CN215249855U

CN215249855U - Combined HEBR high-efficiency sewage treatment device

Info

Publication number: CN215249855U
Application number: CN202022418483.0U
Authority: CN
Inventors: 左晶; 王磊; 林明; 肖海云; 庄毅璇; 毛克威; 李建
Original assignee: Shenzhen Hongkong Institution Of Industry Education & Research Environmental Engineering Technique Co ltd
Current assignee: Shenzhen Hongkong Institution Of Industry Education & Research Environmental Engineering Technique Co ltd; Shenzhen Sower Ecological Technology Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-12-21
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a build formula HEBR high-efficient sewage treatment plant jointly. The combined HEBR high-efficiency sewage treatment device comprises a tank body, a separation part, an aerobic zone flow baffle, a sewage inlet pipe, a stirring part, a mixed liquid flow guide plate, a mixed liquid flow baffle, an air guide plate, a sludge reflux plate and an aeration part. The separation part is arranged in the tank body and separates the tank body into an aerobic zone and an anoxic zone; the sewage inlet pipe extends from the top of the anoxic zone to the bottom of the anoxic zone, and the stirring part is arranged in the anoxic zone; the aerobic zone is divided by the mixed liquor guide plate, the mixed liquor baffle plate, the air guide plate and the sludge reflux plate to form a separation zone, an aerobic bottom zone and an aerobic central zone, the mixed liquor baffle plate is arranged in the separation zone, the top of the mixed liquor baffle plate is higher than the mixed liquor guide plate, and two sides of the mixed liquor baffle plate are respectively connected with the dividing parts; the aeration component is arranged in the aerobic bottom area. The combined HEBR high-efficiency sewage treatment device has small floor area and high treatment efficiency.

Description

Combined HEBR high-efficiency sewage treatment device

Technical Field

The utility model relates to a sewage treatment technical field especially relates to a build formula HEBR high-efficient sewage treatment plant jointly.

Background

The existing sewage biochemical treatment method mainly comprises three major types of aerobic, facultative and anaerobic processes, wherein derivative processes such as AO, A2O or an oxidation ditch and the like are developed according to the characteristics of the sewage biochemical treatment method, the process utilizes the assimilation decomposition and conversion action of microorganisms to remove pollutants, simultaneously, a large amount of sludge-like flocs need to be subjected to solid-liquid separation through a sludge-water separation unit arranged at the rear end of the process, so that clear water is discharged, sludge is precipitated and reflows, and each treatment unit of the process is generally and independently distributed on a plane and needs to be connected with various pipelines and equipment, and the sewage biochemical treatment method has the defect that (1) the occupied area is large; (2) the equipment has multiple units and structures, complex operation conditions and high operation difficulty; (3) additional power is needed for mud-water separation and sludge backflow, and energy consumption is high; (4) the process sludge has low concentration, poor activity, weak impact resistance and unstable treatment effect.

SUMMERY OF THE UTILITY MODEL

Therefore, a combined HEBR efficient sewage treatment device which is small in occupied area, high in treatment efficiency and low in operation energy consumption is needed.

A co-building HEBR high-efficiency sewage treatment device comprises a pool body, a separation part, an aerobic zone flow baffle, an anoxic zone flow guide baffle, a sewage inlet pipe, a stirring part, a partition part and an aeration part;

the separation part is arranged in the tank body and separates the tank body into an aerobic zone and an anoxic zone; the sewage inlet pipe extends from the top of the anoxic zone to the bottom of the anoxic zone, and the stirring part is arranged in the anoxic zone;

the aerobic zone flow baffle is arranged in the aerobic zone, two sides of the aerobic zone flow baffle in the height direction are respectively connected with the separating part, a water passing seam is formed between the aerobic zone flow baffle and the bottom of the tank body, a central channel communicated with the aerobic zone is arranged between the aerobic zone flow baffle and the anoxic zone flow guide baffle and used for allowing mixed liquor in the anoxic zone to enter the aerobic zone, and the separating part is arranged in the aerobic zone and separates the aerobic zone into an aerobic central area close to the separating part, an aerobic bottom zone at the bottom and a separating zone above the aerobic bottom zone, wherein the aerobic central area is communicated with the separating part; the aeration component is arranged in the aerobic bottom area.

