Multi-stage wastewater treatment equipment for pig slaughtering

Abstract

The invention relates to the technical field of sewage treatment, and particularly discloses pig slaughtering multi-stage wastewater treatment equipment which comprises a bottom plate, a shell is fixedly connected to the top of the bottom plate, a water inlet mechanism is fixedly connected to the top of the bottom plate, and one side of the water inlet mechanism communicates with a first pipeline; one end, far away from the water inlet mechanism, of the first pipeline is communicated with an oil filter tank, one side, far away from the first pipeline, of the oil filter tank is communicated with a second pipeline, one end, far away from the oil filter tank, of the second pipeline is communicated with an anaerobic tank, and one side, far away from the second pipeline, of the anaerobic tank is communicated with a third pipeline; one end, far away from the anaerobic tank, of the third pipeline is communicated with an aerobic tank. According to the multi-stage wastewater treatment equipment for pig slaughtering, the anaerobic tank can autonomously adjust the pH value in the anaerobic tank to keep the activity of anaerobic bacteria in the anaerobic tank, and the purposes of solving the problem that the grid is blocked by materials, autonomously adjusting the pH value of the anaerobic tank and fully combining water and oxygen in the aerobic tank are achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sewage treatment, in particular to a multi-stage wastewater treatment equipment for pig slaughtering. BACKGROUND

[0002] The background of the multi-stage wastewater treatment equipment is mainly derived from the intensification of water resource pollution and the promotion of environmental protection policies, combined with the complexity of industrial wastewater treatment demand, the improvement of treatment efficiency and the trend of intelligent management. Since 2015, China has implemented the "Water Ten Policies", and the sewage treatment efficiency and discharge standard has been continuously upgraded. The "14th Five-Year Plan" for ecological environmental protection further clarifies the requirements for sewage treatment facility construction, and promotes the market size of integrated sewage treatment equipment to reach 876 billion yuan, with a compound annual growth rate of 12.3%. Traditional decentralized sewage treatment facilities have problems such as large land occupation and long construction period, which are difficult to meet the needs of industrial wastewater treatment. Integrated sewage treatment equipment realizes "small land occupation, low investment, high efficiency and easy management" through integrated design, and expands to chemical wastewater and other scenes. For example, a certain enterprise uses integrated equipment to treat 120 cubic meters of chemical wastewater per day, and realizes efficient treatment through pretreatment, filtration, membrane bioreactor and other technologies.

[0003] The current multi-stage wastewater treatment equipment for pig slaughtering has the problem that the grid is often blocked by large debris, which requires manual cleaning and a long and insufficient water-oxygen combination process. SUMMARY

[0004] To solve the above problems, the present application is realized by the following technical scheme: a multi-stage wastewater treatment equipment for pig slaughtering, comprising a bottom plate, the top of which is fixedly connected with an outer shell, the top of the bottom plate is fixedly connected with a water inlet mechanism, one side of the water inlet mechanism is communicated with a first pipeline, the end of the first pipeline away from the water inlet mechanism is communicated with an oil filter tank, the side of the oil filter tank away from the first pipeline is communicated with a second pipeline, the end of the second pipeline away from the oil filter tank is communicated with an anaerobic tank, the side of the anaerobic tank away from the second pipeline is communicated with a third pipeline, and the end of the third pipeline away from the anaerobic tank is communicated with an aerobic tank. The water inlet mechanism comprises a water inlet shell and a crushing shell, the water inlet shell is provided with a fixed end of an automatic telescopic rod penetrating through one side and being connected in a sliding mode, the movable end of the automatic telescopic rod is fixedly connected with a triangular push block, the inner wall of the water inlet shell is fixedly connected with a grating, the side of the water inlet shell away from the second automatic telescopic rod is provided with a through hole, the inner wall top of the crushing shell is fixedly connected with a spring, the end of the spring away from the crushing shell is fixedly connected with a second triangular push block matched with the through hole, the inner wall bottom of the crushing shell is rotatably connected with a rotating shaft, and the side of the rotating shaft is fixedly connected with a blade, when the large impurities are sent to the vicinity of the blade, the rotating shaft drives the blade to rotate to crush the impurities, and the crushed impurities enter the subsequent treatment process through the through hole together with the sewage, which can reduce the pressure of the subsequent treatment, and improve the efficiency of subsequent water quality purification.

