CN111620526A

CN111620526A - A hierarchical high-efficient processing mechanism of sewage for environmental protection

Info

Publication number: CN111620526A
Application number: CN202010532111.2A
Authority: CN
Inventors: 蔡华成; 蔡婧婕
Original assignee: Shandong Dinglu Construction Co ltd
Current assignee: Shandong Dinglu Construction Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2020-09-04

Abstract

The invention relates to the field of sewage treatment, in particular to an environment-friendly sewage grading high-efficiency treatment mechanism which comprises a sewage treatment box body, a waste residue recovery mechanism, an aeration treatment mechanism, an exhaust treatment box and a water purification treatment box, wherein the inside of the sewage treatment box body is sequentially provided with a pre-precipitation chamber, a coagulating precipitation chamber, a primary oxidation chamber, a secondary oxidation chamber and an inclined tube precipitation chamber from left to right; after sewage is handled at the final stage, the water purification treatment case has been increased, can effectual tiny silt of filtration through the cotton filter core of PP in the water purification treatment case, the naked eye visible matters such as iron rust, the honeycomb granule active carbon filter core can adsorb the chlorine residue in aquatic, the colloid, get rid of the heterochrosis peculiar smell, RO reverse osmosis membrane filter core has increased filter area, can the bacterium of accurate filtration aquatic, the incrustation scale, harmful substance such as heavy metal, hyperfine fiber active carbon filter core then further filters the water source, play the effect of improving quality of water, thereby the throughput has been improved.

Description

A hierarchical high-efficient processing mechanism of sewage for environmental protection

Technical Field

The invention relates to the field of sewage treatment, in particular to an environment-friendly sewage grading high-efficiency treatment mechanism.

Background

Sewage, which generally refers to effluent water from domestic and production, which is contaminated to some extent, is mainly domestic sewage, industrial wastewater and initial rainwater, and the main pollutants of sewage are pathogen pollutants, oxygen-consuming pollutants, plant nutrients, toxic pollutants and the like, can be defined as liquid or water carrying wastes mixed with underground water, surface water, storm snow and the like discharged from residential, institutional, commercial or industrial areas from the viewpoint of sewage source, and has many categories, and accordingly, there are many techniques and processes for reducing the environmental impact of sewage.

The industrial sewage that different enterprises produced is different, contains more impurity in most industrial sewage, when carrying out sewage treatment only simple filtration can, filter the large granule dirt in the sewage during filtration treatment, can't filter the dirt of tiny granule, so current sewage filter equipment is not thorough enough when filtering the dirt, often still need carry out secondary treatment after filtering, can reduce sewage treatment's efficiency like this.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides an environment-friendly sewage grading and high-efficiency treatment mechanism.

The technical scheme adopted by the invention for solving the technical problems is as follows: a sewage classification high-efficiency treatment mechanism for environmental protection comprises a sewage treatment box body, a waste residue recovery mechanism, an aeration treatment mechanism, an exhaust treatment box and a water purification treatment box, wherein the inside of the sewage treatment box body is sequentially provided with a pre-precipitation chamber, a coagulating precipitation chamber, a first-level oxidation chamber, a second-level oxidation chamber and an inclined tube precipitation chamber from left to right, a sewage inlet is arranged on the side wall of the pre-precipitation chamber, a stirrer is arranged in the coagulating precipitation chamber, the lower end of the inside of the coagulating precipitation chamber is provided with a turbulent flow guide tube, the first-level biological oxidation fluidized bed is arranged in the first-level oxidation chamber, the second-level biological oxidation fluidized bed is arranged in the second-level oxidation chamber, an inclined tube filler is arranged in the inclined tube precipitation chamber, a through hole is arranged on the side wall of the pre-precipitation chamber adjacent to the coagulating precipitation chamber, and a first water, install the second water-locator on the adjacent lateral wall of first order oxidation chamber and second order oxidation chamber, install the third water-locator on the adjacent lateral wall of second order oxidation chamber and pipe chute deposit room, waste residue recovery mechanism is linked together with preliminary sedimentation chamber, coagulating sedimentation chamber, first order oxidation chamber, second order oxidation chamber and pipe chute deposit room respectively through the pipeline, aeration treatment mechanism locates in first order oxidation chamber and the second order oxidation chamber separately, the exhaust treatment case is linked together with first order oxidation chamber and second order oxidation chamber, the water purification treatment case is linked together with the pipe chute deposit room.

