CN213537652U

CN213537652U - High-concentration organic sewage integrated treatment equipment

Info

Publication number: CN213537652U
Application number: CN202022479955.3U
Authority: CN
Inventors: 方玉美; 肖进彬; 聂宁; 刘振; 张璐璐; 任秋鹤
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-06-25
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses an organic sewage integration treatment facility of high concentration relates to organic sewage treatment technical field, can include: the device comprises a pretreatment unit, a biochemical treatment unit and a deep treatment unit which are arranged in sequence, wherein the pretreatment unit comprises a microfiltration device, a pretreatment tank and an inclined tube sedimentation tank which are communicated in sequence, and a water inlet pipe is arranged at the front end of the microfiltration device and used for introducing sewage to be treated; the biochemical treatment unit comprises a primary A tank, a primary O tank, a secondary A tank, a secondary O tank and an overflow weir sedimentation tank which are sequentially communicated, the advanced treatment unit comprises a biological aerated filter, and a water outlet pipe is arranged at the rear end of the biological aerated filter; the inclined tube sedimentation tank is communicated with the first-stage A tank, and the overflow weir sedimentation tank is communicated with the biological aerated filter. The utility model discloses can carry out effective treatment to high concentration organic sewage, improve the treatment effect.

Description

High-concentration organic sewage integrated treatment equipment

Technical Field

The utility model relates to an organic sewage treatment technical field especially relates to an organic sewage integration treatment facility of high concentration.

Background

The high-concentration organic sewage generally refers to sewage with COD of more than 2000mg/L discharged by industries such as coal chemical industry, pharmacy, leather, food and the like. The water quality is characterized as follows: (1) the concentration of organic matters is high, COD is generally more than 2000mg/L, some COD is even as high as tens of thousands to hundreds of thousands mg/L, relatively speaking, BOD is lower, and the ratio of BOD to COD of a lot of waste water is less than 0.3. (2) The components are complex, organic matters in the waste water containing toxic substances are mostly aromatic compounds and heterocyclic compounds, and sulfides, nitrides, heavy metals and toxic organic substances are also contained. (3) High chroma, peculiar smell, and pungent and stink odor of some waste water, which can cause bad effect to the surrounding environment. (4) Has strong acidity and strong basicity.

Several exemplary high-concentration organic wastewater, such as coking wastewater, pharmaceutical wastewater, textile/printing and dyeing wastewater, kerosene/chemical wastewater and the like, have the characteristics of high CODcr, high ammonia nitrogen, high salinity, high chromaticity and high biotoxicity, and are greatly harmful to the environment due to long-term over-standard discharge, so that the wastewater needs to be effectively treated to reduce the pollution to the environment.

Biological treatment is mostly adopted for treating the wastewater, and an aerobic method or a modified type of the aerobic method (such as an A/O process and the like) is mainly adopted, and anaerobic biological treatment is also adopted in some cases. From the practical application environment of the processes, the process flow is long,Large engineering floor area, large quantity of added substances (such as added carbon source substances, pH regulating agents and the like), and the like, thereby causing higher treatment cost of unit water quantity. Taking a certain pharmaceutical wastewater as an example, the cost for treating the coking wastewater is more conservative and is 60-80 yuan/m³In the above, most enterprises are difficult to bear the related cost of sewage treatment, so that the production chain of the enterprises cannot normally operate.

Therefore, the traditional high-concentration organic sewage treatment project has large floor area, long process flow line and time and labor consuming establishment.

Therefore, it is urgently needed to develop a new integrated treatment device for high-concentration organic sewage to solve the above problems in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high concentration organic sewage integration treatment facility to solve the above-mentioned problem that prior art exists, can carry out effective treatment to high concentration organic sewage, improve the treatment effect.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a high-concentration organic sewage integrated treatment device, which comprises a pretreatment unit, a biochemical treatment unit and a depth treatment unit which are arranged in sequence, wherein the pretreatment unit comprises a microfiltration device, a pretreatment tank and an inclined tube sedimentation tank which are communicated in sequence, and the front end of the microfiltration device is provided with a water inlet pipe for introducing sewage to be treated; the biochemical treatment unit comprises a primary A tank, a primary O tank, a secondary A tank, a secondary O tank and an overflow weir sedimentation tank which are sequentially communicated, the advanced treatment unit comprises a biological aerated filter, and a water outlet pipe is arranged at the rear end of the biological aerated filter; the inclined tube sedimentation tank is communicated with the first-stage A tank, and the overflow weir sedimentation tank is communicated with the biological aerated filter.