[0005] Preferably, the side surface of the crushing shell is fixedly connected with the bottom plate, and the fixed end of the automatic telescopic rod is fixedly connected with the shell.

[0006] Preferably, the bottom of the grating is fixedly connected with the bottom plate, and the bottom of the water inlet shell is fixedly connected with the bottom plate.

[0007] Preferably, the anaerobic tank comprises a first box body, the top of the first box body is fixedly connected with a first top plate, the top of the first top plate is provided with an adsorption hole, the top of the first top plate is fixedly connected with an adsorption device above the adsorption hole, the part of the first top plate on one side of the adsorption device is fixedly connected with a first storage box, and the bottom of the first storage box is fixedly connected with a spray head, during the decomposition process, the pH value of the sewage will change, at this time, the spray head in the storage box can be used to regularly spray co2 into the anaerobic tank to maintain the suitable pH value and microbial activity in the tank.

[0008] Preferably, the bottom of the first box body is fixedly connected with the bottom plate, and the side of the first box body is communicated with the second pipeline.

[0009] Preferably, the adsorption device comprises a rectangular shell, the bottom of one side of the rectangular shell is provided with a discharge hole, the inner wall of the discharge hole is rotationally connected with a baffle at the top through a rotating pin, both sides of the bottom of the rectangular shell are fixedly connected with guide plates, the side away from the rectangular shell of the guide plate is fixedly connected with a second storage box, the side close to the guide plate of the second storage box is provided with a storage hole, the bottom of the side away from the discharge hole of the rectangular shell is penetrated and slidably connected with a material push plate, the side away from the push plate hole of the material push plate is fixedly connected with a second automatic telescopic rod, one end of the second automatic telescopic rod away from the material push plate is fixedly connected with the rectangular shell, and the top of the rectangular shell is slidably connected with a lid.

[0010] Preferably, the bottom of the rectangular shell is fixedly connected with the first top plate, the bottom of the guide plate is fixedly connected with the first top plate, and the side of the second storage box is fixedly connected with the first box body.

[0011] Preferably, the aerobic tank comprises a second box body, the top of the second box body is fixedly connected with a second top plate, the second top plate is fixedly connected with a fan at the top and communicates with the gas outlet, the inner wall of the second box body is fixedly connected with a fixed plate, the top of the fixed plate is fixedly connected with a first motor, the driving shaft of the first motor penetrates through the fixed plate and is fixedly connected with a rotating stick, the side of the rotating stick is fixedly connected with an agitating plate, the bottom of the inner wall of the second box body is rotationally connected with a second rotating shaft, the side of the second rotating shaft is fixedly connected with a second fixed shaft, one end of the second fixed shaft away from the second rotating shaft is fixedly connected with a second agitating plate, the top of the second rotating shaft is fixedly connected with the driving shaft of a second motor, and the bottom of the second motor is fixedly connected with the second top plate.

[0012] Preferably, the bottom of the second box body is fixedly connected with the bottom plate, the side of the second box body communicates with the third pipeline, and the air inlet of the fan penetrates through the shell and is fixedly connected with the shell.

[0013] The application provides a multi-stage wastewater treatment equipment for pig slaughtering. 1. The multi-stage wastewater treatment equipment for pig slaughtering is provided with an impurity crushing device, in use, sewage enters through the water inlet shell, the automatic telescopic rod drives the triangular push block to reciprocate, and the hair and large impurities are pushed into the crushing shell. In the crushing shell, the second triangular push block keeps in contact with the blade under the action of the spring, when the large impurities are sent to the vicinity of the blade, the rotating shaft drives the blade to rotate, the impurities are crushed, and the crushed impurities enter the subsequent treatment process with the sewage through the through hole, which can reduce the pressure of the subsequent treatment and improve the efficiency of the subsequent water quality purification.