Specifically, the access cover is all installed at the top of preliminary sedimentation chamber, coagulating sedimentation chamber, one-level oxidation chamber, second grade oxidation chamber and pipe chute sedimentation chamber, the drive division of agitator is located coagulating sedimentation chamber's outer top, and the drive division outside of agitator is covered with the dust cover.

Specifically, the turbulence guide cylinder is an oval funnel structure, the turbulence guide cylinder is located below the stirrer, the peripheral edge of the turbulence guide cylinder is closely attached to the inner wall of the coagulating sedimentation chamber, and the bottom of the turbulence guide cylinder is spaced from the inner bottom of the coagulating sedimentation chamber.

Specifically, waste residue recovery mechanism includes diaphragm pump, blow off pipe and butterfly valve, the blow off pipe passes through flange joint in the entrance point of diaphragm pump, the external pressure filter of pipeline is passed through to the exit end of diaphragm pump, the blow off pipe is connected with preliminary sedimentation chamber, coagulating sedimentation chamber, one-level oxidation chamber, second grade oxidation chamber and pipe chute sedimentation chamber respectively through the lateral conduit above that, the butterfly valve corresponds installs on the lateral conduit on the blow off pipe.

Specifically, the aeration treatment mechanism includes oxygen-increasing machine, oxygen feed pipe and aeration disc, the oxygen feed pipe passes through flange joint on the output port of oxygen-increasing machine, and the other end of oxygen feed pipe is connected with the aeration disc through branch pipeline on it, and the ball valve is installed to the branch pipeline on the oxygen feed pipe, the interior bottom of primary oxidation room and second grade oxidation room is located to the aeration disc branch.

Specifically, exhaust treatment box includes shell body, axial fan, active carbon filter screen, ultraviolet sterilamp and ULPA filter screen are installed in the shell body from bottom to top in proper order.

Specifically, the air inlet has been seted up to the bottom of shell body, the fan housing is installed to axial fan's air inlet end, the air outlet has been seted up at the top of shell body.

Concretely, the water treatment tank includes outer box, case lid, the cotton filter core of PP, honeycomb granule activated carbon filter core, RO reverse osmosis membrane filter core and super fine fibre activated carbon filter core, the case lid articulates on the case mouth of box through the articulated elements, the cotton filter core of PP, honeycomb granule activated carbon filter core, RO reverse osmosis membrane filter core and super fine fibre activated carbon filter core are each other through the pipe connection respectively, the entrance point of the cotton filter core of PP is connected with the pipe chute drip chamber through the pipeline, the exit end of super fine fibre activated carbon filter core extends to outside the box through the pipeline.

The invention has the beneficial effects that:

(1) according to the sewage grading high-efficiency treatment mechanism for environmental protection, the indoor suspension body can be prevented from sinking by utilizing the aeration generated by the aeration treatment mechanism, and the purpose of contact of indoor organic matters with microorganisms and dissolved oxygen is enhanced, so that the organic matters in sewage are oxidized and decomposed by the indoor microorganisms under the condition of sufficient dissolved oxygen, and further, the decomposed small-particle dirt is effectively precipitated and removed by the inclined-tube precipitation chamber.

(2) According to the sewage grading high-efficiency treatment mechanism for environmental protection, in the aeration process, the emitted dirty gas is introduced into the exhaust treatment box through the axial flow fan, and then is purified through the activated carbon filter screen, the ultraviolet sterilizing lamp and the ULPA filter screen in sequence, so that dust particles such as particles, smell and microorganisms can be filtered, and the purposes of purifying waste gas and decomposing harmful organic matters are achieved.

(3) According to the environment-friendly sewage grading high-efficiency treatment mechanism, after sewage is treated in the final stage, the water purification treatment box is additionally arranged, visible objects such as fine silt, rust and the like can be effectively filtered through the PP cotton filter element in the water purification treatment box, the honeycomb particle activated carbon filter element can adsorb residual chlorine and colloid in water and remove peculiar smell, the RO reverse osmosis membrane filter element increases the filtering area and can accurately filter harmful substances such as bacteria, incrustation, heavy metals and the like in water, and the ultra-fine fiber activated carbon filter element further filters a water source to play a role in improving water quality, so that the treatment capacity is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a sewage grading and high-efficiency treatment mechanism for environmental protection provided by the invention;