Preferably, the effluent heights of the pretreatment unit, the biochemical treatment unit and the advanced treatment unit are reduced in sequence.

Preferably, the microfiltration device adopts a ceramic membrane filter, the bottom of the front end of the ceramic membrane filter is connected with the water inlet pipe, and the water inlet pipe is provided with a water inlet pump; the top of the front end of the pretreatment tank is provided with a water inlet which is used for being communicated with the top of the rear end of the microfiltration device, the bottom of the rear end of the pretreatment tank is communicated with the bottom of the inclined tube sedimentation tank through a one-way electromagnetic valve, and the top of the inclined tube sedimentation tank is communicated with the top of the first-stage A tank through a water outlet; the pretreatment tank is internally provided with a stirrer, and the top of the pretreatment tank is also provided with a dosing port.

Preferably, the primary A tank, the primary O tank, the secondary A tank, the secondary O tank and the overflow weir sedimentation tank are respectively communicated through a water outlet pipe, the top of the rear end of the overflow weir sedimentation tank is communicated with the top of the front end of the biological aerated filter through a water outlet pipe, and the top of the rear end of the biological aerated filter is also provided with a water outlet pipe; and the bottom of the overflow weir sedimentation tank is communicated with the bottom of the first-stage A tank through a reflux pump.

Preferably, stirrers are arranged in the primary A tank and the secondary A tank, aeration devices are arranged at the bottoms in the primary O tank, the secondary O tank and the biological aerated filter, and the aeration devices are connected with an air blower; the top parts of the first-stage A pool, the first-stage O pool, the second-stage A pool and the second-stage O pool are also provided with a dosing port;

and biological fillers are arranged in the first-stage O tank and the second-stage O tank.

Preferably, the tops of the first-stage A pool, the first-stage O pool, the second-stage A pool and the second-stage O pool are also provided with exhaust ports, and the exhaust ports are connected with a gas purification device.

Preferably, a packing layer is arranged in the biological aerated filter, the top end of a water outlet pipe at the top of the rear end of the biological aerated filter is communicated with the biological aerated filter, the bottom end of the water outlet pipe is communicated with the biological aerated filter and extends into the lower part of the packing layer, and the water outlet pipe at the top of the rear end of the biological aerated filter is positioned above the packing layer.

Preferably, the device also comprises a control system and a monitoring system, wherein the control system comprises a controller and a control valve, the control valve is connected with the controller, and the control valve is arranged on the dosing port and the exhaust port; the monitoring system with the controller is connected, monitoring system includes pH electrode, DO electrode and on-line monitoring appearance, on-line monitoring appearance install in on the outlet pipe at bological aerated filter rear end top, the preliminary treatment pond one-level A pond one-level O pond second grade A pond with all be provided with in the second grade O pond the pH electrode, one-level O pond with all be provided with in the second grade O pond the DO electrode.

Preferably, the one-level A pond with still be provided with the sample connection on the second grade A pond, the preliminary treatment pond the pipe chute sedimentation tank the one-level A pond the second grade A pond and the bottom of overflow weir sedimentation tank is the toper, and all is provided with the mud discharging mouth.

Preferably, the pretreatment tank, the inclined tube sedimentation tank, the first-level A tank, the first-level O tank, the second-level A tank, the second-level O tank, the overflow weir sedimentation tank and the biological aerated filter are arranged in a shell, and a heat preservation layer is arranged on the outer side of the shell.