In one embodiment, the partition component includes a mixed liquid guide plate, a mixed liquid baffle plate, an air guide plate and a sludge reflux plate, two sides of the mixed liquid guide plate are respectively connected to the partition component, the air guide plate is located below the mixed liquid guide plate and is in sealed connection with the mixed liquid guide plate, two sides of the air guide plate are respectively connected to the partition component, the sludge reflux plate is located in the aerobic zone, the top of the sludge reflux plate is in sealed connection with the inner wall of the tank body, two sides of the sludge reflux plate are respectively connected to the partition component, the bottom of the sludge reflux plate extends to the lower side of the air guide plate, a sludge reflux slit is formed between the sludge reflux plate and the air guide plate, and the mixed liquid guide plate, the air guide plate and the sludge reflux plate partition the aerobic zone to form a separation zone, and a separation zone, and a separation zone are formed between the sludge reflux plate and the separation zone, The aerobic bottom area at the lower part of the sludge reflux plate and the aerobic central area between the mixed liquid guide plate and the aerobic area guide plate are arranged in the separation area, the top of the mixed liquid baffle plate is higher than the mixed liquid guide plate, and the two sides of the mixed liquid baffle plate are respectively connected with the separation part.

In one embodiment, the partition part comprises vertical partition plates, the vertical partition plates are respectively connected to opposite positions of the inner wall of the tank body, the bottom of each vertical partition plate is further connected with the bottom of the tank body, the anoxic zone flow guide partition plate is connected to the bottom of the tank body and is respectively connected to the vertical partition plates along two sides in the height direction, and the anoxic zone flow guide partition plate and the vertical partition plates partition the tank body to form the aerobic zone and the anoxic zone;

the two sides of the aerobic zone flow baffle in the height direction are respectively connected with the vertical partition plates, the two sides of the mixed liquid guide plate are respectively connected with the vertical partition plates, the two sides of the air guide plate are respectively connected with the vertical partition plates, the two sides of the sludge reflux plate are respectively connected with the vertical partition plates, and the two sides of the mixed liquid flow baffle are respectively connected with the vertical partition plates.

In one embodiment, the anoxic zone flow guide partition plate is of a curved surface-shaped structure;

and/or the aerobic zone flow baffle is of a curved surface structure, and the bending direction of the aerobic zone flow baffle is consistent with that of the anoxic zone flow guide baffle;

and/or the mixed liquid flow baffle is of a curved surface structure, and the bending direction of the mixed liquid flow baffle is opposite to that of the anoxic zone flow guide baffle;

and/or the mixed liquid guide plate is of a curved surface structure, and the bending direction of the mixed liquid guide plate is consistent with that of the mixed liquid baffle plate.

In one embodiment, the co-building HEBR high-efficiency sewage treatment device further comprises a nitrifying liquid collecting pipe, a nitrifying liquid guiding pipe and a nitrifying liquid reflux pump, wherein the nitrifying liquid collecting pipe is arranged at the upper part of the aerobic central area, the nitrifying liquid guiding pipe is communicated with the nitrifying liquid collecting pipe, the nitrifying liquid guiding pipe extends from the bottom of the aerobic central area to the outside of the pool body and extends to the top of the anoxic area, and the nitrifying liquid guiding pipe is provided with the nitrifying liquid reflux pump.

In one embodiment, the co-building HEBR high-efficiency sewage treatment device further comprises an air duct, the bottom of the sludge return plate extends to the aerobic central area, the part of the sludge return plate close to the aerobic central area is provided with air guide holes, one end of the air duct extends into the aerobic central area, and the other end of the air duct extends to the anoxic area.

In one embodiment, a water outlet groove is arranged at the position of the top of the tank body, which is positioned in the separation area, and the water outlet groove is communicated with the separation area and is provided with a water outlet.

In one embodiment, the aeration member is a microporous aeration disk.

In one embodiment, the bottom of the tank body is provided with a first access hole communicated with the anoxic zone and/or a second access hole communicated with the aerobic zone.

In one embodiment, the co-building HEBR high-efficiency sewage treatment device further comprises one or more of an outer ladder, a top operating platform and a safety barrier, wherein the outer ladder is installed on the outer wall of the tank body, the top operating platform is installed on the top of the tank body and partially covers the aerobic zone and the anoxic zone, and the safety barrier is arranged on the peripheries of the outer ladder and the top operating platform.

