Innocent treatment device for food inspection waste liquid

Abstract

The invention provides a food inspection waste liquid harmless treatment device, and relates to the technical field of waste water treatment equipment. Two stirring rods are rotationally mounted on the inner side of each of the main neutralization reaction tank and the extended neutralization reaction tank through stirring brackets; a transfer pipe is welded at the bottom of the right side of the main neutralization reaction tank; two electric cylinders are fixedly mounted on the outer side of the transfer pipe, and a water outlet baffle is welded to the left end of each electric cylinder; a microbiological treatment tank is fixed at the bottom of the right end of the transfer pipe, and a microbiological filler plate is mounted on the inner side of the microbiological treatment tank; an activated carbon adsorption bracket is rotationally mounted on the transfer pipe, and two activated carbon filter plates are mounted on the inner side of the activated carbon adsorption bracket; and a positioning frame is further mounted at the top of the transfer pipe in a sliding manner. When the device is used for treating waste liquid, the capacity can be expanded, the occupied area is not influenced, the device is more convenient to use and operate during later maintenance, and the treatment efficiency can be ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of wastewater treatment equipment, in particular to a device for harmless treatment of food inspection waste liquid. Background Art

[0002] There are many types of waste liquids generated during the food inspection process, including organic waste liquid, inorganic waste liquid, biological waste liquid and radioactive waste liquid. If these waste liquids are not properly treated, they will cause serious pollution to the environment, affect the ecological balance and human health, so it is necessary to use waste liquid treatment equipment to treat them harmlessly.

[0003] At present, chemical, physical and biological methods are mostly used for waste liquid treatment. Among them, chemical methods, such as acid-base neutralization reaction tanks, are usually fixed-sized tanks. Because the neutralizer and waste liquid need to be stirred, the capacity cannot be expanded, and large-sized reaction tanks will take up too much area. Physical methods, such as activated carbon adsorption, but current treatment devices often install activated carbon plates inside the shell. The activated carbon plates will become clogged after a period of use and need to be replaced. However, the treatment needs to be suspended during replacement, and the shell of the treatment device must be disassembled before the activated carbon plates can be replaced. Later maintenance is inconvenient and affects the treatment efficiency. Summary of the Invention

[0004] The present invention provides a harmless treatment device for food inspection waste liquid, which can expand the capacity when treating the waste liquid without affecting the floor area, is more convenient to use, is more convenient to operate during later maintenance, and can ensure treatment efficiency.

[0005] In a first aspect, the present invention provides a device for harmless treatment of food inspection waste liquid, specifically comprising: a main neutralization reaction tank; A base is welded to the bottom of the main neutralization reaction tank, and two motors are also installed at the bottom of the main neutralization reaction tank through a bracket, and an extended neutralization reaction tank is installed on the top of the main neutralization reaction tank; two stirring rods are rotatably installed on the inner sides of the main neutralization reaction tank and the extended neutralization reaction tank through a stirring bracket, and the bottom ends of the stirring rods on the inner side of the main neutralization reaction tank are fixedly connected to the top end of the main shaft of the motor; a transfer pipe is welded to the bottom right side of the main neutralization reaction tank; two electric cylinders are fixedly installed on the outer side of the transfer pipe, and a water outlet baffle is welded to the left end of each electric cylinder; a microbial treatment tank is fixed to the bottom right end of the transfer pipe, and a microbial filler plate is installed on the inner side of the microbial treatment tank; an activated carbon adsorption bracket is rotatably installed on the transfer pipe, and two activated carbon filter plates are installed on the inner side of the activated carbon adsorption bracket; a positioning frame is also slidably installed on the top of the transfer pipe.

[0006] In at least some embodiments, the right side portion of the transfer tube is a semicircular tube, the activated carbon adsorption bracket is a cylindrical frame, an arc-shaped groove corresponding to the activated carbon adsorption bracket is provided on the inner wall of the transfer tube, and the outer wall of the lower portion of the activated carbon adsorption bracket is located in the arc-shaped groove on the inner wall of the transfer tube.

[0007] In at least some embodiments, the activated carbon adsorption bracket is provided with eight fan-shaped openings on both sides, the inner side of the top and the inner side of the bottom of the activated carbon adsorption bracket is provided with a fan-shaped opening groove, and the activated carbon filter plate is also a fan-shaped plate and has the same size as the fan-shaped opening groove on the inner side of the activated carbon adsorption bracket.

