CN117902789A

CN117902789A - Biological treatment device for organic wastewater difficult to degrade

Info

Publication number: CN117902789A
Application number: CN202410311719.0A
Authority: CN
Inventors: 孙宝强; 孙培海
Original assignee: Shandong Tuolu Intelligent Equipment Co ltd
Current assignee: Shandong Tuolu Intelligent Equipment Co ltd
Priority date: 2024-03-19
Filing date: 2024-03-19
Publication date: 2024-04-19

Abstract

The invention relates to the technical field of organic wastewater treatment, and discloses a biological treatment device for organic wastewater difficult to degrade, which comprises an anaerobic reaction tank, wherein one end of the anaerobic reaction tank is communicated with a sewage inlet tank, the other end of the anaerobic reaction tank is communicated with a flocculation reaction tank, the anaerobic reaction tank is communicated with a sewage pipe, the sewage pipe is communicated with an aerobic reaction tank, the aerobic reaction tank is arranged on one side of the flocculation reaction tank, a sealing mechanism is arranged on one side, close to the flocculation reaction tank, of the inside of the anaerobic reaction tank, a fixing plate is fixedly arranged at the upper end of the aerobic reaction tank through symmetrically arranged connecting frames, a reaction shaft is rotatably arranged at the center position of the fixing plate, and a biological treatment mechanism for driving reaction leaves to work is further arranged on the fixing plate. The invention realizes the full filtration and precipitation of refractory substances of the organic wastewater, ensures the pretreatment quality of the organic wastewater before biodegradation, and improves the actual biological treatment quality of the organic wastewater by being matched with a biological treatment mechanism in an aerobic reaction tank.

Description

Biological treatment device for organic wastewater difficult to degrade

Technical Field

The invention relates to the technical field of organic wastewater treatment, in particular to a biological treatment device for organic wastewater difficult to degrade.

Background

Along with the development of industry, more and more waste water is discharged from petrochemical plants, various petrochemical products are produced, the reaction process and unit operation are complex, the properties of the waste water are complex and changeable, the content of organic matters, particularly hydrocarbons and derivatives thereof, in the waste water is high, and the waste water contains various heavy metals, and generally contains various substances such as oil, sulfur, alkali, salt, phenol and the like.

Methods for treating sewage are largely classified into physical, chemical and biological methods. The physical method and the chemical method have relatively low sewage treatment efficiency, high treatment cost, complex management and even secondary pollution to the environment, so the method cannot be well applied and popularized. In the existing sewage treatment methods, many of the high-concentration organic sewage cannot be completely treated, and secondary treatment is needed to treat the high-concentration sewage. Thus, further improvements are needed.

Disclosure of Invention

The invention aims to provide a biological treatment device for organic wastewater difficult to degrade, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions:

The utility model provides a refractory organic wastewater's biological treatment device, includes anaerobic reaction pond, anaerobic reaction pond one end intercommunication is installed into dirty pond, and the flocculation reaction pond is installed to the other end intercommunication, anaerobic reaction pond intercommunication is installed the sewer pipe, and the sewer pipe intercommunication is installed the aerobic reaction pond, and aerobic reaction pond is installed on flocculation reaction pond one side position, anaerobic reaction pond inside is close to into dirty pond one side and is provided with into bars mechanism, and anaerobic reaction pond inside is close to flocculation reaction pond one side and is provided with closing mechanism, flocculation reaction pond inside is provided with flocculation precipitation mechanism, aerobic reaction pond upper end is provided with the fixed plate through the link fixed mounting that the symmetry set up, and fixed plate central point puts to rotate and is provided with the reaction shaft, and the inside hollow structure that is of reaction shaft bottom intercommunication is installed a plurality of reaction leaves, is provided with a plurality of reacting holes on the reaction leaf, still be provided with the biological treatment mechanism that is used for driving the reaction leaf work on the fixed plate.