[0014] 2. The multi-stage wastewater treatment equipment for pig slaughtering is provided with an acid-base adjusting device, in use, the wastewater in the anaerobic tank is treated in the box, the anaerobic bacteria in the box can decompose the organic matter in the sewage, and the pH value of the sewage changes in the decomposition process, at this time, the spray head in the storage box can be used to spray co2 into the anaerobic tank regularly, so as to maintain the suitable pH value and microbial activity in the tank.

[0015] 3. The multi-stage wastewater treatment equipment for pig slaughtering is provided with an adsorption device, in use, the wastewater in the anaerobic tank is treated in the box, the generated harmful gas is adsorbed by the activated carbon package in the adsorption hole of the adsorption device, the harmful gas is effectively removed after the adsorption treatment of the activated carbon, and the purified gas can be discharged into the atmosphere, when the activated carbon in the adsorption device reaches the saturation state, the second automatic telescopic rod can be started to push the material push plate to slide in the push plate hole, the activated carbon is pushed out from the discharge hole and falls into the storage box through the guide plate and the storage hole, so that the activated carbon can be replaced and cleaned conveniently. The replaced activated carbon can be reloaded into the rectangular shell to continue to be used for the adsorption treatment of the harmful gas.

[0016] 4. The multi-stage wastewater treatment equipment for pig slaughtering is provided with a stirring device. In use, the fan is started to introduce external air into the second box through the second top plate to provide sufficient oxygen for the aerobic microorganisms in the second box, promote the growth and activity of the microorganisms, and thus improve the wastewater treatment efficiency. At the same time, the wastewater enters the second box through the third pipeline, and the organic matter in the wastewater is decomposed under the action of the aerobic microorganisms to further purify the water quality. In the working process of the aerobic tank, the rotating rod rotates under the support of the fixed shaft to drive the stirring plate to stir the wastewater, so that the organic matter in the wastewater fully contacts with the microorganisms, and the treatment efficiency is improved. At the same time, the second rotating shaft drives the second fixed shaft to rotate, and the rotating block on the second fixed shaft rotates in the rotating groove to further drive the second stirring plate to stir and mix the wastewater, so as to ensure the uniformity and efficiency of the wastewater treatment. In addition, the second box has a reasonable design structure, and the bottom is fixedly connected with the bottom plate to ensure the stability and durability of the equipment. At the same time, the second top plate is fixedly connected with the fan in a penetrating mode to provide good ventilation conditions for the equipment, and further improve the efficiency and quality of the wastewater treatment. With the continuous treatment of the wastewater in the aerobic tank, the water quality is gradually purified. In order to further improve the treatment effect, a proper amount of biological bacteria can be added in the aerobic tank to increase the number and activity of the aerobic microorganisms and accelerate the decomposition process of the organic matter. When the aerobic tank is treated, the wastewater will flow into the subsequent treatment unit for further purification. In the whole multi-stage wastewater treatment equipment for pig slaughtering, the aerobic tank plays a crucial role. Its high treatment capacity and stable operation performance provide a powerful guarantee for the whole wastewater treatment system. At the same time, the multi-stage wastewater treatment equipment for pig slaughtering also has the characteristics of intelligent management. By being equipped with advanced sensors and control systems, the water quality and treatment effect of the wastewater can be monitored in real time, and the operation parameters of the equipment can be automatically adjusted according to the actual situation to ensure the stability and efficiency of the wastewater treatment. This intelligent management mode not only improves the operation efficiency of the equipment, but also reduces the difficulty and cost of manual operation. In summary, the multi-stage wastewater treatment equipment for pig slaughtering has the characteristics of simple structure, high treatment efficiency, stable operation, intelligent management, and the like, and provides an effective solution for the wastewater treatment of the pig slaughtering industry. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the multi-stage wastewater treatment equipment for pig slaughtering of the present application. Figure 2 It is a structural schematic view of the water inlet mechanism of the present application. Figure 3 It is a structural schematic view of the crushing device of the present application. Figure 4 It is a structural schematic view of the anaerobic tank of the present application. Figure 5 It is a structural schematic view of the top plate of the present application. Figure 6 Structure diagram of the replacement device of the present application; Figure 7 Structure diagram of the internal structure of the replacement device of the present application; Figure 8 Structure diagram of the aerobic tank of the present application; Figure 9 Structure diagram of the stirring device of the present application; Figure 10 Structure diagram of the cross section of the stirring device of the present application.