[0008] In at least some embodiments, the top end of the stirring rod inside the main neutralization reaction tank and the top end of the stirring rod inside the extended neutralization reaction tank are both provided with a hexagonal protrusion, and the bottom end of the stirring rod inside the extended neutralization reaction tank is provided with a corresponding hexagonal groove.

[0009] In at least some embodiments, two circular holes are symmetrically provided on the right side of the activated carbon adsorption bracket. When the positioning bracket slides to the leftmost side, the left ends of the two round rods on its left side will be inserted into the circular holes on the right side of the activated carbon adsorption bracket, and the spring on the right side of the positioning bracket can push it to slide to the left.

[0010] In at least some embodiments, two independent rectangular grooves are provided on the inner sides of the main neutralization reaction tank and the extended neutralization reaction tank. After the main neutralization reaction tank and the extended neutralization reaction tank are assembled, the hexagonal protrusion at the top of the lower stirring rod will be engaged with the hexagonal groove at the bottom end of the upper stirring rod.

[0011] In at least some embodiments, the top surfaces of the main neutralization reaction tank and the extended neutralization reaction tank, as well as the bottom surface of the extended neutralization reaction tank, are wrapped with a layer of rubber, a rectangular frame is welded on the inner wall of the microbial treatment tank, and a microbial filler plate is installed on the top of the rectangular frame.

[0012] In at least some embodiments, two rectangular openings are provided at the bottom of the right outer wall of the main neutralization reaction tank, the outer side of the water outlet baffle is wrapped with rubber, and when the electric cylinder pushes the water outlet baffle to move to the far left, the water outlet baffle will close the rectangular opening on the right outer wall of the main neutralization reaction tank.

[0013] The present invention provides a device for harmless treatment of food inspection waste liquid, which has the following beneficial effects: The main neutralization reaction tank and the extended neutralization reaction tank in the present invention can perform acid-base neutralization reaction treatment on waste liquid. The extended neutralization reaction tank can be installed according to needs, and multiple installations can be stacked. After the extended neutralization reaction tank is installed, the stirring rod inside it can also be automatically locked with the stirring rod below to ensure that it can play a stirring role. The capacity can be expanded when treating waste liquid without affecting the floor space, making it more convenient to use.

[0014] In addition, the activated carbon filter plate is installed on the inside of the rotatable activated carbon adsorption bracket. When the activated carbon filter plate needs to be replaced, it is only necessary to rotate the activated carbon adsorption bracket 180°. The waste liquid can still be filtered during the rotation process, and then the activated carbon filter plate can be disassembled and replaced. The shell of the treatment device does not need to be disassembled during replacement, which makes the operation more convenient during later maintenance and can ensure the treatment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments are briefly introduced below.

[0016] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0017] In the attached figure: Figure 1 A schematic diagram showing the main shaft side of the overall structure of the present invention is shown; Figure 2 The figure shows an axial schematic diagram of the main neutralization reaction tank and the extended neutralization reaction tank after being separated in the present invention; Figure 3 The figure shows an axial schematic diagram of the main neutralization reaction tank and the extended neutralization reaction tank after being cut off in the present invention; Figure 4 Shows a schematic structural diagram of the stirring rod in the present invention; Figure 5 A schematic diagram of the structure of the left side of the transfer tube in the present invention is shown; Figure 6 The figure shows the structure of the transfer tube and the activated carbon adsorption bracket in the present invention; Figure 7 The figure shows a schematic structural diagram of the right side of the transfer tube in the present invention after being cut away; Figure 8 A schematic diagram of the structure of a microbial treatment tank in a partially cutaway state of the present invention is shown; Reference Signs List 1. Main neutralization reaction tank; 2. Base; 3. Extended neutralization reaction tank; 4. Motor; 5. Stirring bracket; 6. Stirring rod; 7. Transfer pipe; 8. Electric cylinder; 9. Water outlet baffle; 10. Microbial treatment tank; 11. Activated carbon adsorption bracket; 12. Activated carbon filter plate; 13. Positioning frame; 14. Microbial filler plate. DETAILED DESCRIPTION