As an improvement scheme of the invention: the utility model provides a sewage treatment device, including advance bars mechanism, advance bars mechanism and handle the filter residue subassembly, advance bars mechanism includes that the level rotates to set up and advances the bars axle that advances in advance dirty pond inside, advance the epaxial a plurality of bars leaves that advance of installing of bars, advance dirty pond inner wall and correspond to advance bars She Weizhi intercommunication and install a plurality of dirty pipes, advance the intercommunication on the dirty pipe and install into dirty valve, advance the intercommunication on the dirty valve and install the dirt pipe, advance dirty pond outer wall fixed mounting and have the processing motor, the output of processing motor is fixed in advance bars epaxial, advance bars mechanism and still include the filter residue subassembly.

As an improvement scheme of the invention: the filter residue assembly comprises a conveying shaft which is vertically arranged inside an anaerobic reaction tank in a rotating mode, the bottom of a transmission shaft is connected to a grid inlet shaft through a gear set, a filter plate is arranged on one side, close to the sewage inlet tank, of the anaerobic reaction tank, a plurality of filter holes are formed in the filter plate, a scraper is fixedly arranged on one side, close to the filter plate, of the grid inlet shaft, a plurality of scraping brushes close to the positions of the filter holes are arranged on the scraper, and a slag discharging hopper is arranged at the bottom of the anaerobic reaction tank in correspondence to the position of the filter plate in a communicating mode.

As an improvement scheme of the invention: the sealing mechanism comprises two sealing plates which are fixedly installed in the anaerobic reaction tank in parallel, an intermediate pipeline which extends to the interior of the flocculation reaction tank is installed between the two sealing plates in a communicating manner, an upper pipeline is installed on the upper side of the sealing plate close to one side of the flocculation reaction tank in a communicating manner, one end of the upper pipeline is arranged in the anaerobic reaction tank, the other side of the upper pipeline is arranged in the flocculation reaction tank, and one end of the sewage pipe, which is far away from the aerobic reaction tank, is communicated with the interior area of the anaerobic reaction tank formed by the two sealing plates.

As an improvement scheme of the invention: the flocculation precipitation mechanism comprises a flocculation shaft which is vertically arranged inside a flocculation reaction tank in a rotating mode, a hollow structure is arranged inside the flocculation shaft, a plurality of flocculation leaves are installed on the bottom of the flocculation shaft in a communicating mode, a plurality of flocculation holes are formed in the flocculation leaves, a flocculating agent box is fixedly installed at the top of the flocculation reaction tank, a flocculating agent inlet pipe is installed on the outer wall of the flocculating agent box in a communicating mode, a flocculation shaft is arranged inside the flocculating agent box in a penetrating mode, a plurality of flocculating agent inlet holes are formed in the flocculation shaft inside the flocculating agent box, and a flocculating agent discharging bucket is installed on the bottom of the flocculation reaction tank in a communicating mode.

As an improvement scheme of the invention: the biological treatment mechanism comprises an L-shaped plate fixed on a fixed plate, an upper gear is rotatably arranged on the L-shaped plate, lower gears are symmetrically meshed with two sides of the lower end of the upper gear, a rotary disk is coaxially and fixedly arranged at the center position of the lower gear, an abutting column is fixedly arranged at the edge position of the end part of the rotary disk, an abutting frame is hinged on the abutting column, a lifting rotary assembly is arranged on one abutting frame, an aeration assembly is arranged on the other abutting frame, and a sewage discharge pipe is further arranged at the bottom of the aerobic reaction tank in a communicating mode.

As an improvement scheme of the invention: the lifting rotating assembly comprises a lifting plate which is arranged at the upper side of the reaction shaft in a rotating mode, a guide block is fixedly arranged on one side of the lifting plate, the guide block slides in a guide groove formed in an L-shaped plate, one side, close to the guide block, of the lifting plate is hinged to be installed at the bottom of one of the butt frames, positioning columns are symmetrically arranged on the lifting plate in a penetrating mode and fixed on the fixing plate, positioning springs are sleeved outside the positioning columns between the lifting plate and the fixing plate, and the lifting rotating assembly further comprises lifting rotating parts.

