Pig farm wastewater treatment and cyclic utilization device

Abstract

The utility model relates to the technical field of wastewater treatment, and discloses a pig farm wastewater treatment and cyclic utilization device which comprises a wastewater treatment tank, a wastewater treatment mechanism is arranged on the surface of the wastewater treatment tank and comprises a pretreatment assembly and a wastewater stirring assembly, and an anaerobic treatment box is arranged at the right end of the wastewater treatment tank. A wastewater filtering box is arranged at the right end of the anaerobic treatment box, after wastewater enters the anaerobic treatment box, anaerobic treatment is conducted through internal granular sludge, organic matter in the wastewater is converted into methane and carbon dioxide, and the treated wastewater overflows through a water outlet; marsh gas generated by anaerobic treatment can be refracted by the reflecting plate in the rising process and finally collected from the marsh gas collecting opening and collected in the marsh gas box, later treatment is facilitated, wastewater can be efficiently subjected to harmless treatment through the arrangement of the assembly, the content of organic matter in the wastewater is greatly reduced, and the wastewater treatment efficiency is improved. The purification efficiency of the wastewater is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater treatment technical field, concretely is a pig farm wastewater treatment and recycling device. BACKGROUND

[0002] The pig farm wastewater refers to the sewage produced by feeding pigs and cleaning pig house in pig house, and the sewage is mainly composed of urine, residual excrement, hair, feed residue and flushing water etc., and some field area also includes the domestic wastewater produced in the production process, wherein the flushing water accounts for the vast majority, and the wastewater needs to be recycled and treated in the production process, and is recycled and used again after a series of purification.

[0003] The existing device has the problems of processing capacity limitation, single function and operation stability dependence, if the organic matter concentration of the wastewater is too high, the degradation efficiency of the granular sludge will rapidly decrease, which may lead to the organic matter content of the effluent exceeding the standard and failing to meet the influent requirement of the subsequent process, and the treatment capacity of the device for the wastewater with high concentration and complex composition is insufficient. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a pig farm wastewater treatment and recycling device to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a pig farm wastewater treatment and recycling device, which comprises a wastewater treatment tank, a wastewater treatment mechanism is arranged on the surface of the wastewater treatment tank, the wastewater treatment mechanism comprises a pretreatment assembly and a wastewater stirring assembly, an anaerobic treatment box is arranged at the right end of the wastewater treatment tank, a wastewater filter box is arranged at the right end of the anaerobic treatment box, a wastewater recycling treatment assembly is arranged on the surface of the anaerobic treatment box and the wastewater filter box, the wastewater recycling treatment assembly comprises an anaerobic treatment assembly and a wastewater filter treatment assembly;

[0006] The anaerobic treatment assembly includes a separator fixedly connected to the inside top of the anaerobic treatment box, the top of the separator is provided with a water outlet, the top of the separator is fixedly connected with reflecting plates at the front and back ends, the top of the left and right sides of the anaerobic treatment box is provided with biogas collection ports at the front and back ends, the top of the back of the anaerobic treatment box is fixedly connected with a biogas tank, the left and right ends of the biogas tank are provided with collection gas pumps, a biogas collection pipe is arranged between the biogas tank and the biogas collection port, and the right side of the anaerobic treatment box is provided with an anaerobic treatment box drain port.

[0007] Preferably, the biogas collection port is provided with four groups, and the collection gas pump and the biogas collection pipe are provided with two groups.

[0008] Preferably, the wastewater filtration treatment assembly includes a filter plate mounting seat fixedly connected to the inside left and right sides of the wastewater filtration box, a filter plate is inserted into the inside of the filter plate mounting seat, first connecting seats are fixedly connected to the middle sections of the inside left and right sides of the wastewater filtration box, reciprocating lead screws are rotatably connected to the inside of the first connecting seats, second connecting seats are fixedly connected to the front and back ends of the inside left and right sides of the wastewater filtration box, slide rods are fixedly connected to the inside of the second connecting seats, the reciprocating lead screws and the slide rods are provided with sliding blocks on the surfaces, cleaning brushes are fixedly connected to the bottoms of the sliding blocks, side connecting seats are fixedly connected to the top and bottom of the right end of the wastewater filtration box, motor racks two are fixedly connected to the top of the side connecting seats, motors two are arranged in the motor racks two, rotating shafts are rotatably connected to the inside of the side connecting seats, first bevel gears are fixedly connected to the surfaces of the rotating shafts, second bevel gears are fixedly connected to the right ends of the reciprocating lead screws, and a filter plate extraction door is arranged on the front of the wastewater filtration box.