[0018] In the figure: 1, outer shell; 3, bottom plate; 4, water inlet mechanism; 41, water inlet shell; 42, first automatic telescopic rod; 43, triangular push block; 44, grid; 45, second triangular push block; 46, spring; 47, crushing shell; 48, first rotating shaft; 49, blade; 410, through hole; 5, first pipeline; 6, oil filter tank; 7, second pipeline; 8, anaerobic tank; 81, first box body; 82, top plate; 83, first storage box; 84, spray head; 85, adsorption device; 851, cover; 852, rectangular shell; 853, push plate hole; 854, material push plate; 855, second automatic telescopic rod; 856, guide plate; 857, second storage box; 858, storage hole; 859, discharge hole; 8510, baffle; 86, adsorption hole; 9, third pipeline; 10, aerobic tank; 101, fan; 102, second top plate; 103, second box body; 104, fixed plate; 105, rotating stick; 106, stirring plate; 107, second rotating shaft; 108, second fixed shaft; 110, second stirring plate; 113, first motor; 114, second motor. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0020] First embodiment, please refer to Figures 1-3The application provides a technical scheme: a multi-stage wastewater treatment equipment for live pig slaughtering, which comprises a bottom plate 3, an outer shell 1 fixedly connected to the top of the bottom plate 3, a water inlet mechanism 4 fixedly connected to the top of the bottom plate 3, a first pipeline 5 communicated with one side of the water inlet mechanism 4, an oil filter tank 6 communicated with the end of the first pipeline 5 away from the water inlet mechanism 4, a second pipeline 7 communicated with the side of the oil filter tank 6 away from the first pipeline 5, an anaerobic tank 8 communicated with the end of the second pipeline 7 away from the oil filter tank 6, and a third pipeline 9 communicated with the side of the anaerobic tank 8 away from the second pipeline 7, wherein the end of the third pipeline 9 away from the anaerobic tank 8 is communicated with an aerobic tank 10. The water inlet mechanism 4 comprises a water inlet shell 41 and a crushing shell 47, the fixed end of a first automatic telescopic rod 42 is slidably connected to one side of the water inlet shell 41, the movable end of the first automatic telescopic rod 42 is fixedly connected to a triangular push block 43, a grille 44 is fixedly connected to the inner wall of the water inlet shell 41, a through hole 410 is formed in the side of the water inlet shell 41 away from the second first automatic telescopic rod 42, a spring 46 is fixedly connected to the top of the inner wall of the crushing shell 47, the end of the spring 46 away from the crushing shell 47 is fixedly connected to a second triangular push block 45 matched with the through hole 410, a first rotating shaft 48 is rotatably connected to the bottom of the inner wall of the crushing shell 47, a blade 49 is fixedly connected to the side of the first rotating shaft 48, the side of the crushing shell 47 is fixedly connected to the bottom plate 3, the fixed end of the first automatic telescopic rod 42 is fixedly connected to the outer shell 1, the bottom of the grille 44 is fixedly connected to the bottom plate 3, and the bottom of the water inlet shell 41 is fixedly connected to the bottom plate 3.