As an improvement scheme of the invention: the lifting rotating part comprises locking plates symmetrically fixed at the lower end face of the upper gear, locking grooves are formed in the locking plates, locking posts are slidably mounted in the locking grooves, and the locking posts are fixed at the top of the reaction shaft.

As an improvement scheme of the invention: the aeration assembly comprises an air tank arranged on a fixed plate, the bottom of the air tank is communicated with the air tank through an aeration pipe, the air tank is fixed at the bottom of the fixed plate, a reaction shaft is installed in the air tank in a penetrating way, a plurality of air inlets are arranged on the reaction shaft positioned in the air tank, an air inlet valve is also installed in the outer wall of the air tank in a communicating way, an air pressing plug is slidably installed in the air tank, an air pressing frame is fixedly arranged at the upper end of the air pressing plug, and the upper end of the air pressing frame penetrates through the air tank and is hinged to the bottom of the other butt frame.

As an improvement scheme of the invention: a belt pulley group a is arranged between the transmission shaft and the flocculation shaft, and a belt pulley group b is coaxially and fixedly arranged between the flocculation shaft and the upper gear.

Compared with the prior art, the invention has the beneficial effects that:

1. The gate feeding mechanism is arranged in the sewage feeding pool, and the flocculation precipitation mechanism is arranged in the flocculation reaction pool, so that the organic wastewater refractory substances are fully filtered and separated out, and the pretreatment quality of the organic wastewater before biodegradation is ensured;

2. The anaerobic reaction tank is arranged between the sewage inlet tank and the flocculation reaction tank, and under the cooperation of the sealing mechanism, the full anaerobic reaction quality of the organic wastewater is realized, and the anaerobic reaction tank is mutually matched with the biological treatment mechanism in the aerobic reaction tank, so that the actual biological treatment quality of the organic wastewater is greatly improved;

3. Only one motor exists in the biological treatment device of the whole organic wastewater, and under the cooperation of a plurality of belt wheel sets, the normal operation of the whole device is ensured, and the electric power operation cost of the device is further reduced.

Drawings

FIG. 1 is a schematic overall elevational view of the present invention;

FIG. 2 is a schematic diagram of the overall rear view structure of the present invention;

FIG. 3 is a schematic view of the installation structure of the flocculation reaction tank in the present invention;

FIG. 4 is a schematic cross-sectional view of a sewage inlet tank, an anaerobic reaction tank and a flocculation reaction tank in the present invention;

FIG. 5 is a schematic diagram of the overall structure of an aerobic reaction tank in the invention;

FIG. 6 is a schematic cross-sectional view of an aerobic reaction tank according to the present invention;

FIG. 7 is a schematic view of a lifting and rotating assembly according to the present invention;

FIG. 8 is a schematic view of the enlarged partial structure of FIG. 4A;

fig. 9 is a partially enlarged schematic view of the structure of fig. 6B.

In the figure: 1. a sewage inlet pool; 2. an anaerobic reaction tank; 3. a flocculation reaction tank; 4. an aerobic reaction tank; 5. a sewage pipe; 6. a dirt guide pipe; 7. processing the motor; 8. a blow-down pipe; 9. a flocculation discharging hopper; 10. a sewage inlet valve; 11. a flocculating agent inlet pipe; 12. a flocculation shaft; 13. a slag discharge hopper; 14. a transmission shaft; 15. a belt pulley group a; 16. a flocculant tank; 17. a belt pulley group b; 18. an L-shaped plate; 19. a fixing plate; 20. a connecting frame; 21. a sewage inlet pipe; 22. flocculating leaves; 23. flocculation holes; 24. feeding grid leaves; 25. a gate inlet shaft; 26. a filter plate; 27. a gear set; 28. a gas compressing frame; 29. a feed port; 30. an upper pipeline; 31. an intermediate pipe; 32. a closing plate; 33. a scraper; 34. scraping and brushing; 35. a top gear; 36. a lower gear; 37. a rotating disc; 38. abutting the column; 39. the abutting frame; 40. a lifting plate; 41. a reaction shaft; 42. an aeration box; 43. an air pressing box; 44. a guide groove; 45. a reaction leaf; 46. a reaction hole; 47. an air inlet hole; 48. pressing an air plug; 49. an aeration pipe; 50. a guide block; 51. positioning columns; 52. a positioning spring; 53. a locking groove; 54. a locking post; 55. and a locking plate.