In one of them embodiment, the bottom of cell body is located the position in anoxic zone is provided with first mud discharging port, the bottom of cell body is located the position in aerobic zone is provided with the second mud discharging port, first mud discharging port and second mud discharging port department all is provided with the mud valve, the mud valve is used for opening or closes first mud discharging port second mud discharging port, with control sludge concentration in the aerobic zone perhaps sludge concentration in the anoxic zone.

In one embodiment, the co-building HEBR high-efficiency sewage treatment device further comprises a lifting component, wherein the lifting component is communicated with the top of the anoxic zone, and the lifting component is used for lifting sewage to be treated to the top of the anoxic zone.

In one embodiment, the included angle between the air guide plate and the sludge return plate is 30-90 degrees; and/or the horizontal inclination angle of the sludge return plate is 40-90 degrees.

The radial section of the aerobic bottom area can be in one of fan-ring shape, triangular shape, square shape, trapezoidal shape or polygonal shape.

Compared with the prior art, the utility model discloses a high-efficient sewage treatment plant of joint construction formula HEBR has following beneficial effect:

(1) by optimizing the structure of the HEBR integrated co-constructed HEBR high-efficiency sewage treatment device, the anoxic zone, the aerobic zone and the separation zone adopt a co-constructed mode, and the problem of large occupied area of a separately constructed traditional activated sludge method is solved.

(2) The anoxic zone realizes the transition from the anaerobic functional zone to the anoxic functional zone from bottom to top in the vertical direction by reasonably adjusting the stirring speed, the phosphorus accumulating bacteria in the anaerobic functional zone anaerobically release phosphorus and synthesize PHB (poly beta phosphorus butyrate), the phosphorus absorption process of the rear-section aerobic zone is strengthened, the carbon source is utilized in the anoxic zone to achieve the purpose of denitrification through denitrification, and the group effect advantage of the phosphorus and nitrogen removing effect is strengthened.

(3) The good oxygen bottom zone of disengagement zone lower part sets up the aeration part to through optimizing the disengagement zone structure, when guaranteeing that sewage and mud fully contact in the good oxygen bottom zone, the disengagement zone can not appear the gas problem of mixing, avoids traditional disengagement zone lower part not to have the aeration to appear the mud subside and pile up the problem.

(4) Can realize the gravity self-return of the sludge into the aerobic bottom area, does not need power and has greatly low energy consumption in operation.

(5) The nitrogen and phosphorus removal effect is good, the treatment efficiency is high, the impact load resistance is strong, the operation and maintenance are simple, and the convenient transportation and installation are realized through the systematic integrated design.

Drawings

FIG. 1 is a schematic top view of a co-constructed HEBR high-efficiency sewage treatment plant of the present invention;

FIG. 2 is a schematic side sectional view of the co-constructed HEBR high-efficiency sewage treatment plant.

Description of the reference numerals

10. A co-building HEBR high-efficiency sewage treatment device; 100. a tank body; 110. an anoxic zone; 120. an aerobic zone; 121. a separation zone; 122. an aerobic bottom zone; 123. an aerobic central area; 130. a water outlet groove; 140. a first access opening; 150. a second access opening; 160. a first sludge discharge port; 170. a second sludge discharge port; 180. a water outlet; 200. a vertical partition; 300. a flow baffle plate in the aerobic zone; 400. a flow guide clapboard of the anoxic zone; 500. a sewage inlet pipe; 600. a stirring member; 700. a mixed liquid guide plate; 800. a mixed liquid flow baffle; 900. a gas guide plate; 1000. a sludge return plate; 1100. an aeration member; 1200. a nitrified liquid collecting pipe; 1300. a nitrifying liquid guide pipe; 1400. a nitrifying liquid inlet pipe; 1500. an air duct; 1600. an outer ladder stand; 1700. a top operating platform; 1800. a safety barrier; 1900. a lifting member; 2000. a central channel; 2100. a flow guide channel; 2200. and (4) sludge backflow seams.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In the description of the present invention, it should be understood that the terms used in the present invention are used in the description of the present invention, and it should be understood that the terms "center", "upper", "lower", "bottom", "inner", "outer" and the like used in the present invention are used as the terms of the orientation or the positional relationship shown in the drawings, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present invention.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening elements, or they may be in communication within two elements, i.e., when an element is referred to as being "secured to" another element, it may be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to FIG. 1, an embodiment of the present invention provides a combined HEBR (High Efficiency third-phase composition Bioreactor) High Efficiency sewage treatment apparatus 10.