[0021] In use, sewage enters the water inlet shell 41, the first automatic telescopic rod 42 reciprocally drives the triangular push block 43 to push the hair and large impurities into the crushing shell 47. In the crushing shell 47, the second triangular push block 45 keeps in contact with the blade 49 under the action of the spring 46, when the large impurities are sent to the vicinity of the blade 49, the first rotating shaft 48 drives the blade 49 to rotate to crush the impurities, and the crushed impurities enter the subsequent treatment process with the sewage through the through hole 410, which can reduce the pressure of the subsequent treatment and improve the efficiency of subsequent water quality purification.

[0022] The second embodiment, please refer to Figures 1-5On the basis of the first embodiment, the application provides a technical scheme: the anaerobic tank 8 comprises a first box body 81, the first box body 81 is fixedly connected with a first top plate 82 at the top, the first top plate 82 is provided with an adsorption hole 86 at the top, the first top plate 82 is fixedly connected with an adsorption device 85 above the adsorption hole 86 at the top, a first storage box 83 is fixedly connected to the part of the first top plate 82 at the side of the adsorption device 85 at the top, a spray head 84 is fixedly connected to the bottom of the first storage box 83, the bottom of the first box body 81 is fixedly connected with the bottom plate 3, and the side of the first box body 81 is communicated with the second pipeline 7.

[0023] In use, wastewater in the anaerobic tank 8 is treated in the first box body 81, and the anaerobic bacteria in the first box body 81 decompose organic matter in the wastewater, and the pH value of the wastewater changes during the decomposition, at which time the spray head 84 in the first storage box 83 can be used to regularly spray co2 into the anaerobic tank 8 to maintain the appropriate pH value and microbial activity in the tank.

[0024] The third embodiment, please refer to Figures 1-7 On the basis of the second embodiment, the application provides a technical scheme: the adsorption device 85 comprises a rectangular shell 852, the rectangular shell 852 is provided with a discharge hole 859 at the bottom of one side, the discharge hole 859 is rotatably connected with a baffle 8510 at the top of the inner wall through a rotating pin, the bottom of both sides of the rectangular shell 852 is fixedly connected with a guide plate 856, the side of the guide plate 856 away from the rectangular shell 852 is fixedly connected with a second storage box 857, the side of the second storage box 857 close to the guide plate 856 is provided with a storage hole 858, the bottom of the side of the rectangular shell 852 away from the discharge hole 859 is connected with a material push plate 854 through a through hole and a sliding connection, the side of the material push plate 854 away from the push plate hole 853 is fixedly connected with a second automatic telescopic rod 855, one end of the second automatic telescopic rod 855 away from the material push plate 854 is fixedly connected with the rectangular shell 852, the top plate of the rectangular shell 852 is slidingly connected with a cover 851, the bottom of the rectangular shell 852 is fixedly connected with the first top plate 82, the bottom of the guide plate 856 is fixedly connected with the first top plate 82, the side of the second storage box 857 is fixedly connected with the first box body 81, and the bottom of the material push plate 854 is slidingly connected with the first top plate 82.

[0025] When in use, the wastewater in the anaerobic tank 8 is treated in the first box 81, and the harmful gas generated is adsorbed by the activated carbon package in the adsorption device 85 through the adsorption hole 86. After the adsorption treatment of the activated carbon, the harmful gas is effectively removed, and the purified gas can be discharged into the atmosphere. When the activated carbon in the adsorption device 85 reaches the saturation state, the second automatic telescopic rod 855 can be started to push the material push plate 854 to slide in the push plate hole 853, push the activated carbon out of the discharge hole 859, and fall into the second storage box 857 through the guide plate 856 and the storage hole 858, so as to facilitate replacement and cleaning. The replaced activated carbon can be reloaded into the rectangular shell 852 for further adsorption treatment of harmful gas.