FIG. 2 is a sectional view of a sewage grading and high-efficiency treatment mechanism for environmental protection provided by the invention;

FIG. 3 is a schematic structural view of a waste residue recycling mechanism of the environmental-friendly sewage grading and high-efficiency treatment mechanism provided by the invention;

FIG. 4 is a schematic structural view of an aeration treatment mechanism of the sewage grading high-efficiency treatment mechanism for environmental protection provided by the invention;

FIG. 5 is a schematic structural view of an exhaust treatment tank of the sewage grading and high-efficiency treatment mechanism for environmental protection provided by the invention;

FIG. 6 is a schematic structural view of a water purification tank of an environmentally friendly sewage grading and high-efficiency treatment mechanism provided by the invention.

In the figure: 1. a sewage treatment tank body; 2. a waste residue recovery mechanism; 3. an aeration treatment mechanism; 4. an exhaust treatment tank; 5. a water purification treatment tank; 6. a pre-settling chamber; 7. a coagulating sedimentation chamber; 8. a primary oxidation chamber; 9. a secondary oxidation chamber; 10. an inclined tube settling chamber; 11. a sewage inlet; 12. a stirrer; 13. a turbulent flow guide cylinder; 14. a first-stage biological oxidation fluidized bed; 15. a secondary biological oxidation fluidized bed; 16. filling the inclined tube; 17. a through opening; 18. a first water distribution pipe; 19. a second water distribution pipe; 20. a third water distribution pipe; 21. an access cover; 22. a dust cover; 23. a diaphragm pump; 24. a blow-off pipe; 25. a butterfly valve; 26. an aerator; 27. an oxygen supply pipe; 28. a ball valve; 29. an aeration disc; 30. an outer housing; 31. an axial flow fan; 32. an active carbon filter screen; 33. an ultraviolet sterilizing lamp; 34. a ULPA filter screen; 35. an air inlet; 36. a fan housing; 37. an air outlet; 38. an outer case; 39. a box cover; 40. a PP cotton filter element; 41. a honeycomb particle activated carbon filter element; 42. an RO reverse osmosis membrane filter element; 43. hyperfine fiber active carbon filter core.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-6, the present invention provides an environment-friendly sewage grading high-efficiency treatment mechanism, which comprises a sewage treatment box 1, a waste residue recovery mechanism 2, an aeration treatment mechanism 3, an exhaust treatment box 4 and a water purification treatment box 5, wherein the inside of the sewage treatment box 1 is provided with a pre-precipitation chamber 6, a coagulating sedimentation chamber 7, a primary oxidation chamber 8, a secondary oxidation chamber 9 and an inclined tube precipitation chamber 10 from left to right, the side wall of the pre-precipitation chamber 6 is provided with a sewage inlet 11, the coagulating sedimentation chamber 7 is provided with a stirrer 12, the lower end of the inside of the coagulating sedimentation chamber 7 is provided with a turbulent flow guide tube 13, the primary oxidation chamber 8 is provided with a primary biological oxidation fluidized bed 14, the secondary oxidation chamber 9 is provided with a secondary biological oxidation fluidized bed 15, the inclined tube precipitation chamber 10 is provided with an inclined tube filler 16, the side wall of the pre-precipitation chamber 6 adjacent to the coagulating sedimentation chamber 7 is provided with a through hole 17, the side wall of the coagulating sedimentation chamber 7 adjacent to the first-stage oxidation chamber 8 is provided with a first water distribution pipe 18, the side wall of the first-stage oxidation chamber 8 adjacent to the second-stage oxidation chamber 9 is provided with a second water distribution pipe 19, the side wall of the second-stage oxidation chamber 9 adjacent to the inclined-tube sedimentation chamber 10 is provided with a third water distribution pipe 20, the waste residue recovery mechanism 2 is respectively communicated with the pre-sedimentation chamber 6, the coagulating sedimentation chamber 7, the first-stage oxidation chamber 8, the second-stage oxidation chamber 9 and the inclined-tube sedimentation chamber 10 through pipelines, the aeration treatment mechanism 3 is respectively arranged in the first-stage oxidation chamber 8 and the second-stage oxidation chamber 9, the aeration generated by the aeration treatment mechanism 3 can prevent indoor suspension from sinking, and simultaneously the purpose of contacting indoor organic matters with microorganisms and dissolved oxygen is strengthened, thereby ensuring that the indoor microorganisms have oxidative decomposition effect on the organic matters in the sewage under the condition of sufficient dissolved oxygen, the exhaust treatment box 4 is communicated with the primary oxidation chamber 8 and the secondary oxidation chamber 9, in the aeration process, the dispersed dirty gas is introduced into the exhaust treatment box 4 through the axial flow fan 31 and then passes through the activated carbon filter screen 32, the ultraviolet sterilization lamp 33 and the ULPA filter screen 34 in sequence for purification treatment, dust particles such as particles, smell and microorganisms can be filtered, so as to achieve the purposes of purifying waste gas and decomposing harmful organic matters, the water purification treatment box 5 is communicated with the inclined tube sedimentation chamber 10, after the sewage is treated in the final stage, the water purification treatment box 5 is added, visible matters such as fine silt, iron rust and the like can be effectively filtered through the PP cotton filter element 40 in the water purification box 5, the honeycomb particle activated carbon filter element 41 can adsorb residual chlorine and colloid in the water and remove abnormal color and peculiar smell, the RO membrane filter element 42 increases the filtering area and can accurately filter bacteria in the water, harmful substances such as water scale, heavy metals and the like, and the ultra-fine fiber activated carbon filter element 43 further filters the water source, so that the effect of improving the water quality is achieved, and the treatment capacity is improved.