Detailed Description

It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention, and furthermore, the terms "first", "second", etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance or implying a number of the indicated technical features, whereby the features defining "first", "second", etc. may explicitly or implicitly include one or more of such features.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or by communication between two elements, the specific meaning of the terms in the present disclosure will be understood by those skilled in the art in view of the specific circumstances.

The invention will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

Referring to fig. 1 to 9, in an embodiment of the present invention, a biological treatment apparatus for organic wastewater difficult to degrade includes an anaerobic reaction tank 2 for implementing anaerobic biological treatment reaction of the organic wastewater, wherein one end of the anaerobic reaction tank 2 is connected with a sewage inlet tank 1, the other end is connected with a flocculation reaction tank 3 for sufficiently flocculating and precipitating flocculated ions contained in the wastewater and discharging the flocculated ions, the anaerobic reaction tank 2 is connected with a sewage pipe 5, the sewage pipe 5 is connected with an aerobic reaction tank 4 for implementing aerobic bacterial aeration biological treatment of the organic wastewater, the aerobic reaction tank 4 is installed at a position on one side of the flocculation reaction tank 3, a gate inlet mechanism is arranged on one side of the anaerobic reaction tank 2 close to the sewage inlet tank 1 for effectively filtering and discharging visible particle impurities existing in the organic wastewater, the anaerobic reaction tank 2 is internally provided with a sealing mechanism on one side close to the flocculation reaction tank 3, thereby forming a sealed reaction space inside the anaerobic reaction tank 2, the flocculation reaction tank 3 is internally provided with a flocculation precipitation mechanism for guaranteeing effective precipitation of flocculation precipitation in wastewater, the upper end of the aerobic reaction tank 4 is fixedly provided with a fixing plate 19 through a symmetrically arranged connecting frame 20, the central position of the fixing plate 19 is rotationally provided with a reaction shaft 41, the reaction shaft 41 is internally of a hollow structure, the bottom of the reaction shaft 41 is communicated with a plurality of reaction leaves 45, the reaction leaves 45 are provided with a plurality of reaction holes 46, and the fixing plate 19 is also provided with a biological treatment mechanism for driving the reaction leaves 45 to work and guaranteeing full aeration biological reaction of aerobic bacteria.

In the whole biological treatment device is entered into to sewage, at first carry out effective reposition of redundant personnel under advancing the effect of bars mechanism for the sedimentation of the granule impurity that waste water contained in the waste water is accelerated under centrifugal force effect, and on the other hand will not be the sedimentation impurity granule carry out abundant filtration discharge, specifically, advance bars mechanism including horizontal rotation setting up advance bars axle 25 in advance dirty pond 1 inside, advance the bars axle 25 and install a plurality of bars leaves 24 that advance, advance dirty pond 1 inner wall and correspond advance bars leaf 24 position intercommunication and install a plurality of dirt pipes 21, advance dirty valve 10 of intercommunication installation on the dirt pipe 21, advance dirty valve 10 on the intercommunication installation and lead dirty pipe 6, advance dirty pond 1 outer wall fixed mounting and have treatment motor 7, the output of treatment motor 7 is fixed on advancing bars axle 25, advance bars mechanism still includes the filter residue subassembly.