The utility model discloses following beneficial technological effect has been gained for prior art:

1. the utility model is designed according to the characteristics of high CODcr, high ammonia nitrogen, high salinity, high chroma and high biotoxicity of high-concentration organic wastewater, the wastewater treatment difficulty is high, the discharge up to the standard is difficult, the traditional treatment process engineering occupies large area, the process flow line is long, and the establishing and installation and debugging time is long, the integrated treatment equipment designed by the utility model has the advantages of small occupied area, short processing and installation and debugging time and convenient operation and management;

2. the pollutant index in the high-concentration organic sewage is several times or even dozens of times higher than that of the urban sewage, and the traditional treatment process engineering can reach the discharge standard only under higher dilution times;

3. the utility model discloses an automatic control system is equipped with pH monitoring and control module, DO monitoring and control module, aeration control module, water flow control module, valve control module, reduces manual operation, the data monitoring and the operation management of being convenient for.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the integrated treatment equipment for high concentration organic sewage of the present invention;

wherein: 1-water inlet pump, 2-ceramic membrane filter, 3-heat preservation layer, 4-water inlet, 5-drug adding port, 6-stirrer, 7-one-way electromagnetic valve, 8-inclined tube, 9-water outlet, 10-exhaust port, 11-water outlet tube, 12-biological filler, 13-aeration device, 14-overflow weir, 15-filler layer, 16-gas purification device, 17-blower, a-pH electrode, b-DO electrode, c-sampling port, d-on-line monitor, f-sludge discharge port, 18-pH monitoring and control module, 19-DO monitoring and control module, 20-aeration control module, 21-water flow control module, 22-valve control module, 23-reflux pump, A-microfiltration device, B-water outlet, C-biological filler, C-aeration device, C-pH monitoring and control module, 2-aeration control module, C-water, B-pretreatment pool, C-inclined tube sedimentation pool, D-first-level A pool, E-first-level O pool, F-second-level A pool, G-second-level O pool, H-overflow weir sedimentation pool and I-aeration biological filter pool.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Example one

As shown in fig. 1, the embodiment provides an integrated treatment apparatus for high-concentration organic sewage, which includes a pretreatment unit, a biochemical treatment unit and an advanced treatment unit, which are sequentially arranged, wherein the pretreatment unit includes a microfiltration device a, a pretreatment tank B and an inclined tube sedimentation tank C, which are sequentially communicated, and a water inlet pipe is arranged at the front end of the microfiltration device a and is used for introducing sewage to be treated; the biochemical treatment unit comprises a primary A tank D, a primary O tank E, a secondary A tank F, a secondary O tank G and an overflow weir sedimentation tank H which are sequentially communicated, the deep treatment unit comprises a biological aerated filter I, and a water outlet pipe is arranged at the rear end of the biological aerated filter I; the inclined tube sedimentation tank C is communicated with the first-stage A tank D, and the overflow weir sedimentation tank H is communicated with the biological aerated filter I.

In the embodiment, a pretreatment tank B, an inclined tube sedimentation tank C, a primary A tank D, a primary O tank E, a secondary A tank F, a secondary O tank G, an overflow weir sedimentation tank H and a biological aerated filter I are integrally arranged in a shell, and a microfiltration device A is positioned in front of the shell; the integrated arrangement is adopted in the embodiment, so that the integrated processing device has the advantages of small floor area, short processing, mounting and debugging time and convenience in operation and management; and, the outside of casing is provided with heat preservation 3, and heat preservation 3 adopt conventional insulation material to make can, improve the heat preservation effect, even when ambient temperature is lower, also can ensure the sewage treatment efficiency of equipment.

In the embodiment, the microfiltration device A adopts a ceramic membrane filter 2 which is high in strength and easy to clean, and a plurality of ceramic membrane microfiltration tubes are arranged in the ceramic membrane filter 2, so that the type selection of ceramic membranes can be performed according to different water qualities; the bottom of the front end of the ceramic membrane filter 2 is connected with a water inlet pipe, and a water inlet pump 1 is arranged on the water inlet pipe.

In the embodiment, the top of the front end of the pretreatment tank B is provided with a water inlet which is used for being communicated with the top of the rear end of the microfiltration device A, the bottom of the rear end of the pretreatment tank B is communicated with the bottom of the inclined tube sedimentation tank C through a one-way electromagnetic valve 7, the one-way electromagnetic valve is arranged, automatic control is achieved, intermittent switching is achieved, the sewage and the medicament in the pretreatment tank B are uniformly mixed, and damage to a subsequent treatment unit due to nonuniform mixing is avoided; the top of the inclined tube sedimentation tank C is communicated with the top of the first-stage A tank D through a water outlet 9; a stirrer 6 is arranged in the pretreatment tank B, wherein the stirrer 6 can be a conventional mechanical stirrer; the top of the pretreatment tank B is also provided with a dosing port 5, and the dosing port 5 can be added with a commonly used pH regulator and a chemical precipitation agent according to the requirement to carry out pH regulation and chemical precipitation.