[0009] Preferably, the filter filter plate is provided with three groups, the first connecting seat, the reciprocating screw rod, the second connecting seat, the sliding rod, the sliding block and the cleaning brush are arranged on the top of the filter filter plate.

[0010] Preferably, the reciprocating screw rod is surface threaded with a sliding block, the sliding rod is surface slidingly connected with a sliding block, the first bevel gear and the second bevel gear are intermeshed, and the rotating shaft is fixedly connected to the bottom output end of the second motor.

[0011] Preferably, the pretreatment assembly comprises a water inlet pipe, the water inlet pipe is fixedly connected to the top left end of the wastewater treatment tank, the water inlet pipe is fixedly connected with a pretreatment box at the top, the pretreatment box is fixedly connected with an insertion frame at the front and rear ends inside, the insertion frame is inserted with a grid filter plate inside, the grid filter plate is fixedly connected with a sundry collecting plate at the left bottom, the pretreatment box is provided with a top cover at the top, and the top cover is fixedly connected with a water inlet at the top left end.

[0012] Preferably, the wastewater stirring assembly comprises a motor bracket one, the motor bracket one is fixedly connected to the left and right ends of the wastewater treatment tank, the motor bracket one is provided with a motor one inside, the motor one is provided with a rotating shaft inside, the rotating shaft is fixedly connected with a fixed sleeve on the surface, the fixed sleeve is fixedly connected with a stirring plate on the surface, the stirring plate is provided with a through groove on the surface, the through groove is fixedly connected with a crushing blade inside, the wastewater treatment tank is fixedly connected with a mounting seat at the top left side, and the mounting seat is fixedly connected with a dosing port at the left end.

[0013] Preferably, the rotating shaft is fixedly connected to the inside output end of the motor one, the motor bracket one and the motor one are provided with four groups, and the rotating shaft is provided with four groups.

[0014] Preferably, the wastewater treatment tank is fixedly connected with a fixed frame on the surface, the fixed frame is fixedly connected with a base at the bottom, the wastewater treatment tank is fixedly connected with a first water conveying pipe at the bottom right end, and the first water conveying pipe is provided with a first water pump at one end close to the anaerobic treatment box.

[0015] Preferably, the anaerobic treatment box is fixedly connected with a second water conveying pipe at the top right end, the second water conveying pipe is provided with a second water pump at one end close to the wastewater filter box, and the wastewater filter box is fixedly connected with a drain at the bottom right end.

[0016] Compared with the prior art, the pig farm wastewater treatment and recycling device has the following beneficial effects:

[0017] 1. The pig farm wastewater treatment and recycling device is provided with an anaerobic treatment assembly, when wastewater enters the inside of the anaerobic treatment box, the organic matter in the wastewater is converted into methane and carbon dioxide through the internal granular sludge for anaerobic treatment, the treated wastewater overflows through the water outlet, and finally is discharged from the anaerobic treatment box through the anaerobic treatment box drain for the next process, the biogas generated by anaerobic treatment is refracted through the reflecting plate in the rising process, and finally is collected from the biogas collecting port and collected in the biogas tank, so that the wastewater is treated efficiently, the content of organic matter in the wastewater is greatly reduced, and the purification efficiency of the wastewater is improved.

[0018] 2. The pig farm wastewater treatment and recycling device is provided with a wastewater filtration treatment assembly, when the wastewater is treated through the anaerobic treatment assembly, the wastewater is treated in the wastewater filtration box, a plurality of filter plates can efficiently filter the impurities in the wastewater, so that the discharged water is harmless and convenient for collection and recycling, and the filter plate is cleaned by the motor two driving shaft and the first bevel gear, the second bevel gear and the reciprocating screw rod are driven to drive the cleaning brush at the bottom to clean the filter plate, so that the filter plate is prevented from being blocked by impurities, and the treatment effect is further improved through the assembly, so that the harmless treatment and discharge collection of the water source are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 It is a whole structure schematic view of the present application;

[0021] Figure 2 It is a pretreatment assembly schematic view of the structure of the present application;

[0022] Figure 3 It is a wastewater treatment tank schematic view of the structure of the present application;

[0023] Figure 4 It is a wastewater stirring treatment assembly schematic view of the structure of the present application;

[0024] Figure 5 It is an anaerobic treatment assembly schematic view of the structure of the present application;

[0025] Figure 6 It is a wastewater filtration treatment assembly schematic view of the structure of the present application;

[0026] Figure 7 It is the internal schematic view of the waste water filtering box.