Specifically, the top of the pre-precipitation chamber 6, the coagulating sedimentation chamber 7, the primary oxidation chamber 8, the secondary oxidation chamber 9 and the inclined tube precipitation chamber 10 is provided with an access cover 21, the driving part of the stirrer 12 is positioned at the outer top of the coagulating sedimentation chamber 7, the outer side of the driving part of the stirrer 12 is covered with a dust cover 22, the maintenance can be conveniently carried out through the access cover 21, and the dust cover 22 plays a role in protecting the driving part of the stirrer 12, wherein the primary biological oxidation fluidized bed 14 positioned in the primary oxidation chamber 8 and the secondary biological oxidation fluidized bed 15 positioned in the secondary oxidation chamber 9 both adopt a three-dimensional hollow filler as an aerobic biological carrier, the filler is of a hollow structure, after normal operation, the filler is suspended in water, anaerobic bacteria grow inside the filler, denitrification effect can be generated to remove nitrogen, aerobic bacteria grow outside, organic matters are removed, and a nitrification process and a denitrification process exist simultaneously in the whole treatment process, the inclined tube filling 16 in the inclined tube settling chamber 10 is made of polypropylene materials, is mainly used for various settling and sand removing effects, has large wet period, small hydraulic radius and good laminar flow state, ensures that particle settling is not interfered by flocculation flow, has the treatment capacity 3-5 times that of a horizontal flow settling tank, and has the treatment capacity 2-3 times that of an accelerated settling tank and a pulse settling tank.

Specifically, turbulence guide tube 13 is oval form funnel structure, turbulence guide tube 13 is located the below of agitator 12, turbulence guide tube 13's outer surrounding edge and coagulating sedimentation chamber 7 inner wall driving fit all around, and turbulence guide tube 13's bottom is apart from coagulating sedimentation chamber 7's interior bottom headspace, after coagulating sedimentation chamber 7 adds the flocculating agent, when stirring through agitator 12, utilizes centrifugal force, makes the impurity of subsiding fall into coagulating sedimentation chamber 7's interior bottom along turbulence guide tube 13.

Specifically, the waste residue recovery mechanism 2 comprises a diaphragm pump 23, a sewage discharge pipe 24 and a butterfly valve 25, the sewage discharge pipe 24 is connected with the inlet end of the diaphragm pump 23 through a flange, the outlet end of the diaphragm pump 23 is externally connected with a filter press through a pipeline, the sewage draining pipe 24 is respectively connected with the pre-precipitation chamber 6, the coagulating sedimentation chamber 7, the primary oxidation chamber 8, the secondary oxidation chamber 9 and the inclined pipe precipitation chamber 10 through branch pipelines on the sewage draining pipe, the butterfly valve 25 is correspondingly arranged on a branch pipeline on the sewage discharge pipe 24, and after sewage treatment, the butterfly valve 25 on the branch pipeline of the sewage draining pipe 24 is correspondingly opened, so that the impurities settled in the pre-settling chamber 6, the coagulating sedimentation chamber 7, the primary oxidation chamber 8, the secondary oxidation chamber 9 and the inclined pipe settling chamber 10 are discharged from the diaphragm pump 23 through the sewage draining pipe 24, and the discharged impurities with moisture can be introduced into an external filter press for further treatment.

