper end of the transmission vertical rod (42), and the first mechanical seal (422) matches the liquid guiding elbow (64).

5. The pet food vacuum sprayer according to claim 2, characterized in that: A limiting ring (421) is arranged on the upper side of the annular side surface of the transmission vertical rod (42), an annular stop cover (423) is installed at the middle position of the upper end surface of the sealing tank cover (5), and a second mechanical seal (52) is installed on the upper side of the inner wall of the sealing tank cover (5), and the second mechanical seal (52) matches the transmission vertical rod (42).

6. The pet food vacuum sprayer according to claim 1, characterized in that: A first vacuum pressure relief valve (11) is installed on the left side of the annular side surface of the processing tank (1), and a vacuum pressure gauge (51) is installed on the left side of the upper end surface of the sealing tank cover (5).

7. The pet food vacuum sprayer according to claim 2, characterized in that: The auger (43) matches the bottom outlet of the processing tank (1), and a plurality of vertical stirring rods (45) are provided, and the plurality of vertical stirring rods (45) have the same specifications, and the plurality of vertical stirring rods (45) are arranged at equal distances.

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