[0027] In the figure: 1, waste water treatment tank; 2, fixed frame; 3, base; 4, first water pipe; 41, first water pump; 5, anaerobic treatment box; 6, second water pipe; 61, second water pump; 7, waste water filtering box; 71, drain port; 8, waste water treatment mechanism; 81, pretreatment assembly; 811, water inlet pipe; 812, pretreatment box; 813, plug-in frame; 814, grating filter plate; 815, sundry collection plate; 816, top cover; 817, water inlet; 82, waste water stirring assembly; 821, motor frame one; 822, motor one; 823, rotating shaft; 824, fixed sleeve; 825, stirring plate; 826, through groove; 827, crushing blade; 828, mounting seat; 829, dosing port; 9, waste water circulating treatment assembly; 91, anaerobic treatment assembly; 911, separator; 912, water outlet; 913, reflecting plate; 914, biogas collection port; 915, biogas tank; 916, collection gas pump; 917, biogas collection pipe; 918, anaerobic treatment box drain port; 92, waste water filtering treatment assembly; 921, filter plate mounting seat; 922, filtering filter plate; 923, first connecting seat; 924, reciprocating screw rod; 925, second connecting seat; 926, sliding rod; 927, sliding block; 928, cleaning brush; 929, side connecting seat; 9201, motor frame two; 9202, motor two; 9203, rotating shaft; 9204, first bevel gear; 9205, second bevel gear; 9206, filter plate extraction door. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the 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. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0029] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, or detachable connection, or integrated; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0030] The present application provides the following technical solutions:

[0031] Embodiment one

[0032] Please refer to Figures 1-7 The pig farm wastewater treatment and recycling device comprises a wastewater treatment tank 1, the surface of the wastewater treatment tank 1 is provided with a wastewater treatment mechanism 8, the wastewater treatment mechanism 8 comprises a pretreatment assembly 81 and a wastewater stirring assembly 82, the right end of the wastewater treatment tank 1 is provided with an anaerobic treatment box 5, the right end of the anaerobic treatment box 5 is provided with a wastewater filtration box 7, the surface of the anaerobic treatment box 5 and the wastewater filtration box 7 is provided with a wastewater recycling treatment assembly 9, the wastewater recycling treatment assembly 9 comprises an anaerobic treatment assembly 91 and a wastewater filtration treatment assembly 92;

[0033] The anaerobic treatment assembly 91 comprises a separator 911, the separator 911 is fixedly connected to the inside top of the anaerobic treatment box 5, a water outlet 912 is formed in the top of the separator 911, reflecting plates 913 are fixedly connected to the top of the separator 911, a biogas collecting port 914 is formed in the top of the left and right sides of the anaerobic treatment box 5, a biogas tank 915 is fixedly connected to the top of the back of the anaerobic treatment box 5, collecting gas pumps 916 are installed on the left and right ends of the biogas tank 915, a biogas collecting pipe 917 is installed between the biogas tank 915 and the biogas collecting port 914, and an anaerobic treatment box drainage port 918 is formed in the right side of the anaerobic treatment box 5; when wastewater enters the inside of the anaerobic treatment box 5, the wastewater is subjected to anaerobic treatment by the internal granular sludge, organic matter in the wastewater is converted into methane and carbon dioxide, the treated wastewater overflows through the water outlet 912, and finally is discharged from the anaerobic treatment box 5 through the anaerobic treatment box drainage port 918 for next process, the biogas generated by the anaerobic treatment is refracted through the reflecting plates 913 in the rising process, and finally is collected from the biogas collecting port 914 and collected in the biogas tank 915, so that the biogas is convenient to treat in the later period; through the arrangement of the assembly, the wastewater can be efficiently harmlessly treated, the content of organic matter in the wastewater is greatly reduced, and the purification efficiency of the wastewater is improved;

[0034] The biogas collecting port 914 is provided with four groups, the collecting gas pumps 916 and the biogas collecting pipe 917 are provided with two groups;