[0018] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Example 1: Please refer to Figures 1 to 8 : The present invention proposes a harmless treatment device for food inspection waste liquid, comprising: a main neutralization reaction tank 1; A base 2 is welded to the bottom of the main neutralization reaction tank 1. Two motors 4 are installed at the bottom of the main neutralization reaction tank 1 through a bracket. An extended neutralization reaction tank 3 is installed on the top of the main neutralization reaction tank 1. The main neutralization reaction tank 1 and the extended neutralization reaction tank 3 are used to store waste liquid and can neutralize the waste liquid. The base 2 is used to support the main neutralization reaction tank 1, and the motor 4 is used to drive the stirring rod 6 to rotate; the inside of the main neutralization reaction tank 1 and the extended neutralization reaction tank 3 are both rotatably installed with two stirring rods 6 through a stirring bracket 5, and the main neutralization reaction The bottom end of the stirring rod 6 inside the tank 1 is fixedly connected to the top of the main shaft of the motor 4, and the stirring bracket 5 is used to support the rotation of the stirring rod 6. When the stirring rod 6 rotates, the stirring teeth on the outside can fully and evenly stir the waste liquid and the neutralizer, so that the waste liquid can be treated in the first step; a transfer pipe 7 is welded to the bottom of the right side of the main neutralization reaction tank 1. The transfer pipe 7 is used to discharge the waste liquid in the main neutralization reaction tank 1 to the outside, and the transfer pipe 7 can also support the activated carbon adsorption bracket 11; two electric cylinders 8 are fixedly installed on the outside of the transfer pipe 7, and the electric cylinder 8 A water outlet baffle 9 is welded to the left end. The electric cylinder 8 can adjust the position of the water outlet baffle 9 when it is extended and retracted. When the water outlet baffle 9 moves to the leftmost side, it can close the rectangular opening on the right outer wall of the main neutralization reaction tank 1; a microbial treatment tank 10 is fixed to the bottom of the right end of the transfer pipe 7, and a microbial filler plate 14 is installed inside the microbial treatment tank 10. During the treatment process, the waste liquid will flow into the inside of the microbial treatment tank 10 and flow downward through the microbial filler plate 14. In this process, the waste liquid will come into contact with the microorganisms on the microbial filler plate 14. , so that the organic matter and toxic substances in the waste liquid can be treated; an activated carbon adsorption bracket 11 is rotatably installed on the transfer pipe 7, and two activated carbon filter plates 12 are installed on the inner side of the activated carbon adsorption bracket 11. The activated carbon adsorption bracket 11 is used to support the activated carbon filter plates 12, and the activated carbon filter plates 12 are used to adsorb pollutants such as organic matter, heavy metal ions, pigments, and odor substances in the waste liquid; a positioning frame 13 is also slidably installed on the top of the transfer pipe 7, and the positioning frame 13 is used to lock the state of the activated carbon adsorption bracket 11.

[0020] In the embodiment of the present disclosure, Figure 6 and Figure 7 As shown, the right side of the transfer tube 7 is a semicircular tube, and the activated carbon adsorption bracket 11 is a cylindrical frame. An arc groove corresponding to the activated carbon adsorption bracket 11 is provided on the inner wall of the transfer tube 7, and the outer wall of the lower part of the activated carbon adsorption bracket 11 is located in the arc groove on the inner wall of the transfer tube 7. Therefore, the inner wall of the transfer tube 7 can fit with the outer wall of the activated carbon adsorption bracket 11 without dead angles, ensuring that the waste liquid in the transfer tube 7 can evenly contact the activated carbon filter plate 12 inside the activated carbon adsorption bracket 11 when flowing to the right.

[0021] In the embodiment of the present disclosure, Figure 6 and Figure 7 As shown, eight fan-shaped openings are provided on the left and right sides of the activated carbon adsorption bracket 11, and a fan-shaped opening groove is provided on the inner side of the top and the inner side of the bottom of the activated carbon adsorption bracket 11. The activated carbon filter plate 12 is also a fan-shaped plate and has the same size as the fan-shaped opening groove on the inner side of the activated carbon adsorption bracket 11. The fan-shaped opening grooves on the inner side of the top and the inner side of the bottom of the activated carbon adsorption bracket 11 are used to install the activated carbon filter plate 12, and the activated carbon filter plate 12 will not shake after installation. The fan-shaped openings on the left and right sides of the activated carbon adsorption bracket 11 can allow the waste liquid to flow.