[0026] The fourth embodiment, please refer to Figures 1-10 On the basis of the third embodiment, the present application provides a technical solution: the aerobic tank 10 comprises a second box 103, the top of the second box 103 is fixedly connected with a second top plate 102, the top of the second top plate 102 is fixedly connected with a fan 101 and communicates with the gas outlet, the inner wall of the second box 103 is fixedly connected with a fixed plate 104, the top of the fixed plate 104 is fixedly connected with a first motor 113, the driving shaft of the first motor 113 penetrates through the fixed plate 104 and is fixedly connected with a rotating stick 105, the side of the rotating stick 105 is fixedly connected with an agitating plate 106, the bottom of the inner wall of the second box 103 is rotatably connected with a second rotating shaft 107, the side of the second rotating shaft 107 is fixedly connected with a second fixed shaft 108, the end of the second fixed shaft 108 away from the second rotating shaft 107 is fixedly connected with a second agitating plate 110, the top of the second rotating shaft 107 is fixedly connected with the driving shaft of a second motor 114, the bottom of the second motor 114 is fixedly connected with the second top plate 102, the bottom of the second box 103 is fixedly connected with the bottom plate 3, the side of the second box 103 communicates with the third pipeline 9, and the air inlet of the fan 101 penetrates through the shell 1 and is fixedly connected with the shell 1.

[0027] In use, the sewage to be treated is introduced into the second box 103 through the third pipeline 9, the fan 101 is started, air is blown into the aerobic tank 10 through the air outlet, sufficient oxygen is provided for the microorganisms in the aerobic tank 10 to promote the growth and metabolism of the microorganisms, and the organic matter in the sewage is decomposed. At the same time, the first motor 113 and the second motor 114 are started, the rotating rod 105 is driven to rotate by the first motor 113, and then the stirring plate 106 is driven to stir the upper layer of sewage in the aerobic tank 10, so that the sewage is in full contact with the air, and the utilization rate of oxygen is improved; the second rotating shaft 107 is driven to rotate by the second motor 114, the second rotating shaft 107 drives the second fixed shaft 108 and the second stirring plate 110 to rotate, and the lower layer of sewage in the aerobic tank 10 is stirred, so that the microorganisms in the sewage are fully mixed with the organic matter, and the decomposition efficiency is improved. After a period of treatment, the organic matter in the sewage is decomposed by the microorganisms, the water quality is improved, and the treated water can be discharged through the corresponding pipeline for subsequent treatment or reuse.

[0028] Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor should belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application are implemented according to the conventional means in the art, unless otherwise specified and limited.

Claims

1. A multi-stage wastewater treatment apparatus for swine slaughter, characterized by: The utility model relates to a water purifying device, including bottom plate (3), the bottom plate (3) top fixedly connected with shell (1), the bottom plate (3) top fixedly connected with water inlet mechanism (4), water inlet mechanism (4) one side is connected with first pipeline (5), the first pipeline (5) away from water inlet mechanism (4) one end is connected with filter oil pool (6), filter oil pool (6) away from first pipeline (5) one side is connected with second pipeline (7), the second pipeline (7) away from filter oil pool (6) one end is connected with anaerobic tank (8), anaerobic tank (8) away from second pipeline (7) one side is connected with third pipeline (9), third pipeline (9) away from anaerobic tank (8) one end is connected with aerobic tank (10), The water inlet mechanism (4) includes a water inlet shell (41) and a crushing shell (47), the water inlet shell (41) is connected with the fixed end of the first automatic telescopic rod (42) on one side, the movable end of the first automatic telescopic rod (42) is fixedly connected with a triangular push block (43), the inner wall of the water inlet shell (41) is fixedly connected with a grille (44), the water inlet shell (41) is provided with a through hole (410) on the side away from the second first automatic telescopic rod (42), the inner wall of the crushing shell (47) is fixedly connected with a spring (46) at the top, the end of the spring (46) away from the crushing shell (47) is fixedly connected with a second triangular push block (45) matched with the through hole (410), the inner wall of the crushing shell (47) is rotatably connected with a first rotating shaft (48) at the bottom, and the side of the first rotating shaft (48) is fixedly connected with a blade (49).

2. A multi-stage wastewater treatment apparatus for pig slaughter according to claim 1, characterized in that: The side of the crushing shell (47) is fixedly connected with the bottom plate (3), and the fixed end of the first automatic telescopic rod (42) is fixedly connected with the shell (1).