Specifically, aeration treatment mechanism 3 includes oxygen-increasing machine 26, oxygen feed pipe 27 and aeration disc 29, oxygen feed pipe 27 passes through flange joint on oxygen-increasing machine 26's output port, and the other end of oxygen feed pipe 27 is connected with aeration disc 29 through the lateral line above that, and the ball valve 28 is installed to the lateral line on oxygen feed pipe 27, aeration disc 29 branch is located the interior bottom of one-level oxidation chamber 8 and second grade oxidation chamber 9, utilizes oxygen-increasing machine 26 to produce the oxygen back, draws forth respectively to get into in one-level oxidation chamber 8 and second grade oxidation chamber 9 from aeration disc 29 through oxygen feed pipe 27, and the aeration of production can prevent indoor suspension body and sink, has strengthened the purpose of indoor organic matter and microorganism and dissolved oxygen contact simultaneously to guarantee indoor microorganism under the condition that has sufficient dissolved oxygen, the oxidative decomposition effect to organic matter in the sewage.

Specifically, the exhaust treatment box 4 includes an outer casing 30, an axial fan 31, an activated carbon filter screen 32, an ultraviolet sterilization lamp 33 and an ULPA filter screen 34, the axial fan 31, the activated carbon filter screen 32, the ultraviolet sterilization lamp 33 and the ULPA filter screen 34 are sequentially installed in the outer casing 30 from bottom to top, in the aeration process, the emitted dirty gas is introduced into the outer casing 30 through the axial fan 31, and then is purified through the activated carbon filter screen 32, the ultraviolet sterilization lamp 33 and the ULPA filter screen 34 in sequence, so that dust particles such as particles, odor and microorganisms can be filtered, and the purposes of purifying exhaust gas and decomposing harmful organic matters are achieved.

Specifically, the bottom of the outer shell 30 is provided with an air inlet 35, the air inlet end of the axial flow fan 31 is provided with an air cover 36, the top of the outer shell 30 is provided with an air outlet 37, in the aeration process, the emitted dirty air is introduced into the outer shell 30 from the air inlet 35 through the axial flow fan 31, and after purification treatment, the air is discharged through the air outlet 37.

Specifically, the water purification treatment tank 5 comprises an outer tank body 38, a tank cover 39, a PP cotton filter element 40, a honeycomb particle activated carbon filter element 41, an RO reverse osmosis membrane filter element 42 and a hyperfine fiber activated carbon filter element 43, wherein the tank cover 39 is hinged to a tank opening of the tank body through a hinge, the PP cotton filter element 40, the honeycomb particle activated carbon filter element 41, the RO reverse osmosis membrane filter element 42 and the hyperfine fiber activated carbon filter element 43 are mutually connected through pipelines respectively, an inlet end of the PP cotton filter element 40 is connected with the inclined tube settling chamber 10 through a pipeline, an outlet end of the hyperfine fiber activated carbon filter element 43 extends out of the tank body through a pipeline, after the inclined tube settling chamber 10 is treated, the treated water is introduced into the water purification treatment tank 5, macroscopic objects such as fine silt and iron rust can be effectively filtered through the PP cotton filter element 40, and the honeycomb particle activated carbon filter element 41 can adsorb residual chlorine in the water, Colloid, getting rid of the heterochrosis peculiar smell, RO reverse osmosis membrane filter core 42 has increased filter area, can the accurate bacterium of filtering aquatic, harmful substance such as incrustation scale, heavy metal, hyperfine fibre active carbon filter core 43 then further filters the water source, plays the effect that improves quality of water to the throughput has been improved.