A co-building HEBR high-efficiency sewage treatment device 10 comprises a tank body 100, a partition part, an aerobic zone baffle plate 300, a sewage inlet pipe 500, a stirring part 600, a partition part and an aeration part 1100.

The separation part is arranged in the tank body 100 and separates the tank body 100 into an aerobic zone 120 and an anoxic zone 110. The wastewater inlet pipe 500 extends from the top of the anoxic zone 110 to the bottom of the anoxic zone 110.

The stirring member 600 is disposed in the anoxic zone 110. The stirring member 600 may be a submersible stirrer.

The aerobic zone baffle 300 is disposed in the aerobic zone 120 and both sides of the aerobic zone in the height direction are connected to the partition member, respectively.

One end of the anoxic zone flow baffle 300 is higher than the liquid level of the anoxic zone 110 to prevent the mixed liquid in the anoxic zone 110 from overflowing to the surface of the aerobic central zone 123, and the other end extends below the liquid level to form a water passing gap between the anoxic zone flow baffle 300 and the bottom of the tank body 100, so that the mixed liquid in the anoxic zone 110 enters the central aerobic zone 120 to be uniformly diffused to the aerobic zone 120. A central channel 2000 is formed between the aerobic zone baffle 300 and the anoxic zone diversion baffle 400, and is communicated with the aerobic zone 120 for allowing the mixed liquid in the anoxic zone 110 to enter the aerobic zone 120. Preferably, the anoxic zone diversion baffle 400 and the aerobic zone baffle 300 are arranged in parallel at intervals.

The partition means is arranged in the aerobic zone 120 and divides the aerobic zone 120 into an aerobic central zone 123 adjacent to the partition means, an aerobic bottom zone 122 at the bottom and a separation zone 121 above said aerobic bottom zone 122, which communicate with each other. Further, the partition components include a mixed liquid guide plate 700, a mixed liquid baffle plate 800, an air guide plate 900, and a sludge return plate 1000.

Both sides of the mixed liquid guide plate 700 are connected to the partition member, respectively. The air guide plate 900 is located below the mixed liquid guide plate 700 and is connected to the mixed liquid guide plate 700 in a sealing manner, and both sides of the air guide plate 900 are connected to the partition members, respectively. The sludge return plate 1000 is located in the aerobic zone 120, the top of the sludge return plate is hermetically connected to the inner wall of the tank body 100, and two sides of the sludge return plate are respectively connected to the partition parts. The bottom of the sludge return plate 1000 extends to below the air guide plate 900. A sludge return seam 2200 is formed between the sludge return plate 1000 and the air guide plate 900. The mixed liquor guide plate 700, the air guide plate 900 and the sludge return plate 1000 separate the aerobic zone 120 to form a separation zone 121 at the upper part of the sludge return plate 1000, an aerobic bottom zone 122 at the lower part of the sludge return plate 1000 and an aerobic central zone 123 between the mixed liquor guide plate 700 and the aerobic zone 120 guide plate. The separation area 121 can realize sludge-water separation and sludge self-refluxing so as to maintain the sludge concentration in the aerobic zone 120 and save the sludge reflux device and the operation energy consumption, and the separation area 121 is positioned in the aerobic zone 120 and can save the occupied area. The mixed liquid baffle plate 800 is disposed in the separation region 121, and the top of the mixed liquid baffle plate is higher than the mixed liquid guide plate 700, and two sides of the mixed liquid baffle plate 800 are respectively connected to the separation members. The gap between mixed liquid baffle 700 and mixed liquid baffle 800 forms a flow directing channel 2100. Preferably, mixed liquor baffle 700 and mixed liquor baffle 800 are spaced in parallel.

The aeration means 1100 is arranged in the aerobic bottom zone 122. In one particular example, the aeration member 1100 is a microporous aeration disk.