[0022] In the embodiment of the present disclosure, Figures 1-4 As shown, the top of the stirring rod 6 inside the main neutralization reaction tank 1 and the top of the stirring rod 6 inside the extended neutralization reaction tank 3 are both provided with a hexagonal protrusion block, and the bottom end of the stirring rod 6 inside the extended neutralization reaction tank 3 is provided with a corresponding hexagonal groove. When the extended neutralization reaction tank 3 is installed, the hexagonal block at the top of the stirring rod 6 in the main neutralization reaction tank 1 is engaged with the hexagonal groove at the bottom end of the stirring rod 6 in the extended neutralization reaction tank 3, so the stirring rod 6 in the main neutralization reaction tank 1 will also drive the stirring rod 6 in the extended neutralization reaction tank 3 to rotate synchronously when it rotates.

[0023] In the embodiment of the present disclosure, Figure 6 and Figure 7 As shown, there are two circular holes symmetrically provided on the right side of the activated carbon adsorption bracket 11. When the positioning bracket 13 slides to the extreme left, the left ends of the two round rods on its left side will be inserted into the round holes on the right side of the activated carbon adsorption bracket 11, and the spring on the right side of the positioning bracket 13 can push it to slide to the left. When the activated carbon filter plate 12 needs to be replaced, it is only necessary to push the positioning bracket 13 toward the right first. At this time, the round rod on the left side of the positioning bracket 13 will be disengaged from the round hole on the right side of the activated carbon adsorption bracket 11, and then the activated carbon adsorption bracket 11 can be rotated 180° and the positioning bracket 13 is released at the same time. The spring on the right side of the positioning bracket 13 will push it to slide to the left, and then the round rod on the left side of the positioning bracket 13 will be reinserted into the round hole on the right side of the activated carbon adsorption bracket 11, thereby locking the state of the activated carbon adsorption bracket 11.

[0024] In the embodiment of the present disclosure, Figure 1-Figure 3 As shown, two independent rectangular grooves are provided on the inner sides of the main neutralization reaction tank 1 and the extended neutralization reaction tank 3. After the main neutralization reaction tank 1 and the extended neutralization reaction tank 3 are assembled, the hexagonal protrusion at the top end of the lower stirring rod 6 will be engaged with the hexagonal groove at the bottom end of the upper stirring rod 6. Therefore, after the main neutralization reaction tank 1 and the extended neutralization reaction tank 3 are assembled, the upper and lower adjacent stirring rods 6 can be ensured to rotate synchronously. When in use, the waste liquid to be treated can be poured into the two rectangular grooves on the inner sides of the main neutralization reaction tank 1 and the extended neutralization reaction tank 3. During the treatment process, the two rectangular grooves on the inner sides of the main neutralization reaction tank 1 and the extended neutralization reaction tank 3 can be used alternately.

[0025] In the embodiment of the present disclosure, Figure 5 As shown, two rectangular openings are provided at the bottom of the right outer wall of the main neutralization reaction tank 1. The outer side of the water outlet baffle 9 is wrapped with rubber, and when the electric cylinder 8 pushes the water outlet baffle 9 to move to the extreme left, the water outlet baffle 9 will close the rectangular opening on the right outer wall of the main neutralization reaction tank 1. After the neutralization reaction of the waste liquid in the main neutralization reaction tank 1 is completed, one of the water outlet baffles 9 can be driven to the right by the electric cylinder 8. At this time, one of the rectangular openings on the right outer wall of the main neutralization reaction tank 1 will be opened, and then the waste liquid in one of the rectangular tanks inside the main neutralization reaction tank 1 and the extended neutralization reaction tank 3 will flow into the transfer pipe 7.

[0026] Example 2, based on Example 1, Figures 1-8 As shown, the top surfaces of the main neutralization reaction tank 1 and the extended neutralization reaction tank 3 and the bottom surface of the extended neutralization reaction tank 3 are all wrapped with a layer of rubber, and a rectangular frame is welded on the inner wall of the microbial treatment tank 10, and the microbial filler plate 14 is installed on the top of the rectangular frame. After assembly, the rubber on the bottom and top surfaces of the main neutralization reaction tank 1 and the extended neutralization reaction tank 3 will fit tightly, thereby ensuring the sealing of the joint position and preventing the waste liquid to be treated from leaking out. The rectangular frame on the inner wall of the microbial treatment tank 10 can stably support the microbial filler plate 14, and it is also convenient to disassemble and replace the microbial filler plate 14 in the later stage.