When in use, sewage is introduced through the sewage inlet 11, naturally precipitates for a period of time in the pre-precipitation chamber 6 after introduction, when the water level reaches the through hole 17, is introduced into the coagulating sedimentation chamber 7, after a flocculating agent is added into the coagulating sedimentation chamber 7, and is stirred by the stirrer 12, the settled impurities fall into the inner bottom of the coagulating sedimentation chamber 7 along the turbulent flow guide tube 13 by using centrifugal force, when the water level reaches the first water distribution pipe 18, is introduced into the first-stage oxidation chamber 8, and generates denitrification effect by using the first-stage biological oxidation fluidized bed 14 to remove nitrogen, generates aerobic bacteria outside to remove organic matters, when the water level reaches the second water distribution pipe 19, is introduced into the second-stage oxidation chamber 9, generates denitrification effect again by using the second-stage biological oxidation fluidized bed 15 to remove nitrogen, generates aerobic bacteria outside to remove organic matters, and simultaneously proceeds in the first-stage oxidation chamber 8 and the second-stage oxidation chamber 9, after oxygen is generated by the oxygen increasing machine 26, the oxygen is led out from the aeration disc 29 through the oxygen feeding pipe 27 and respectively enters the primary oxidation chamber 8 and the secondary oxidation chamber 9, the generated aeration can prevent indoor suspension from sinking, and simultaneously the purpose of contacting indoor organic matters with microorganisms and dissolved oxygen is enhanced, so that the indoor microorganisms can perform oxidative decomposition on the organic matters in the sewage under the condition of sufficient dissolved oxygen, in the aeration process, the emitted dirty gas is led into the outer shell 30 through the axial flow fan 31 and then is purified through the activated carbon filter screen 32, the ultraviolet sterilization lamp 33 and the ULPA filter screen 34 in sequence, dust particles such as particles, smell and microorganisms can be filtered, so as to achieve the purposes of purifying waste gas and decomposing harmful organic matters, when the water level reaches the third water distribution pipe 20, the dirty gas is led into the inclined tube precipitation chamber 10, various precipitation and sand removal functions are performed by the inclined tube filler 16, after the inclined tube settling chamber 10 is treated, the treated water is introduced into the water purification treatment box 5, visible matters such as fine silt, rust and the like can be effectively filtered through the PP cotton filter element 40, the honeycomb particle activated carbon filter element 41 can adsorb residual chlorine and colloid in the water and remove peculiar smell, the RO reverse osmosis membrane filter element 42 increases the filtering area and can accurately filter harmful substances such as bacteria, incrustation, heavy metal and the like in the water, the ultra-fine fiber activated carbon filter element 43 further filters a water source to play a role in improving the water quality, after the sewage is treated, the butterfly valve 25 on the branch pipeline of the sewage draining pipe 24 is correspondingly opened, so that the impurities settled in the pre-settling chamber 6, the coagulating sedimentation chamber 7, the primary oxidation chamber 8, the secondary oxidation chamber 9 and the inclined pipe settling chamber 10 are discharged from the diaphragm pump 23 through the sewage draining pipe 24, and the discharged impurities with moisture can be introduced into an external filter press for further treatment.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a hierarchical high-efficient processing mechanism of sewage for environmental protection which characterized in that: comprises a sewage treatment box body (1), a waste residue recovery mechanism (2), an aeration treatment mechanism (3), an exhaust treatment box (4) and a water purification treatment box (5), wherein the inside of the sewage treatment box body (1) is sequentially provided with a pre-precipitation chamber (6), a coagulating sedimentation chamber (7), a primary oxidation chamber (8), a secondary oxidation chamber (9) and an inclined tube precipitation chamber (10) from left to right, a sewage inlet (11) is arranged on the side wall of the pre-precipitation chamber (6), a stirrer (12) is arranged in the coagulating sedimentation chamber (7), a turbulent guide cylinder (13) is arranged at the lower end of the inside of the coagulating sedimentation chamber (7), a primary biological oxidation fluidized bed (14) is arranged in the primary oxidation chamber (8), a secondary biological oxidation fluidized bed (15) is arranged in the secondary oxidation chamber (9), and an inclined tube filler (16) is arranged in the inclined tube precipitation chamber (10), the side wall of the pre-precipitation chamber (6) adjacent to the coagulating precipitation chamber (7) is provided with a through hole (17), the side wall of the coagulating precipitation chamber (7) adjacent to the primary oxidation chamber (8) is provided with a first water distribution pipe (18), the side wall of the primary oxidation chamber (8) adjacent to the secondary oxidation chamber (9) is provided with a second water distribution pipe (19), the side wall of the secondary oxidation chamber (9) adjacent to the inclined pipe precipitation chamber (10) is provided with a third water distribution pipe (20), the waste residue recovery mechanism (2) is respectively communicated with the pre-precipitation chamber (6), the coagulating precipitation chamber (7), the primary oxidation chamber (8), the secondary oxidation chamber (9) and the inclined pipe precipitation chamber (10) through pipelines, the aeration treatment mechanism (3) is respectively arranged in the primary oxidation chamber (8) and the secondary oxidation chamber (9), the exhaust treatment box (4) is communicated with the primary oxidation chamber (8) and the secondary oxidation chamber (9), the water purification treatment box (5) is communicated with the inclined tube settling chamber (10).