In a specific example, the partition member includes a vertical partition 200. The inner walls of the pool body 100 are connected with the vertical partition boards 200 at opposite positions respectively. The bottom of the vertical partition plate 200 is further connected with the bottom of the tank body 100, and the anoxic zone flow guide partition plate 400 is connected to the bottom of the tank body 100 and is respectively connected to the vertical partition plate 200 along both sides in the height direction. The anoxic zone flow baffle 400 and the vertical baffle 200 separate the tank body 100 into the aerobic zone 120 and the anoxic zone 110.

The two sides of the aerobic zone baffle 300 in the height direction are respectively connected to the vertical partition boards 200. Both sides of the mixed liquid guide plate 700 are connected to the vertical partition plate 200, respectively. Preferably, both sides of the mixed liquid guiding plate 700 are respectively connected to the single side wall of the two vertical partition boards 200 and the guiding baffle of the aerobic zone 120. Both sides of the air guide plate 900 are connected to the vertical partition 200, respectively. Both sides of the sludge return plate 1000 are respectively connected to the vertical partition plates 200. Both sides of the mixed liquid baffle plate 800 are connected to the vertical partition plate 200, respectively. Preferably, two side edges of the mixed liquid baffle plate 800 are respectively connected with the single side walls of the two vertical partition plates 200 and the anoxic zone flow guiding partition plate 400. One end of the mixed liquid baffle plate 800 is higher than the central liquid level of the aerobic zone 120 to prevent the liquid level of the aerobic central zone 123 from overflowing to the clear water layer of the separation zone 121, and the other end is located below the liquid level of the aerobic central zone 123 and higher than the bottom of the mixed liquid baffle plate 700 to form a buffer layer with the mixed liquid baffle plate 700, so as to prevent the interference of the lower mixed liquid of the mixed liquid baffle plate 800 from affecting the mud-water separation effect.

In one embodiment, the anoxic zone baffle 400 has a curved configuration.

And/or the aerobic zone flow baffle 300 is of a curved surface structure, and the bending direction of the aerobic zone flow baffle 300 is consistent with that of the anoxic zone flow guide partition plate 400.

And/or the mixed liquid baffle plate 800 is a curved structure, and the bending direction of the mixed liquid baffle plate 800 is opposite to the bending direction of the anoxic zone diversion baffle plate 400.

And/or the mixed liquid guide plate 700 is a curved structure, and the bending direction of the mixed liquid guide plate 700 is the same as the bending direction of the mixed liquid baffle plate 800.

Preferably, the aerobic central area 123 is cylindrical, and the separation area 121 and the aerobic bottom area 122 at the lower part of the separation area 121 are both fan-shaped.

In a specific example, the co-building HEBR high efficiency sewage treatment plant 10 further comprises a nitrification liquid collecting pipe 1200, a nitrification liquid guiding pipe 1300, a digestion liquid inlet pipe, and a nitrification liquid reflux pump. The nitrified liquid collecting pipe 1200 is arranged at the upper part of the aerobic central area 123, the nitrified liquid guiding pipe 1300 is communicated with the nitrified liquid collecting pipe 1200, the nitrified liquid guiding pipe 1300 extends from the bottom of the aerobic central area 123 to the outside of the tank body 100 and extends to the top of the anoxic area 110 through a digestive juice inlet pipe, and the nitrified liquid guiding pipe 1300 is provided with a nitrified liquid reflux pump. Preferably, the nitrified liquid collecting pipe 1200 is in a ring-shaped structure.

In a specific example, the co-building HEBR high efficiency sewage treatment plant 10 further comprises an air duct 1500. The bottom of the sludge recirculation plate 1000 extends to the aerobic center area 123. The sludge return plate 1000 is provided with air vents at a portion close to the aerobic central area 123. One end of the gas duct 1500 extends into the aerobic central zone 123 and the other end extends into the anoxic zone 110.

In a specific example, the top of the tank body 100 is provided with a water outlet groove 130 at the position of the separation region 121. The outlet channel 130 is in communication with the separation region 121, and the outlet channel 130 has an outlet 180.

In a specific example, the bottom of the tank body 100 is provided with a first access opening 140 communicating with the anoxic zone 110 and/or a second access opening 150 communicating with the aerobic zone 120.