3. A multi-stage wastewater treatment apparatus for pig slaughter according to claim 2, characterized in that: The bottom of the grille (44) is fixedly connected with the bottom plate (3), and the bottom of the water inlet shell (41) is fixedly connected with the bottom plate (3).

4. A multi-stage wastewater treatment apparatus for pig slaughter according to claim 3, characterized in that: The anaerobic tank (8) includes a first box body (81), the first box body (81) is fixedly connected with a first top plate (82) at the top, the first top plate (82) is provided with an adsorption hole (86) at the top, the first top plate (82) is fixedly connected with an adsorption device (85) above the adsorption hole (86) at the top, the first top plate (82) is fixedly connected with a first storage box (83) on the side of the adsorption device (85) at the top, and the bottom of the first storage box (83) is fixedly connected with a spray head (84).

5. A multi-stage swine slaughter wastewater treatment apparatus according to claim 4, wherein: The bottom of the first box body (81) is fixedly connected with the bottom plate (3), and the side of the first box body (81) is communicated with the second pipeline (7).

6. A multi-stage wastewater treatment apparatus for pig slaughter according to claim 5, characterized in that: The adsorption device (85) includes a rectangular shell (852), the rectangular shell (852) is provided with a discharge hole (859) on one side bottom, the inner wall top of the discharge hole (859) is rotatably connected with a baffle (8510) through a rotating pin, both sides of the bottom of the rectangular shell (852) are fixedly connected with a guide plate (856), one side of the guide plate (856) away from the rectangular shell (852) is fixedly connected with a second storage box (857), one side of the second storage box (857) close to the guide plate (856) is provided with a storage hole (858), the bottom of one side of the rectangular shell (852) away from the discharge hole (859) is connected with a material push plate (854) through and slidingly, one side of the material push plate (854) away from the push plate hole (853) is fixedly connected with a second automatic telescopic rod (855), one end of the second automatic telescopic rod (855) away from the material push plate (854) is fixedly connected with the rectangular shell (852), and the top plate of the rectangular shell (852) is slidingly connected with a cover (851).

7. A multi-stage wastewater treatment apparatus for pig slaughter according to claim 6, characterized in that: The bottom of the rectangular shell (852) is fixedly connected with the first top plate (82), the bottom of the guide plate (856) is fixedly connected with the first top plate (82), one side of the second storage box (857) is fixedly connected with the first box body (81), and the bottom of the material push plate (854) is slidingly connected with the first top plate (82).

8. A multi-stage wastewater treatment apparatus for pig slaughter according to claim 7, characterized in that: The aerobic tank (10) includes a second box body (103), the second box body (103) is fixedly connected with a second top plate (102) on the top, the second top plate (102) is fixedly connected with a fan (101) on the top and communicates with the gas outlet, the inner wall of the second box body (103) is fixedly connected with a fixed plate (104), the top of the fixed plate (104) is fixedly connected with a first motor (113), the driving shaft of the first motor (113) penetrates through the fixed plate (104) and is fixedly connected with a rotating stick (105), the side of the rotating stick (105) is fixedly connected with an agitating plate (106), the inner wall bottom of the second box body (103) is rotatably connected with a second rotating shaft (107), the side of the second rotating shaft (107) is fixedly connected with a second fixed shaft (108), one end of the second fixed shaft (108) away from the second rotating shaft (107) is fixedly connected with a second agitating plate (110), the top of the second rotating shaft (107) is fixedly connected with the driving shaft of a second motor (114), and the bottom of the second motor (114) is fixedly connected with the second top plate (102).

9. A multi-stage swine slaughter wastewater treatment apparatus according to claim 8, characterized in that: The bottom of the second box body (103) is fixedly connected with the bottom plate (3), the side of the second box body (103) communicates with the third pipeline (9), and the air inlet of the fan (101) penetrates through the shell (1) and is fixedly connected with the shell (1).

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