[0027] The working principle of this embodiment: The device can be installed by relying on the support of the base 2 and the bottom surface of the microbial treatment tank 10 to be placed on the ground. When food inspection waste liquid needs to be harmlessly treated, you can choose whether to install the extended neutralization reaction tank 3 according to the amount of waste liquid to be treated. If the amount of waste liquid to be treated is small, the extended neutralization reaction tank 3 can be not installed. If the amount of waste liquid to be treated is large, the extended neutralization reaction tank 3 can be installed on the top of the main neutralization reaction tank 1 and fastened with bolts and nuts, and then the two electric cylinders 8 are controlled to extend and push the water outlet baffle 9 to move to the far left to close the rectangular opening on the right outer wall of the main neutralization reaction tank 1. Then the waste liquid to be treated can be poured into the two rectangular openings inside the main neutralization reaction tank 1 and the extended neutralization reaction tank 3. shaped tank, add neutralizing agent at the same time, and power on the two motors 4. When the motor 4 rotates, it will drive the stirring rod 6 in the main neutralization reaction tank 1 to rotate under the support of the stirring bracket 5. Because the hexagonal block at the top of the stirring rod 6 in the main neutralization reaction tank 1 is engaged with the hexagonal groove at the bottom of the stirring rod 6 in the extended neutralization reaction tank 3, it will also drive the stirring rod 6 in the extended neutralization reaction tank 3 to rotate synchronously. At this time, the stirring teeth on the outside of the stirring rod 6 can fully stir the waste liquid and the neutralizing agent, so that the first step of waste liquid treatment can be carried out. After the neutralization reaction is completed, one of the water outlet baffles 9 can be driven to the right by the electric cylinder 8. At this time, one of the rectangular openings on the right outer wall of the main neutralization reaction tank 1 will be opened, and then the main neutralization reaction The waste liquid in one of the rectangular grooves inside the tank 1 and the expanded neutralization reaction tank 3 will flow into the transfer pipe 7. When the waste liquid flows to the right in the semicircular tube on the right side of the transfer pipe 7, it will seep through the activated carbon filter plate 12 on the activated carbon adsorption bracket 11, so that it can adsorb pollutants such as organic matter, heavy metal ions, pigments, and odor substances in the waste liquid. Then the waste liquid will flow to the inside of the microbial treatment tank 10 and flow downward through the microbial filler plate 14. In this process, the waste liquid will come into contact with the microorganisms on the microbial filler plate 14, so that the organic matter and toxic substances in the waste liquid can be treated. Finally, the treated waste liquid will be discharged outward through the pipe at the bottom right side of the microbial treatment tank 10. During the treatment process, the main neutralization reaction tank 1 and the expanded neutralization reaction tank 3 can be connected. The two rectangular grooves on the inner side of the exhibition and reaction tank 3 are used alternately. When the activated carbon filter plate 12 needs to be replaced, you only need to push the positioning frame 13 toward the right first. At this time, the round rod on the left side of the positioning frame 13 will be disengaged from the round hole on the right side of the activated carbon adsorption bracket 11, and then the activated carbon adsorption bracket 11 can be rotated 180°. At this time, the two activated carbon filter plates 12 on the inner side of the activated carbon adsorption bracket 11 will be swapped up and down. Then the activated carbon filter plate 12 on the outside can be taken out and replaced, and the positioning frame 13 is loosened at the same time. The spring on the right side of the positioning frame 13 will push it to slide to the left, and then the round rod on the left side of the positioning frame 13 will be reinserted into the round hole on the right side of the activated carbon adsorption bracket 11, thereby locking the state of the activated carbon adsorption bracket 11.

[0028] In this article, there are several points to note: 1. The drawings of the embodiments of the present disclosure only relate to the structures related to the embodiments of the present disclosure. Other structures may refer to conventional designs.

[0029] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to form new embodiments.