2. The sewage grading and high-efficiency treatment mechanism for environmental protection according to claim 1, characterized in that: the top of preliminary sedimentation chamber (6), coagulating sedimentation chamber (7), one-level oxidation chamber (8), second grade oxidation chamber (9) and pipe chute precipitation chamber (10) all installs access cover (21), the drive division of agitator (12) is located the outer top of coagulating sedimentation chamber (7), and the drive division outside of agitator (12) is covered with dust cover (22).

3. The sewage grading and high-efficiency treatment mechanism for environmental protection according to claim 1, characterized in that: turbulence guide tube (13) are oval form funnel structure, turbulence guide tube (13) are located the below of agitator (12), the outer surrounding of turbulence guide tube (13) and coagulating sedimentation room (7) inner wall all around driving fit, and the bottom of turbulence guide tube (13) apart from coagulating sedimentation room (7) interior bottom obligate space.

4. The sewage grading and high-efficiency treatment mechanism for environmental protection according to claim 1, characterized in that: waste residue recovery mechanism (2) are including diaphragm pump (23), blow off pipe (24) and butterfly valve (25), blow off pipe (24) are through flange joint in the entrance point of diaphragm pump (23), the exit end of diaphragm pump (23) passes through the external pressure filter of pipeline, blow off pipe (24) are connected with preliminary sedimentation chamber (6), coagulating sedimentation chamber (7), one-level oxidation chamber (8), second grade oxidation chamber (9) and pipe chute sedimentation chamber (10) respectively through the lateral conduit above that, butterfly valve (25) correspond and install on the lateral conduit on blow off pipe (24).

5. The sewage grading and high-efficiency treatment mechanism for environmental protection according to claim 1, characterized in that: aeration treatment mechanism (3) are including oxygen-increasing machine (26), oxygen feed pipe (27) and aeration disc (29), oxygen feed pipe (27) are through flange joint on the output port of oxygen-increasing machine (26), and the other end of oxygen feed pipe (27) is connected with aeration disc (29) through the lateral conduit above that, and the lateral conduit on oxygen feed pipe (27) installs ball valve (28), the interior bottom end of one-level oxidation chamber (8) and second grade oxidation chamber (9) is located in aeration disc (29) branch.

6. The sewage grading and high-efficiency treatment mechanism for environmental protection according to claim 1, characterized in that: exhaust treatment box (4) include shell body (30), axial fan (31), active carbon filter screen (32), ultraviolet sterilamp (33) and ULPA filter screen (34), install in shell body (30) from bottom to top in proper order axial fan (31), active carbon filter screen (32), ultraviolet sterilamp (33) and ULPA filter screen (34).

7. The graded efficient sewage treatment mechanism for environmental protection according to claim 6, wherein: an air inlet (35) is formed in the bottom of the outer shell (30), a fan cover (36) is installed at the air inlet end of the axial flow fan (31), and an air outlet (37) is formed in the top of the outer shell (30).

8. The sewage grading and high-efficiency treatment mechanism for environmental protection according to claim 1, characterized in that: water purification treatment case (5) include outer box (38), case lid (39), the cotton filter core of PP (40), honeycomb granule activated carbon filter core (41), RO reverse osmosis membrane filter core (42) and super smart fibre activated carbon filter core (43), case lid (39) articulate on the case mouth of box through the articulated elements, the cotton filter core of PP (40), honeycomb granule activated carbon filter core (41), RO reverse osmosis membrane filter core (42) and super smart fibre activated carbon filter core (43) are each other through the pipe connection respectively, the entrance point of the cotton filter core of PP (40) is connected with pipe chute drip chamber (10) through the pipeline, the exit end of super smart fibre activated carbon filter core (43) extends to the box outside through the pipeline.