In this embodiment, the first-stage a pool D, the first-stage O pool E, the second-stage a pool F, the second-stage O pool G and the overflow weir sedimentation pool H are respectively communicated through an outlet pipe 11, the top of the rear end of the overflow weir sedimentation pool H is communicated with the top of the front end of the biological aerated filter I through an outlet pipe 11, and the top of the rear end of the biological aerated filter I is further provided with an outlet pipe 11.

In the embodiment, the primary A pool D and the secondary A pool F are internally provided with the stirrers 6, so that sewage in the pools is homogenized, and the treatment efficiency is improved; the bottom parts of the first-stage O pool E, the second-stage O pool G and the biological aerated filter I are all provided with aeration devices 13, the aeration devices 13 are connected with air blowers 17, wherein the aeration devices 13 can be conventional aeration disks or aeration pipes, and the aeration devices in the O pool ensure that the dissolved oxygen in the pool is 2mg/L-5 mg/L; the tops of the first-stage A tank D and the second-stage A tank F are also provided with a dosing port 5, wherein a pH regulator or a carbon source and the like can be added into the dosing port 5 as required to regulate the carbon-nitrogen ratio and the pH in the tank, and denitrifying bacteria can be supplemented to stabilize the denitrification efficiency;

further, the first-stage O tank E and the second-stage O tank G adopt a biological contact oxidation process, biological fillers 12 are arranged in the first-stage O tank E and the second-stage O tank G, account for 20% -50% of the tank capacity, and are used as carriers of nitrifying flora to guarantee the density of the flora in the tank; the tops of the first-stage O tank E and the second-stage O tank G are also provided with a dosing port 5 which has the functions of regulating the pH value in the tanks, periodically supplementing nitrobacteria and the like; wherein, the biological filler 12 of the first-level O pool E and the second-level O pool G adopts a combination of a carbon-based composite material and one or more of polyethylene, polypropylene, polyurethane foam, ceramsite and activated carbon particles; the carbon-based composite material is prepared by compounding biomass carbon and a plurality of metal catalysts and activating the biomass carbon by high-temperature steam.

In the embodiment, the bottom of the overflow weir sedimentation tank H is communicated with the bottom return port of the first-stage A tank D through a return pump 23; the overflow weir sedimentation tank H is used for settling sludge and other suspended matters carried in sewage, the settled sludge is used for refluxing to the first-stage A tank D, 10-50% of clear liquid is used for refluxing to the first-stage A tank D for denitrification, and the rest clear liquid enters the third-stage treatment biological aerated filter I.

In this embodiment, the top of the first-stage a pool D, the first-stage O pool E, the second-stage a pool F and the second-stage O pool G is further provided with an exhaust port 10, and the exhaust port 10 is connected with a gas purification device 16; most of high-concentration organic sewage has peculiar smell, emits pungent and stink odor, causes adverse effects on the surrounding environment and has certain biotoxicity, and the gas purification device 16 is arranged in the embodiment to reduce the harm of the emitted smell to the surrounding environment in the sewage treatment process; wherein, the gas purification device 16 can select a conventional gas purifier according to the purification requirement.

In the embodiment, a packing layer 15 is arranged in the biological aerated filter I, the top end of a water outlet pipe 11 at the top of the rear end of the biological aerated filter H is communicated with the biological aerated filter H, the bottom end of the water outlet pipe is communicated with the biological aerated filter I and extends into the lower part of the packing layer 15, and the water outlet pipe 11 at the top of the rear end of the biological aerated filter I is positioned above the packing layer; wherein, the packing layer 15 is internally provided with a filler, the biological aerated filter I adopts an up-flow type, the filler adopts one or a combination of more of ceramsite, activated carbon granules and quartz sand, and the volume of the filler accounts for 20 to 50 percent of the volume of the filter.