[0030] The above are only specific embodiments of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. Food inspection waste liquid harmless treatment device, including: The main neutralization reaction tank (1) is characterized by: The main neutralization reaction tank (1) is welded with a base (2) at the bottom, and two motors (4) are mounted on the bottom of the main neutralization reaction tank (1) through a bracket. An extended neutralization reaction tank (3) is mounted on the top of the main neutralization reaction tank (1). Two stirring rods (6) are rotatably mounted on the inner sides of the main neutralization reaction tank (1) and the extended neutralization reaction tank (3) through a stirring bracket (5), and the bottom end of the stirring rod (6) on the inner side of the main neutralization reaction tank (1) is fixedly connected to the top end of the main shaft of the motor (4). A transfer pipe (7) is welded to the bottom right side of the main neutralization reaction tank (1). Two electric cylinders (8) are fixedly mounted on the outside of the transfer pipe (7), and a water outlet baffle (9) is welded to the left end of each electric cylinder (8); a microbial treatment tank (10) is fixed to the bottom of the right end of the transfer pipe (7), and a microbial filler plate (14) is mounted on the inside of the microbial treatment tank (10); an activated carbon adsorption bracket (11) is rotatably mounted on the transfer pipe (7), and two activated carbon filter plates (12) are mounted on the inside of the activated carbon adsorption bracket (11); a positioning frame (13) is also slidably mounted on the top of the transfer pipe (7).

2. The harmless treatment device for food inspection waste liquid according to claim 1, characterized in that: The top of the stirring rod (6) inside the main neutralization reaction tank (1) and the top of the stirring rod (6) inside the extended neutralization reaction tank (3) are both provided with a hexagonal protrusion, and the bottom of the stirring rod (6) inside the extended neutralization reaction tank (3) is both provided with a corresponding hexagonal groove.

3. The harmless treatment device for food inspection waste liquid according to claim 1, characterized in that: The main neutralization reaction tank (1) and the extended neutralization reaction tank (3) are each provided with two mutually independent rectangular grooves on their inner sides. After the main neutralization reaction tank (1) and the extended neutralization reaction tank (3) are assembled, the hexagonal protrusion at the top end of the lower stirring rod (6) will be engaged with the hexagonal groove at the bottom end of the upper stirring rod (6).

4. The harmless treatment device for food inspection waste liquid according to claim 1, characterized in that: Two rectangular openings are provided at the bottom of the right outer wall of the main neutralization reaction tank (1). The outer side of the water outlet baffle (9) is wrapped with rubber, and when the electric cylinder (8) pushes the water outlet baffle (9) to move to the leftmost side, the water outlet baffle (9) closes the rectangular opening on the right outer wall of the main neutralization reaction tank (1).

5. The harmless treatment device for food inspection waste liquid according to claim 1, characterized in that: The right side portion of the transfer tube (7) is a semicircular tube, the activated carbon adsorption bracket (11) is a cylindrical frame, an arc-shaped groove corresponding to the activated carbon adsorption bracket (11) is provided on the inner wall of the transfer tube (7), and the outer wall of the lower portion of the activated carbon adsorption bracket (11) is located in the arc-shaped groove on the inner wall of the transfer tube (7).

6. The harmless treatment device for food inspection waste liquid according to claim 1, characterized in that: The activated carbon adsorption bracket (11) is provided with eight fan-shaped openings on both the left and right sides, and a fan-shaped opening groove is provided on the inner side of the top and the inner side of the bottom of the activated carbon adsorption bracket (11). The activated carbon filter plate (12) is also a fan-shaped plate and has the same size as the fan-shaped opening groove on the inner side of the activated carbon adsorption bracket (11).

7. The harmless treatment device for food inspection waste liquid according to claim 1, characterized in that: Two circular holes are symmetrically provided on the right side of the activated carbon adsorption bracket (11). When the positioning bracket (13) slides to the leftmost side, the left ends of the two round rods on the left side thereof are inserted into the circular holes on the right side of the activated carbon adsorption bracket (11). The spring on the right side of the positioning bracket (13) can push it to slide to the left.

8. The harmless treatment device for food inspection waste liquid according to claim 1, characterized in that: The top surfaces of the main neutralization reaction tank (1) and the extended neutralization reaction tank (3) as well as the bottom surface of the extended neutralization reaction tank (3) are all wrapped with a layer of rubber. A rectangular frame is welded on the inner wall of the microbial treatment tank (10), and the microbial filler plate (14) is installed on the top of the rectangular frame.

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