In a specific example, the co-building HEBR high efficiency sewage treatment plant 10 further comprises one or more of an external ladder 1600, a top operation platform 1700 and a safety barrier 1800. The outer ladder stand 1600 is installed on the outer wall of the cell body 100, the top operation platform 1700 is installed on the top of the cell body 100 and partially covers the aerobic zone 120 and the anoxic zone 110, and the outer ladder stand 1600 and the periphery of the top operation platform 1700 are provided with the safety barrier 1800.

In a specific example, a first sludge discharge port 160 is provided at the bottom of the tank body 100 at the position of the anoxic zone 110. A second sludge discharge port 170 is arranged at the bottom of the tank body 100 and positioned in the aerobic zone 120. The first sludge discharge port 160 and the second sludge discharge port 170 are provided with sludge discharge valves. The sludge discharge valve is used for opening or closing the first sludge discharge port 160 and the second sludge discharge port 170 so as to control the sludge concentration in the aerobic zone 120 or the sludge concentration in the anoxic zone 110.

In one embodiment, the co-building HEBR high efficiency sewage treatment plant 10 further comprises a lifting component 1900. The riser 1900 is in communication with the top of the anoxic zone 110. The lifting member 1900 is used to lift the sewage to be treated to the top of the anoxic zone 110. The lift 1900 may be a water intake lift pump.

In one embodiment, the included angle between the air guide plate 900 and the sludge reflux plate 1000 is 30-90 °; and/or the horizontal inclination angle of the sludge return plate 1000 is 40-90 degrees.

The shape of the radial cross section of the aerobic bottom zone 122 can be one of a sector ring shape, a triangle shape, a square shape, a trapezoid shape or a polygon shape.

The utility model discloses when using, related to a build formula HEBR integration sewage treatment method, including following step:

the sewage is lifted to the top of the anoxic zone 110 by the water inlet lift pump and then is guided to the bottom of the anoxic zone 110 by the sewage inlet pipe 500, meanwhile, the nitrification liquid collecting pipe 1200 is arranged below the liquid level of the aerobic central zone 123, the collected nitrification liquid is guided to the inner bottom of the aerobic central zone 123 by the nitrification liquid guiding pipe 1300 through the nitrification liquid collecting pipe 1200, and is conveyed to the top of the anoxic zone 110 by the nitrification liquid guiding pipe 1300 through the nitrification liquid reflux pump arranged outside the tank body 100, and enters the bottom of the anoxic zone 110.

The bottom of the anoxic zone 110 is provided with the stirring part 600, the stirring part 600 ensures that the sewage, the return nitrification liquid and the activated sludge are fully and uniformly mixed to obtain a mixed liquid, and the transition from the anaerobic zone to the anoxic zone 110 in the vertical direction from bottom to top in the anoxic zone 110 is ensured by reasonably adjusting the stirring speed of the stirring part 600. Phosphorus-accumulating bacteria in the anaerobic zone anaerobically release phosphorus and synthesize PHB (poly beta phosphorus-accumulating butyric acid), and the phosphorus absorption process in the aerobic zone 120 is strengthened; in the anoxic zone 110, the carbon source is utilized to achieve the purpose of denitrification through denitrification, and the advantages of group effect are exerted to enhance the effects of denitrification and dephosphorization.

The mixed liquid after uniform mixing rises to the effective liquid level of the anoxic zone 110, and a central channel 2000 formed by the aerobic zone flow baffle 300 and the anoxic zone 110 mixed liquid flow baffle 800 is guided to the bottom of the aerobic central zone 123 and then uniformly diffused into the aerobic zone 120 (comprising the aerobic central zone 123 and the aerobic bottom zone 122). In the aerobic zone 120, the organic pollutants in the mixed liquor are decomposed into carbon dioxide and water by the microorganisms in the filler or the sludge; the nitrifying bacteria convert ammonia nitrogen in the mixed solution into nitrate nitrogen through nitrification, and the nitrate liquid flows back into the anoxic zone 110 through the nitrification and is converted into nitrogen through denitrification of the denitrifying bacteria to be removed. PHB aerobic decomposition, phosphorus-accumulating bacteria proliferation and phosphorus absorption, the phosphorus absorption amount in the stage is far larger than the release amount of phosphorus in an anaerobic zone, and sludge for absorbing phosphorus is discharged in the form of excess sludge to achieve the purpose of phosphorus removal; aeration member 1100 operates to provide dissolved oxygen for microbial metabolism.