The filter residue assembly comprises a conveying shaft which is vertically and rotatably arranged inside the anaerobic reaction tank 2, the bottom of a transmission shaft 14 is connected to a grid shaft 25 through a gear set 27, a filter plate 26 is arranged on one side, close to the sewage inlet tank 1, of the anaerobic reaction tank 2, a plurality of filter holes are formed in the filter plate 26, a scraper 33 is fixedly arranged on one side, close to the filter plate 26, of the grid shaft 25, a plurality of scraping brushes 34 close to the positions of the filter holes are arranged on the scraper 33, and a slag discharge hopper 13 is arranged at the bottom of the anaerobic reaction tank 2, corresponding to the position of the filter plate 26, in a communicating manner.

The processing motor 7 is started to drive the gate inlet shaft 25 to directly rotate, so that the gate inlet blade 24 rotates on one hand, and the scraping brush 34 rotates on the other hand, so that impurity particles filtered out of the filter plate 26 are scraped, the blocking phenomenon of filter holes is avoided, the generated impurities are discharged through the slag discharge hopper 13, and the reliability of the whole biological processing device is further ensured.

The sewage after impurity removal firstly enters the flocculation reaction tank 3 under the action of a sealing mechanism, then clear liquid on the upper surface of the flocculation reaction tank 3 reversely enters the anaerobic reaction tank 2 to carry out biological reaction of anaerobic bacteria, and specifically, the sealing mechanism comprises two sealing plates 32 which are fixedly installed in the anaerobic reaction tank 2 in parallel, an intermediate pipeline 31 which extends to the inside of the flocculation reaction tank 3 is installed between the two sealing plates 32 in a communicating manner, an upper pipeline 30 is installed on the upper side position of the sealing plate 32 close to one side of the flocculation reaction tank 3 in a communicating manner, one end of the upper pipeline 30 is arranged in the anaerobic reaction tank 2, the other side of the upper pipeline 30 is arranged in the flocculation reaction tank 3, and one end of a sewage pipe 5 far away from the aerobic reaction tank 4 is arranged on the inner area of the anaerobic reaction tank 2 formed by the two sealing plates 32 in a communicating manner. The sewage enters the flocculation reaction tank 3 through the middle pipeline 31, the flocculation precipitation is fully performed in the flocculation reaction tank 3 under the action of the flocculation precipitation mechanism, and the supernatant of the flocculate enters the anaerobic reaction tank 2 through the upper pipeline 30 for anaerobic biological reaction.

In the case of this embodiment, flocculation precipitation mechanism includes vertical rotation setting at the inside flocculation axle 12 of flocculation reaction tank 3, and flocculation axle 12 is inside to be hollow structure, a plurality of flocculation leaves 22 are installed to flocculation axle 12 bottom intercommunication, are provided with a plurality of flocculation holes 23 on the flocculation leaf 22, flocculation reaction tank 3 top fixed mounting has flocculating agent case 16, and flocculating agent case 16 outer wall intercommunication is installed flocculating agent and is advanced pipe 11, the inside cross-under of flocculating agent case 16 is provided with flocculation axle 12, is located and is provided with a plurality of feed openings 29 on the inside flocculation axle 12 of flocculating agent case 16, flocculating agent bucket 9 is installed in the intercommunication of flocculation reaction tank 3 bottom.

During operation, the flocculant is introduced into the flocculant box 16 through the flocculant inlet pipe 11, then enters the flocculation shaft 12 under the action of the flocculant inlet holes 29, and then is introduced into the flocculation reaction tank 3 to be fully mixed with sewage for reaction through the flocculation holes 23 on the flocculation leaves 22, so that the generation of flocculated sediment is accelerated, and finally the treatment quality of the biological treatment device is ensured.

Sewage enters the aerobic reaction tank 4 after flocculation precipitation and anaerobic biological reaction, and then aerobic biological reaction is carried out under the action of a biological treatment mechanism, specifically, the biological treatment mechanism comprises an L-shaped plate 18 fixed on a fixed plate 19, an upper gear 35 is rotatably arranged on the L-shaped plate 18, two sides of the lower end of the upper gear 35 are symmetrically meshed with a lower gear 36, a rotating disk 37 is coaxially and fixedly arranged at the center position of the lower gear 36, an abutting column 38 is fixedly arranged at the edge position of the end part of the rotating disk 37, abutting frames 39 are hinged on the abutting columns 38, a lifting rotating component is arranged on one abutting frame 39, an aeration component is arranged on the other abutting frame 39, and a sewage drain pipe 8 is further arranged at the bottom of the aerobic reaction tank 4 in a communicating manner.