[0035] The wastewater filtering treatment assembly 92 comprises a filter plate mounting seat 921 fixedly connected to the left and right sides inside the wastewater filtering box 7, a filter plate 922 inserted into the filter plate mounting seat 921, a first connecting seat 923 fixedly connected to the middle of the left and right sides inside the wastewater filtering box 7, a reciprocating screw rod 924 rotatably connected to the inner side of the first connecting seat 923, a second connecting seat 925 fixedly connected to the left and right sides of the front and back ends inside the wastewater filtering box 7, a sliding rod 926 fixedly connected to the inner side of the second connecting seat 925, a sliding block 927 provided on the surfaces of the reciprocating screw rod 924 and the sliding rod 926, a cleaning brush 928 fixedly connected to the bottom of the sliding block 927, a side connecting seat 929 fixedly connected to the top and bottom of the right end of the wastewater filtering box 7, a motor rack two 9201 fixedly connected to the top of the side connecting seat 929, a motor two 9202 provided in the motor rack two 9201, a rotating shaft 9203 rotatably connected to the inner side of the side connecting seat 929, a first bevel gear 9204 fixedly connected to the surface of the rotating shaft 9203, a second bevel gear 9205 fixedly connected to the right end of the reciprocating screw rod 924, and a filter plate pull-out door 9206 provided on the front of the wastewater filtering box 7. After the wastewater is treated by the anaerobic treatment assembly 91, it is treated in the wastewater filtering box 7. The impurities in the wastewater can be efficiently filtered out by a plurality of filter plates 922, so as to ensure that the discharged water is harmless and convenient for collection and recycling. In the filtering process, the motor two 9202 drives the rotating shaft 9203 and the first bevel gear 9204 to work, drives the second bevel gear 9205 and the reciprocating screw rod 924 to rotate, and drives the cleaning brush 928 at the bottom to clean the filter plate 922, so as to prevent the filter plate 922 from being blocked by impurities. The setting of the assembly can further strengthen the treatment effect and ensure the harmless treatment and discharge collection of the water source.

[0036] The filter plate 922 is provided with three groups, the first connecting seat 923, the reciprocating screw rod 924, the second connecting seat 925, the sliding rod 926, the sliding block 927 and the cleaning brush 928 are all provided on the top of the filter plate 922.

[0037] The reciprocating screw rod 924 is threadedly connected with the sliding block 927, the sliding rod 926 is slidingly connected with the sliding block 927, the first bevel gear 9204 and the second bevel gear 9205 are in mesh with each other, and the rotating shaft 9203 is fixedly connected to the bottom output end of the motor two 9202.

[0038] Example two

[0039] Please refer to Figures 1-7And on the basis of embodiment one, further get the pretreatment assembly 81 including the water inlet pipe 811, the water inlet pipe 811 is fixedly connected to the top left end of the wastewater treatment tank 1, the water inlet pipe 811 top is fixedly connected with the pretreatment box 812, the pretreatment box 812 inside front and back both ends are fixedly connected with the plug-in frame 813, the plug-in frame 813 inside is inserted with the grid filter plate 814, the grid filter plate 814 left side bottom is fixedly connected with the sundry collection plate 815, the pretreatment box 812 top is provided with the top cover 816, the top cover 816 top left end is fixedly connected with the water inlet 817;

[0040] The wastewater stirring assembly 82 includes the motor frame one 821, the motor frame one 821 is fixedly connected to the left and right ends of the wastewater treatment tank 1, the motor frame one 821 is provided with the motor one 822 inside, the motor one 822 inside is provided with the rotating shaft 823, the rotating shaft 823 surface is fixedly connected with the fixed sleeve 824, the fixed sleeve 824 surface is fixedly connected with the stirring plate 825, the stirring plate 825 surface is provided with the through groove 826, the through groove 826 inside is fixedly connected with the crushing blade 827, the wastewater treatment tank 1 left side top is fixedly connected with the mounting seat 828, the mounting seat 828 left end is fixedly connected with the dosing port 829;

[0041] The rotating shaft 823 is fixedly connected to the motor one 822 inside output end, the motor frame one 821 and the motor one 822 are provided with four groups, the rotating shaft 823 is provided with four groups;

[0042] The wastewater treatment tank 1 surface is fixedly connected with the fixed frame 2, the fixed frame 2 bottom is fixedly connected with the base 3, the wastewater treatment tank 1 bottom right end is fixedly connected with the first water pipe 4, the first water pipe 4 is installed with the first water pump 41 near the anaerobic treatment box 5 one end;

[0043] The second water pipe 6 is fixedly connected to the right end top of the anaerobic treatment box 5, the second water pipe 6 is installed with the second water pump 61 near the wastewater filter box 7 one end, the wastewater filter box 7 right end bottom is fixedly connected with the drain 71.