The mixed liquor after being treated in the aerobic zone 120 gradually rises. While the mixed liquor portion is collected by the annular nitrified liquid collecting pipe 1200 during the ascending process, the other portion enters the separation zone 121 through a diversion channel 2100 formed by a mixed liquor diversion plate 700 and a mixed liquor baffle plate 800. The sludge in the mixed liquid entering the separation zone 121 is separated from the purified sewage under the action of gravity, and flows back into the aerobic bottom zone 122 along the sludge return seam 2200 between the air guide plate 900 and the sludge return plate 1000, and the separated clean water continuously flows upwards, is collected by the water outlet tank 130, and is discharged out through the water outlet 180. The gas collected at the lower part of the sludge reflux plate 1000 is guided to the upper part of the liquid level of the anoxic zone 110 through the gas guide pipe 1500 and is discharged.

The sludge in the anoxic zone 110 and the aerobic zone 120 is continuously or periodically discharged through the first sludge outlet 160 and the second sludge outlet 170 which are correspondingly arranged so as to control the sludge concentration in the aerobic zone 120 and the sludge concentration in the anoxic zone 110.

The process of the utility model discloses a quality of water data of the influent and effluent of the sewage that co-construction formula HEBR high-efficient sewage treatment plant 10 handled is as shown in table 1 below respectively.

TABLE 1 Water quality data of influent and effluent of wastewater

As can be seen from the table 1, the clear water after the combined HEBR high-efficiency sewage treatment device 10 of the utility model processes can reach the one-level A standard and can be directly discharged.

Compared with the prior art, the utility model discloses a high-efficient sewage treatment plant 10 of joint construction formula HEBR has following beneficial effect:

(1) by optimizing the structure of the HEBR integrated co-construction type HEBR high-efficiency sewage treatment device, the anoxic zone 110, the aerobic zone 120 and the separation zone 121 adopt a co-construction mode, and the problem of large occupied area of a separately-construction type traditional activated sludge process is solved.

(2) The anoxic zone 110 realizes the transition from the anaerobic functional zone to the anoxic functional zone from the bottom to the top in the vertical direction in the anoxic zone 110 by reasonably adjusting the stirring speed, phosphorus accumulating bacteria in the anaerobic functional zone anaerobically release phosphorus and synthesize PHB (poly beta phosphorus butyrate), the phosphorus absorption process of the rear-section aerobic zone 120 is strengthened, and the denitrification purpose is achieved by utilizing a carbon source in the anoxic zone 110 through denitrification, so that the 'group effect' advantage of the phosphorus and nitrogen removal is strengthened.

(3) Aerobic bottom zone 122 of disengagement zone 121 lower part sets up aeration part 1100 to through optimizing disengagement zone 121 structure, when guaranteeing that sewage and mud fully contact in the aerobic bottom zone 122, the disengagement zone 121 can not appear the gas problem of mixing, avoids traditional disengagement zone 121 lower part not to have the aeration to appear mud subside and pile up the problem.

(4) Can realize the gravity self-return of the sludge into the aerobic bottom zone 122 without power, and has greatly low energy consumption in operation.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A co-building HEBR high-efficiency sewage treatment device is characterized by comprising a tank body, a partition part, an aerobic zone flow baffle plate, an anoxic zone flow guide partition plate, a sewage inlet pipe, a stirring part, a partition part and an aeration part;

2. The co-constructed HEBR high-efficiency sewage treatment plant according to claim 1, wherein the partition component comprises a mixed liquid guide plate, a mixed liquid baffle plate, an air guide plate and a sludge return plate, both sides of the mixed liquid guide plate are connected to the partition component, the air guide plate is located below the mixed liquid guide plate and is in sealed connection with the mixed liquid guide plate, both sides of the air guide plate are connected to the partition component, the sludge return plate is located in the aerobic zone and has a top portion in sealed connection with the inner wall of the tank body and both sides connected to the partition component, the bottom of the sludge return plate extends to below the air guide plate, a sludge return slit is formed between the sludge return plate and the air guide plate, the mixed liquid guide plate, the air guide plate and the sludge return plate separate the aerobic zone to form a separation zone at the upper portion of the sludge return plate, The aerobic bottom area at the lower part of the sludge reflux plate and the aerobic central area between the mixed liquid guide plate and the aerobic area guide plate are arranged in the separation area, the top of the mixed liquid baffle plate is higher than the mixed liquid guide plate, and the two sides of the mixed liquid baffle plate are respectively connected with the separation part.