The lifting rotating assembly comprises a lifting plate 40 which is rotatably arranged at the upper side of a reaction shaft 41, a guide block 50 is fixedly arranged on one side of the lifting plate 40, the guide block 50 slides in a guide groove 44 formed in an L-shaped plate 18, one side of the lifting plate 40, which is close to the guide block 50, is hinged to the bottom of one of the supporting frames 39, a positioning column 51 is symmetrically arranged on the lifting plate 40 in a penetrating way, the positioning column 51 is fixed on a fixed plate 19, a positioning spring 52 is sleeved outside the positioning column 51 between the lifting plate 40 and the fixed plate 19, and the lifting rotating assembly further comprises a lifting rotating part.

The lifting rotating part comprises a locking plate 55 symmetrically fixed at the lower end surface of the upper gear 35, a locking groove 53 is formed in the locking plate 55, a locking post 54 is slidably mounted in the locking groove 53, and the locking post 54 is fixed at the top of the reaction shaft 41.

In addition, in this embodiment, the aeration assembly includes a gas tank 43 installed on the fixing plate 19, an aeration tank 42 fixed on the bottom of the fixing plate 19 is installed at the bottom of the gas tank 43 through an aeration pipe 49, a reaction shaft 41 is installed inside the aeration tank 42 in a penetrating manner, a plurality of air inlet holes 47 are provided on the reaction shaft 41 inside the aeration tank 42, an air inlet valve is also installed on the outer wall of the gas tank 43 in a communicating manner, and one-way valves are respectively provided inside the air inlet valve and the aeration pipe 49, so that one-way circulation of gas is ensured, a gas pressing plug 48 is installed inside the gas tank 43 in a sliding manner, a gas pressing frame 28 is fixedly installed at the upper end of the gas pressing plug 48, and the upper end of the gas pressing frame 28 is installed at the bottom of another abutting frame 39 in a hinged manner through the gas tank 43.

The working process of the biological treatment mechanism is as follows: in the rotation process of the upper gear 35, on one hand, under the action of the locking plate 55 and the locking post 54, the reaction shaft 41 is synchronously rotated, on the other hand, the lower gear 36 is mutually meshed, so that the two rotating disks 37 are synchronously rotated, then under the cooperation between one group of the abutting posts 38 and the abutting frame 39, the lifting plate 40 drives the reaction shaft 41 in a rotating state to reciprocate up and down under the limiting action of the guide block 50 and the guide groove 44, and the other group of the abutting posts 38 and the abutting frame 39 make the air plug 48 move up and down in the air box 43 under the action of the air frame 28, so that oxygen in the external environment is guided into the reaction shaft 41 under the action of the air box 42 and the air inlet hole 47, and then enters the sewage through the reaction hole 46, so as to ensure the biological reaction purpose of aerobic bacteria.

Example 2

In addition, in order to further reduce the running cost of the device, the invention also provides another embodiment which is different from the above embodiment in that a belt pulley group a15 is arranged between the transmission shaft 14 and the flocculation shaft 12, and a belt pulley group b17 is fixedly arranged coaxially between the flocculation shaft 12 and the upper gear 35. Through the mutual matching of the two belt pulley groups, the treatment motor 7 can drive the grid feeding mechanism, the flocculation precipitation mechanism and the biological reaction mechanism to synchronously operate when being started.