[0044] In the actual operation process, when the device is used, the wastewater is introduced through the water inlet 817, the wastewater advances through the grid filter plate 814, the large sundries are intercepted and left at the sundry collection plate 815, which is convenient for opening the top cover 816 for processing later, the wastewater enters the wastewater treatment tank 1, the staff adds medicine through the dosing port 829, starts the multiple motor one 822, drives the four rotating shafts 823 to rotate, multi-shaft rotary stirring, the crushing blade 827 inside the stirring plate 825 further crushes the sundries in the stirring process, and then the first water pump 41 is started to guide the wastewater into the anaerobic treatment box 5 through the first water pipe 4 for treatment;

[0045] When the wastewater enters the inside of the anaerobic treatment box 5, the internal granular sludge is used for anaerobic treatment, and the organic matter in the wastewater is converted into methane and carbon dioxide. The treated wastewater overflows through the water outlet 912 and is finally discharged from the anaerobic treatment box 5 through the anaerobic treatment box drain 918 for the next process. The biogas generated by the anaerobic treatment is refracted by the reflecting plate 913 during the rising process, and is finally collected from the biogas collection port 914 and collected in the biogas tank 915 for later treatment. Through the arrangement of the assembly, the wastewater can be efficiently treated, the content of organic matter in the wastewater is greatly reduced, and the purification efficiency of the wastewater is improved.

[0046] When the wastewater is treated by the anaerobic treatment assembly 91, it enters the wastewater filtration box 7 for treatment. A plurality of filter plates 922 can efficiently filter the impurities in the wastewater, ensure that the discharged water is harmless, and facilitate collection and recycling. During the filtration process, the motor two 9202 drives the rotating shaft 9203 and the first bevel gear 9204 to work, drives the second bevel gear 9205 and the reciprocating screw rod 924 to rotate, and drives the bottom cleaning brush 928 to clean the filter plate 922, preventing the filter plate 922 from being blocked by impurities. Through the arrangement of the assembly, the treatment effect can be further improved to ensure harmless treatment, discharge and collection of the water source.

[0047] It should be noted that in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element(s) other than the element(s) identified.

Claims

1. A pig farm wastewater treatment and recycling device, comprising a wastewater treatment tank (1), characterized in that: The wastewater treatment tank (1) is provided with a wastewater treatment mechanism (8) on the surface, the wastewater treatment mechanism (8) comprises a pretreatment assembly (81) and a wastewater stirring assembly (82), the right end of the wastewater treatment tank (1) is provided with an anaerobic treatment box (5), the right end of the anaerobic treatment box (5) is provided with a wastewater filter box (7), the surface of the anaerobic treatment box (5) and the wastewater filter box (7) is provided with a wastewater circulating treatment assembly (9), the wastewater circulating treatment assembly (9) comprises an anaerobic treatment assembly (91) and a wastewater filter treatment assembly (92); The anaerobic treatment assembly (91) comprises a separator (911), the separator (911) is fixedly connected to the inside top of the anaerobic treatment box (5), a water outlet (912) is formed in the top of the separator (911), the top of the separator (911) is fixedly connected with reflectors (913) at the front and rear ends, the top of the left and right sides of the anaerobic treatment box (5) is provided with a biogas collecting port (914) at the front and rear ends, a biogas tank (915) is fixedly connected to the top of the back of the anaerobic treatment box (5), a collection gas pump (916) is installed at the left and right ends of the biogas tank (915), a biogas collecting pipe (917) is installed between the biogas tank (915) and the biogas collecting port (914), and an anaerobic treatment box drain port (918) is formed in the right side of the anaerobic treatment box (5).

2. The pig farm wastewater treatment and recycling device according to claim 1, characterized in that: The biogas collecting port (914) is provided with four groups, and the collection gas pump (916) and the biogas collecting pipe (917) are provided with two groups.