In this embodiment, the system further comprises a control system and a monitoring system, the control system comprises a controller and a control valve, the control valve is connected with the controller, and pipelines or channels such as a dosing port, an exhaust port and the like can be provided with the control valve for control, wherein electrical components such as the one-way electromagnetic valve 7, the water inlet pump 1 and the like are also connected with the controller; the monitoring system is connected with the controller and comprises a pH electrode a, a DO electrode b and an online monitor d, wherein the online monitor d is arranged on a water outlet pipe at the top of the rear end of the biological aerated filter I, and the water quality can be detected by adopting a conventional water quality monitor; and pH electrodes a are arranged in the pretreatment tank B, the first-stage A tank D, the first-stage O tank E, the second-stage A tank F and the second-stage O tank G, and DO electrodes B are arranged at the bottoms of the first-stage O tank E and the second-stage O tank G. Furthermore, the first-stage A pool D and the second-stage A pool F are also provided with sampling ports c so as to be convenient for sampling observation; the bottoms of the pretreatment tank B, the inclined tube sedimentation tank C, the first-stage A tank D, the second-stage A tank F and the overflow weir sedimentation tank H are conical, and are provided with sludge discharge ports F.

In this embodiment, the controller is selected as required, for example, a computer is used for control, and the controller may be provided with a pH monitoring and controlling module 18, a DO monitoring and controlling module 19, an aeration controlling module 20, a water flow controlling module 21, and/or a valve controlling module 22, etc., as required, so as to reduce manual operations and facilitate data monitoring and operation management.

The working flow of the embodiment is as follows:

pumping the sewage to be treated into a microfiltration device A through a water inlet pump 1, removing suspended matters and macromolecular substances in the sewage, and reducing COD (chemical oxygen demand) and ammonia nitrogen concentration in the sewage; then the sewage enters a pretreatment tank B for pH adjustment and chemical precipitation, and aims to remove part of COD and ammonia nitrogen, and the sewage enters an inclined tube sedimentation tank C for further sedimentation after being precipitated by adding a medicament, so that precipitates in the sewage are removed; clear liquid flows into a first-stage A pool D, and sequentially enters a first-stage O pool E, a second-stage A pool F, a second-stage O pool G and an overflow weir sedimentation pool H, and part of muddy water in the overflow weir sedimentation pool H flows back; clear liquid in the overflow weir sedimentation tank H enters the biological aerated filter I, and the biological aerated filter I is internally provided with 30 to 50 percent of filler with volume, so that the biological aerated filter I has the functions of deep denitrification, decoloration and COD removal, and the effluent reaches the discharge standard of enterprises.

In this embodiment, the pore size of the ceramic membrane microfiltration tube in the microfiltration device a, and the volumes of the pretreatment tank B, the inclined tube sedimentation tank C, the first-stage a tank D, the first-stage O tank E, the second-stage a tank F, the second-stage O tank G, the overflow weir sedimentation tank H, and the biological aerated filter I are designed according to the sewage amount, the pollutant concentration, and the discharge standard.

In the embodiment, in the integrated treatment equipment for high-concentration organic sewage, the heights of the water outlets of the pretreatment unit, the biochemical treatment unit and the advanced treatment unit are sequentially reduced, so that effluent can better flow to the rear, and the power consumption of the equipment is reduced; specifically, as shown in fig. 1, the height of the top water outlet 9 of the tail inclined tube sedimentation tank in the pretreatment unit is greater than the height of the top water outlet pipe 11 at the rear end of the overflow weir sedimentation tank at the tail of the biochemical treatment unit, and the height of the top water outlet pipe 11 at the rear end of the overflow weir sedimentation tank is greater than the height of the top water outlet pipe 11 at the rear end of the biological aerated filter of the advanced treatment unit.

It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. The utility model provides a high concentration organic sewage integration treatment facility which characterized in that: the device comprises a pretreatment unit, a biochemical treatment unit and an advanced treatment unit which are sequentially arranged, wherein the pretreatment unit comprises a microfiltration device, a pretreatment tank and an inclined tube sedimentation tank which are sequentially communicated, and a water inlet pipe is arranged at the front end of the microfiltration device and used for introducing sewage to be treated; the biochemical treatment unit comprises a primary A tank, a primary O tank, a secondary A tank, a secondary O tank and an overflow weir sedimentation tank which are sequentially communicated, the advanced treatment unit comprises a biological aerated filter, and a water outlet pipe is arranged at the rear end of the biological aerated filter; the inclined tube sedimentation tank is communicated with the first-stage A tank, and the overflow weir sedimentation tank is communicated with the biological aerated filter.