To sum up, firstly, sewage enters the device through the sewage guide pipe 6, then the sedimentation of visible particle impurities is carried out under the action of the grid inlet mechanism, then after flocculation sedimentation is carried out under the action of the flocculation sedimentation mechanism, the sewage continues to carry out anaerobic bacteria full biological reaction in the anaerobic reaction tank 2, then the sewage enters the aerobic reaction tank 4, and then the full aerobic bacteria aeration biological reaction is carried out under the action of the biological treatment mechanism, so that the whole sewage treatment process is rapid and convenient.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims

1. The utility model provides a difficult degradation organic wastewater's biological treatment device, includes anaerobic reaction pond (2), its characterized in that: anaerobic reaction pond (2) one end intercommunication is installed into dirty pond (1), and flocculation reaction pond (3) are installed to the other end intercommunication, sewage pipe (5) are installed in anaerobic reaction pond (2) intercommunication, and aerobic reaction pond (4) are installed in sewage pipe (5) intercommunication, and aerobic reaction pond (4) are installed on flocculation reaction pond (3) one side position, anaerobic reaction pond (2) inside is provided with into bars mechanism near dirty pond (1) one side, and anaerobic reaction pond (2) inside is provided with closing mechanism near flocculation reaction pond (3) one side, flocculation reaction pond (3) inside is provided with flocculation precipitation mechanism, aerobic reaction pond (4) upper end is through link (20) fixed mounting that the symmetry set up fixed plate (19), and fixed plate (19) central point puts and rotates and is provided with reaction axle (41), and inside hollow structure of reaction axle (41) bottom intercommunication is installed a plurality of reaction leaf (45), is provided with a plurality of reaction holes (46) on reaction leaf (45), still be provided with on fixed plate (19) and be used for driving biological processing mechanism (45).

2. The biological treatment device for the organic wastewater difficult to degrade according to claim 1, wherein the gate feeding mechanism comprises a gate feeding shaft (25) horizontally rotatably arranged in the sewage feeding tank (1), a plurality of gate feeding blades (24) are arranged on the gate feeding shaft (25), a plurality of sewage feeding pipes (21) are arranged on the inner wall of the sewage feeding tank (1) in a position corresponding to the gate feeding blades (24) in a communicating manner, a sewage feeding valve (10) is arranged on the sewage feeding pipes (21) in a communicating manner, a sewage guide pipe (6) is arranged on the sewage feeding valve (10) in a communicating manner, a treatment motor (7) is fixedly arranged on the outer wall of the sewage feeding tank (1), and the output end of the treatment motor (7) is fixed on the gate feeding shaft (25), and the gate feeding mechanism further comprises a filter residue component.

3. The biological treatment device for the organic wastewater difficult to degrade according to claim 2, wherein the filter residue assembly comprises a conveying shaft which is vertically and rotatably arranged in the anaerobic reaction tank (2), the bottom of a transmission shaft (14) is connected to a grid inlet shaft (25) through a gear set (27), a filter plate (26) is arranged on one side of the anaerobic reaction tank (2) close to the sewage inlet tank (1), a plurality of filter holes are formed in the filter plate (26), a scraper (33) is fixedly arranged on one side of the grid inlet shaft (25) close to the filter plate (26), a plurality of scraping brushes (34) close to the filter holes are arranged on the scraper (33), and a slag discharging hopper (13) is arranged on the bottom of the anaerobic reaction tank (2) in a position corresponding to the filter plate (26) in a communicating manner.

4. A biological treatment device for organic wastewater difficult to degrade according to claim 3, wherein the sealing mechanism comprises two sealing plates (32) which are fixedly installed in parallel in the anaerobic reaction tank (2), an intermediate pipeline (31) which extends to the interior of the flocculation reaction tank (3) is installed between the two sealing plates (32) in a communicating manner, an upper pipeline (30) is installed in a communicating manner at the upper side position of the sealing plate (32) which is close to one side of the flocculation reaction tank (3), one end of the upper pipeline (30) is arranged in the anaerobic reaction tank (2), the other end of the upper pipeline (30) is arranged in the flocculation reaction tank (3), and one end of the sewage pipe (5) which is far away from the aerobic reaction tank (4) is arranged on the inner area of the anaerobic reaction tank (2) formed by the two sealing plates (32) in a communicating manner.