3. The co-building HEBR high efficiency sewage treatment plant according to claim 2 wherein said partition member comprises vertical partition plates, said vertical partition plates are connected to opposite positions of the inner wall of said tank body, respectively, the bottom of said vertical partition plate is further connected to the bottom of said tank body, said anoxic zone flow guide partition plate is connected to the bottom of said tank body and is connected to said vertical partition plate along both sides in the height direction, said anoxic zone flow guide partition plate and said vertical partition plate partition said tank body into said aerobic zone and said anoxic zone;

4. The co-building HEBR high efficiency sewage treatment plant according to claim 3 wherein said anoxic zone baffle plate is of a curved configuration;

5. The co-building HEBR high-efficiency sewage treatment plant according to claim 1, further comprising a nitrification liquid collecting pipe, a nitrification liquid guiding pipe and a nitrification liquid reflux pump, wherein the nitrification liquid collecting pipe is arranged at the upper part of the aerobic central area, the nitrification liquid guiding pipe is communicated with the nitrification liquid collecting pipe, the nitrification liquid guiding pipe extends from the bottom of the aerobic central area to the outside of the tank body and extends to the top of the anoxic area, and the nitrification liquid guiding pipe is provided with the nitrification liquid reflux pump.

6. The co-building HEBR high efficiency sewage treatment plant according to any of claims 2-4, wherein said co-building HEBR high efficiency sewage treatment plant further comprises an air duct, the bottom of said sludge recirculation plate extends to said aerobic central area, the portion of said sludge recirculation plate close to said aerobic central area is provided with air guide holes, one end of said air duct extends into said aerobic central area and the other end extends to said anoxic area.

7. The co-building HEBR high efficiency sewage treatment plant according to any of claims 1-5 wherein a water outlet tank is provided at the top of said tank body at the location of said separation zone, said water outlet tank being in communication with said separation zone, said water outlet tank having a water outlet.

8. The co-building HEBR high efficiency sewage treatment plant according to any of claims 1-5, wherein said aeration member is a micro porous aeration disc.

9. The co-building HEBR high efficiency sewage treatment plant according to any one of claims 1-5 wherein the bottom of said tank body is provided with a first access opening communicating with said anoxic zone and/or a second access opening communicating with said aerobic zone.

10. The co-constructed HEBR high efficiency sewage treatment plant according to any one of claims 1-5, further comprising one or more of an outer ladder, a top operation platform and a safety barrier, wherein the outer ladder is installed on the outer wall of the tank body, the top operation platform is installed on the top of the tank body and partially covers the aerobic zone and the anoxic zone, and the safety barrier is arranged on the peripheries of the outer ladder and the top operation platform.

11. The co-building HEBR high efficiency sewage treatment plant according to any one of claims 1-5, wherein a first sludge discharge port is arranged at the bottom of the tank body in the anoxic zone, a second sludge discharge port is arranged at the bottom of the tank body in the aerobic zone, and a sludge discharge valve is arranged at each of the first sludge discharge port and the second sludge discharge port and is used for opening or closing the first sludge discharge port and the second sludge discharge port to control the sludge concentration in the anoxic zone or the sludge concentration in the aerobic zone.

12. The co-building HEBR high efficiency sewage treatment plant according to any of claims 1-5, further comprising a lifting member, said lifting member is in communication with the top of said anoxic zone, said lifting member is used for lifting the sewage to be treated to the top of said anoxic zone.

13. The co-building HEBR high efficiency sewage treatment plant according to any of claims 2-4, wherein the angle between said air guide plate and said sludge recirculation plate is 30 ° -90 °; and/or the horizontal inclination angle of the sludge return plate is 40-90 degrees.

14. The co-building HEBR high efficiency sewage treatment plant according to any of claims 1-5 wherein the radial cross sectional shape of said aerobic bottom zone can be one of a fan ring, triangle, square, trapezoid or polygon.