CN110803779A - Biological carrier enhanced reaction device for high-concentration organic wastewater treatment - Google Patents

Abstract

A biological carrier enhanced reaction device for high-concentration organic wastewater treatment, wherein the pretreatment unit performs solid-liquid separation on sewage to remove large particles in the water, and the solid-liquid separated sewage passes through the organic removal carrier unit and the mixed buffer unit in turn. And the nitrification carrier unit, the organic pollutants such as carbon and nitrogen in the water are degraded and removed under the action of microorganisms, and finally the supernatant of the precipitation separation unit is discharged up to the standard. In addition to organic matter carriers and nitrification carriers, the targeted microbial biomass and biological activity are improved, and the targeted degradation of pollutants can be achieved. The problem of weak resistance to toxicity. Under the variable load of organic pollutants, the phenomenon of sludge bulking is not easy to occur, with strong impact resistance, reliable operation, low sludge output and high efficiency, which is 2-3 times the processing capacity of ordinary activated sludge method, and improves the effluent quality. , reduce land occupation and infrastructure investment.

Description

A biological carrier-enhanced reaction device for high-concentration organic wastewater treatment

technical field

The invention belongs to the technical field of sewage treatment, and particularly relates to a biological carrier enhanced reaction device used for the treatment of high-concentration organic wastewater.

Background technique

High-concentration organic wastewater treatment is a difficult problem in the field of wastewater treatment. The most widely used and most economical method for wastewater treatment is biological treatment. However, the existing biological treatment methods have limited treatment capacity for high-concentration organic wastewater, long treatment time, and incomplete treatment. Therefore, the pursuit of high-concentration organic wastewater treatment methods with higher treatment efficiency, lower treatment costs and shorter treatment time is the goal that people have been pursuing. It is also particularly important to ease the environmental protection pressure of the owners and improve the vitality of the enterprise.

SUMMARY OF THE INVENTION

The present invention provides a device for the enhanced treatment of high-concentration organic wastewater by biological carriers, which can improve the targeted microbial biomass and biological activity of different process sections and realize the grading and pertinence of pollutants through the reasonable distribution and arrangement of the removal of organic matter carriers and nitrification carriers. Degradation solves the problems of poor impact resistance, weak salt resistance and toxicity resistance when traditional biological methods are used to treat sewage with high organic concentration and high salt content.

A biological carrier enhanced reaction device for high-concentration organic wastewater treatment includes: a pretreatment unit, an organic removal carrier unit, a mixed buffer unit, a nitrification carrier unit, a precipitation separation unit, a gas supply unit, a nitrification liquid return pipe and a sludge return Tube composition, characterized by:

The pretreatment unit is to perform solid-liquid separation on the injected high-concentration organic wastewater. The pretreatment unit is provided with a sewage inlet and a process connection port.

The organic removal carrier unit mixes and contacts the sewage from the pretreatment unit, and performs biological decarbonization and degradation treatment on the sewage from the pretreatment unit.

The sewage mixing buffer unit is used to further uniformly mix the sewage from the degradation of the organic removal carrier unit.

The sewage nitrification carrier unit performs biological denitrification, nitrification and degradation treatment on the sewage from the sewage mixed buffer unit, and the ammonia nitrogen in the sewage is converted into nitrate nitrogen. A part of the sewage is discharged into the sedimentation separation unit, and a part of the sewage is returned to the organic removal carrier unit to achieve the removal of total nitrogen pollutants.

The precipitation and separation unit is for precipitation of the sewage from the nitrification carrier unit, allowing a part of the clean water to be discharged up to the standard, returning a part of the water containing the oily sedimentary sludge for reprocessing, and allowing the remaining part of the sedimentary sludge to be discharged through a dedicated pipeline.

The setting side of the pretreatment unit is connected with the setting side of the organic removal carrier unit, and the connection sides of the two are communicated through a set screen grid.

The set side of the organic matter carrier unit is connected with the set side of the mixed buffer unit, and the connection sides of the two are communicated through a set screen grid.

The setting side of the mixed buffer unit is connected with the setting side of the nitrification carrier unit, and the connection sides of the two are communicated through a set screen grid.

The set side of the nitrification carrier unit is connected with the set side of the precipitation separation unit, and the connection sides of the two are communicated through a set screen grid.

One end of the nitrification solution return pipe is connected to the bottom of the precipitation separation unit, and the other end of the nitrification solution return pipe is connected to the bottom of the organic removal carrier unit to communicate the interior of the precipitation separation unit with the interior of the organic removal carrier unit. The sewage in the sediment separation unit is sent back to the organic removal carrier unit for reprocessing through the internal circulation system.

One end of the sludge return pipe is connected to the bottom of the sedimentation and separation unit, and the other end of the sludge return pipe is connected to the bottom of the pretreatment unit to communicate the interior of the sedimentation and separation unit with the interior of the pretreatment unit. The sewage in the sedimentation separation unit is returned to the pretreatment unit through the internal circulation system. The sludge in the sedimentation separation unit is removed.

The exhaust hole of the gas supply unit is respectively connected with the gas receiving hole pipeline of the mixing buffer unit and the nitrification carrier unit.

One end of the nitrification liquid return pipe is connected to the bottom of the nitrification carrier unit, and the other end of the nitrification liquid return pipe is connected to the bottom of the organic removal carrier unit to communicate the interior of the nitration carrier unit with the organic removal carrier unit. Through the internal circulation system, the sewage in the nitrification carrier unit is about 50~150% of the influent amount and sent back to the organic removal carrier unit for reprocessing. A part of the sewage is about 110~130% of the influent water and sent to the precipitation separation unit for precipitation treatment.