3. The pig farm wastewater treatment and recycling device according to claim 1, characterized in that: The wastewater filter treatment assembly (92) comprises a filter plate mounting seat (921), the filter plate mounting seat (921) is fixedly connected to the inside left and right sides of the wastewater filter box (7), a filter filter plate (922) is inserted into the inside of the filter plate mounting seat (921), a first connecting seat (923) is fixedly connected to the inside left and right sides of the wastewater filter box (7), a reciprocating screw rod (924) is rotatably connected to the inside of the first connecting seat (923), a second connecting seat (925) is fixedly connected to the inside left and right sides of the wastewater filter box (7), a slide rod (926) is fixedly connected to the inside of the second connecting seat (925), a slide block (927) is arranged on the surface of the reciprocating screw rod (924) and the slide rod (926), a cleaning brush (928) is fixedly connected to the bottom of the slide block (927), a side connecting seat (929) is fixedly connected to the top and the bottom of the right end of the wastewater filter box (7), a motor rack two (9201) is fixedly connected to the top of the side connecting seat (929), a motor two (9202) is arranged in the inside of the motor rack two (9201), a rotating shaft (9203) is rotatably connected to the inside of the side connecting seat (929), a first bevel gear (9204) is fixedly connected to the surface of the rotating shaft (9203), a second bevel gear (9205) is fixedly connected to the right end of the reciprocating screw rod (924), and a filter plate extraction door (9206) is formed in the front of the wastewater filter box (7).

4. The pig farm wastewater treatment and recycling device according to claim 3, characterized in that: The filter filter plate (922) is provided with three groups, the first connecting seat (923), the reciprocating screw rod (924), the second connecting seat (925), the sliding rod (926), the sliding block (927) and the cleaning brush (928) are arranged on the top of the filter filter plate (922).

5. The pig farm wastewater treatment and recycling device according to claim 3, characterized in that: The reciprocating screw rod (924) is surface threaded with a sliding block (927), the sliding rod (926) is surface slidingly connected with a sliding block (927), the first bevel gear (9204) and the second bevel gear (9205) are intermeshed, and the rotating shaft (9203) is fixedly connected to the bottom output end of the motor two (9202).

6. The pig farm wastewater treatment and recycling device according to claim 1, characterized in that: The pretreatment assembly (81) includes a water inlet pipe (811) fixedly connected to the top left end of the wastewater treatment tank (1), a pretreatment box (812) fixedly connected to the top of the water inlet pipe (811), plug-in frames (813) fixedly connected to the inside of the pretreatment box (812) front and back, grid filter plates (814) inserted into the inside of the plug-in frames (813), and a junk collection plate (815) fixedly connected to the left bottom of the grid filter plate (814). A top cover (816) is arranged on the top of the pretreatment box (812), and a water inlet (817) is fixedly connected to the top left end of the top cover (816).

7. The pig farm wastewater treatment and recycling device according to claim 1, characterized in that: The wastewater stirring assembly (82) includes a motor rack one (821) fixedly connected to the left and right ends of the wastewater treatment tank (1), a motor one (822) arranged inside the motor rack one (821), a rotating shaft (823) arranged inside the motor one (822), a fixed sleeve (824) fixedly connected to the surface of the rotating shaft (823), a stirring plate (825) fixedly connected to the surface of the fixed sleeve (824), a through groove (826) formed in the surface of the stirring plate (825), and a crushing blade (827) fixedly connected to the inside of the through groove (826). An installation seat (828) is fixedly connected to the top left side of the wastewater treatment tank (1), and a dosing port (829) is fixedly connected to the left end of the installation seat (828).

8. The pig farm wastewater treatment and recycling device according to claim 7, characterized in that: The rotating shaft (823) is fixedly connected to the inside output end of the motor one (822), and the motor rack one (821) and the motor one (822) are provided with four groups, and the rotating shaft (823) is provided with four groups.

9. The pig farm wastewater treatment and recycling device according to claim 1, characterized in that: The surface of the wastewater treatment tank (1) is fixedly connected with a fixed frame (2), the bottom of the fixed frame (2) is fixedly connected with a base (3), the right end of the bottom of the wastewater treatment tank (1) is fixedly connected with a first water conveying pipe (4), and the first water conveying pipe (4) is provided with a first water pump (41) at one end close to the anaerobic treatment box (5).

10. The pig farm wastewater treatment and recycling device according to claim 1, characterized in that: The right end top of the anaerobic treatment box (5) is fixedly connected with a second water conveying pipe (6), the second water conveying pipe (6) is provided with a second water pump (61) at one end close to the wastewater filter box (7), and the right end bottom of the wastewater filter box (7) is fixedly connected with a drain port (71).

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