2. The integrated treatment equipment for high-concentration organic sewage according to claim 1, characterized in that: the effluent heights of the pretreatment unit, the biochemical treatment unit and the advanced treatment unit are reduced in sequence.

3. The integrated treatment equipment for high-concentration organic sewage according to claim 1, characterized in that: the microfiltration device adopts a ceramic membrane filter, the bottom of the front end of the ceramic membrane filter is connected with the water inlet pipe, and the water inlet pipe is provided with a water inlet pump; the top of the front end of the pretreatment tank is provided with a water inlet which is used for being communicated with the top of the rear end of the microfiltration device, the bottom of the rear end of the pretreatment tank is communicated with the bottom of the inclined tube sedimentation tank through a one-way electromagnetic valve, and the top of the inclined tube sedimentation tank is communicated with the top of the first-stage A tank through a water outlet; the pretreatment tank is internally provided with a stirrer, and the top of the pretreatment tank is also provided with a dosing port.

4. The integrated treatment equipment for high-concentration organic sewage according to claim 3, characterized in that: the primary A tank, the primary O tank, the secondary A tank, the secondary O tank and the overflow weir sedimentation tank are respectively communicated through a water outlet pipe, the top of the rear end of the overflow weir sedimentation tank is communicated with the top of the front end of the biological aerated filter through a water outlet pipe, and the top of the rear end of the biological aerated filter is also provided with a water outlet pipe; and the bottom of the overflow weir sedimentation tank is communicated with the bottom of the first-stage A tank through a reflux pump.

5. The integrated treatment equipment for high-concentration organic sewage according to claim 4, characterized in that: stirrers are arranged in the primary A tank and the secondary A tank, aeration devices are arranged at the bottoms in the primary O tank, the secondary O tank and the biological aerated filter, and the aeration devices are connected with an air blower; the top parts of the first-stage A pool, the first-stage O pool, the second-stage A pool and the second-stage O pool are also provided with a dosing port;

6. The integrated treatment equipment for high-concentration organic sewage according to claim 5, characterized in that: the top in one-level A pond, one-level O pond, second grade A pond with the second grade O pond still sets up the gas vent, the gas vent is connected with gas purification device.

7. The integrated treatment equipment for high-concentration organic sewage according to claim 6, characterized in that: the biological aerated filter is characterized in that a packing layer is arranged in the biological aerated filter, the top end of a water outlet pipe at the top of the rear end of the sedimentation tank of the overflow weir is communicated with the sedimentation tank of the overflow weir, the bottom end of the water outlet pipe is communicated with the biological aerated filter and extends into the lower part of the packing layer, and the water outlet pipe at the top of the rear end of the biological aerated filter is positioned above the packing layer.

8. The integrated high-concentration organic sewage treatment equipment according to claim 7, characterized in that: the device is characterized by also comprising a control system and a monitoring system, wherein the control system comprises a controller and a control valve, the control valve is connected with the controller, and the control valve is arranged on the dosing port and the exhaust port; the monitoring system with the controller is connected, monitoring system includes pH electrode, DO electrode and on-line monitoring appearance, on-line monitoring appearance install in on the outlet pipe at bological aerated filter rear end top, the preliminary treatment pond one-level A pond one-level O pond second grade A pond with all be provided with in the second grade O pond the pH electrode, one-level O pond with all be provided with in the second grade O pond the DO electrode.

9. The integrated high-concentration organic sewage treatment equipment according to claim 8, characterized in that: the one-level A pond with still be provided with the sample connection on the second grade A pond, the preliminary treatment pond the pipe chute sedimentation tank the one-level A pond the second grade A pond and the bottom of overflow weir sedimentation tank is the toper, and all is provided with the mud discharging mouth.

10. The integrated treatment equipment for high-concentration organic sewage according to claim 1, characterized in that: the pretreatment tank, the pipe chute sedimentation tank one-level A pond the one-level O pond the second grade A pond the second grade O pond overflow weir sedimentation tank and the biological aerated filter set up in a casing, the outside of casing is provided with the heat preservation.