5. The biological treatment device for the organic wastewater difficult to degrade according to claim 4, wherein the flocculation precipitation mechanism comprises a flocculation shaft (12) vertically arranged inside a flocculation reaction tank (3), the flocculation shaft (12) is of a hollow structure, a plurality of flocculation leaves (22) are installed at the bottom of the flocculation shaft (12) in a communicating manner, a plurality of flocculation holes (23) are formed in the flocculation leaves (22), a flocculation tank (16) is fixedly installed at the top of the flocculation reaction tank (3), a flocculation inlet pipe (11) is installed at the outer wall of the flocculation tank (16) in a communicating manner, a flocculation shaft (12) is arranged in the flocculation tank (16) in a penetrating manner, a plurality of flocculation inlet holes (29) are formed in the flocculation shaft (12) inside the flocculation tank (16), and a flocculation discharge hopper (9) is installed at the bottom of the flocculation reaction tank (3) in a communicating manner.

6. The biological treatment device for the organic wastewater difficult to degrade according to claim 5, wherein the biological treatment mechanism comprises an L-shaped plate (18) fixed on a fixed plate (19), an upper gear (35) is rotatably arranged on the L-shaped plate (18), lower gears (36) are symmetrically meshed with the two sides of the lower end of the upper gear (35), a rotating disc (37) is coaxially and fixedly arranged at the central position of the lower gear (36), an abutting column (38) is fixedly arranged at the edge position of the end part of the rotating disc (37), an abutting frame (39) is hinged on the abutting column (38), a lifting rotating component is arranged on one abutting frame (39), an aeration component is arranged on the other abutting frame (39), and a sewage drain pipe (8) is further arranged at the bottom of the aerobic reaction tank (4) in a communicating mode.

7. The biological treatment device for organic wastewater difficult to degrade according to claim 6, wherein the lifting rotating assembly comprises a lifting plate (40) rotatably arranged at the upper side of the reaction shaft (41), a guide block (50) is fixedly arranged on one side of the lifting plate (40), the guide block (50) slides in a guide groove (44) arranged on the L-shaped plate (18), one side of the lifting plate (40) close to the guide block (50) is hinged to the bottom of one of the abutting frames (39), positioning columns (51) are symmetrically arranged on the lifting plate (40) in a penetrating manner, the positioning columns (51) are fixed on the fixed plate (19), positioning springs (52) are sleeved outside the positioning columns (51) between the lifting plate (40) and the fixed plate (19), and the lifting rotating assembly further comprises lifting rotating parts.

8. The biological treatment device for organic wastewater difficult to degrade according to claim 7, wherein the lifting rotating part comprises a locking plate (55) symmetrically fixed at the lower end surface position of the upper gear (35), a locking groove (53) is arranged on the locking plate (55), a locking post (54) is slidably arranged in the locking groove (53), and the locking post (54) is fixed at the top position of the reaction shaft (41).

9. The biological treatment device for the organic wastewater difficult to degrade according to claim 8, wherein the aeration assembly comprises a gas tank (43) arranged on a fixed plate (19), an aeration tank (42) fixed on the bottom position of the fixed plate (19) is arranged at the bottom of the gas tank (43) in a communicating manner through an aeration pipe (49), a reaction shaft (41) is arranged in the aeration tank (42) in a penetrating manner, a plurality of gas inlet holes (47) are formed in the reaction shaft (41) in the aeration tank (42), an air inlet valve is further arranged on the outer wall of the gas tank (43) in a communicating manner, a gas pressing plug (48) is arranged in the gas tank (43) in a sliding manner, a gas pressing frame (28) is fixedly arranged at the upper end of the gas pressing plug (48), and the upper end of the gas pressing frame (28) passes through the gas tank (43) to be hinged to be arranged at the bottom position of the other abutting frame (39).

10. Biological treatment device for organic waste water difficult to degrade according to claim 9, characterized in that a belt pulley group a (15) is installed between the transmission shaft (14) and the flocculation shaft (12), and a belt pulley group b (17) is coaxially and fixedly installed between the flocculation shaft (12) and the upper gear (35).