The pretreatment unit is mainly composed of a water inlet pipe, a solid-liquid separation device and a pre-processing area. One end of the water inlet pipe is communicated with the set position on the solid-liquid separation device, and the lower end of the solid-liquid separation device is communicated with the upper part of the pre-zone. The water inlet pipe is a sewage inlet provided on the pretreatment unit.

The organic removal carrier unit is mainly composed of an organic removal carrier, a first screen grid, a second screen grid and a carrier suspension machine. The organic removal carrier unit is filled with an organic removal carrier, a first screen grid is installed on the left wall of the organic removal carrier unit, and a second screen grid and a carrier suspension are installed on the inner wall on the right side of the organic removal carrier unit The carrier suspension machine is located below the second screen grid.

The interior of the pretreatment unit and the interior of the organic removal carrier unit communicate through the first screen grid.

The interior of the organic removal carrier unit and the interior of the mixed buffer unit communicate through the second screen grid.

The mixing buffer unit is mainly composed of a first aerator and a third screen grid. The first aerator is installed at the bottom of the mixing buffer unit, and the air receiving hole of the first aerator is the air receiving hole of the mixing buffer unit. The third screen grid is installed on the right side wall in the mixed buffer unit. The interior of the mixed buffer unit and the interior of the nitrification carrier unit communicate through the third screen grid.

The nitrification carrier unit is mainly composed of: a nitrification carrier, a fourth screen grid, an air lift pump and a second aerator. A nitrification carrier is installed in the nitrification carrier unit. The second aerator is installed at the bottom of the nitrification carrier unit, the air receiving hole of the second aerator is connected to the outlet of the air lift pump installed in the nitrification carrier unit, and the inlet of the air lift pump is the nitrification carrier unit stomata. The fourth screen grid is installed on the right side wall of the nitrification carrier unit. The interior of the nitrification carrier unit and the interior of the precipitation separation unit communicate through the fourth screen grid.

The sedimentation and separation unit is mainly composed of a water outlet pipe, a mud discharge pipe and an inclined plate. The sludge discharge pipe is installed in the lower part of the sedimentation and separation unit, the water outlet pipe is installed in the upper part of the sedimentation and separation unit, and the inclined plate is installed in the lower part of the water outlet pipe, which is located on the upper part of the fourth screen grid.

The organic removal carrier is a powdered activated carbon plastic-sealed porous structure with a surface-to-volume ratio of 2000-6000 m ² /m ³ .

The nitration carrier is a porous structure with polyvinyl alcohol as the basic material, and the surface-to-volume ratio is 1000-2000 m ² /m ³ .

The advantages of the invention are: through the reasonable distribution and arrangement of the removal of organic matter carriers and nitrification carriers, the targeted microbial biomass and biological activity of different process sections are improved, the graded and targeted degradation of pollutants is realized, and the traditional biological method is solved. When the concentration and high salt content of sewage are used, the impact resistance is poor, and the salt resistance and toxicity resistance are weak. It has outstanding performance under the variable load of organic matter, is not prone to sludge bulking, has strong impact resistance, stable performance and reliable operation. The sludge output is less, about one third of that of the activated sludge method. The sewage treatment efficiency is high, which is 2-3 times of the ordinary activated sludge treatment capacity, the volume load can reach 1.5-4 kgBOD ₅ /(m ³ ·d), and the effluent quality is improved, reducing the land occupation by 20-30%, reducing the Infrastructure investment.

Description of drawings

FIG. 1 is a schematic diagram of the structure of a biological carrier-enhanced reaction device for the treatment of high-concentration organic wastewater.

Detailed ways

Example 1

A biological carrier enhanced reaction device for high-concentration organic wastewater treatment includes: pretreatment unit 2, organic removal carrier unit 3, mixed buffer unit 4, nitrification carrier unit 5, precipitation separation unit 6, gas supply unit 7, nitrification liquid The return pipe 23 and the sludge return pipe 24 are formed; the pretreatment unit 2 is to perform solid-liquid separation on the injected high-concentration organic wastewater; the pretreatment unit 2 is provided with a sewage inlet and a process connection port;

The organic removal carrier unit 3 mixes and contacts the sewage from the pretreatment unit 2, and performs biological decarbonization and degradation treatment on the sewage from the pretreatment unit 2; 3. The degraded sewage is further uniformly mixed;

The sewage nitrification carrier unit 5 performs biological denitrification, nitrification and degradation treatment on the sewage from the sewage mixed buffer unit 4, and the ammonia nitrogen in the sewage is converted into nitrate nitrogen; part of the sewage is discharged into the sedimentation separation unit 6, and part of the sewage is discharged. Return to the removal of organic matter carrier unit 3 to achieve the removal of total nitrogen pollutants;

The precipitation and separation unit 6 is for precipitating the sewage from the nitrification carrier unit 5, allowing a part of the clean water to be discharged up to the standard, returning a part of the water containing the sedimented sludge for reprocessing, and allowing the remaining part of the sedimented sludge to be discharged through a dedicated pipeline. ;

The setting side of the pretreatment unit 2 is connected with the setting side of the organic removal carrier unit 3, and the connection sides of the two are connected through a set screen grid;

Except that the set side of the organic carrier unit 3 is connected with the set side of the mixed buffer unit 4, and the connection sides of the two are connected through a set screen grid;

The setting side of the mixing buffer unit 4 is connected with the setting side of the nitrification carrier unit 5, and the connection sides of the two are communicated through a set screen grid;

The set side of the nitrification carrier unit 5 is connected with the set side of the precipitation separation unit 6, and the connection sides of the two are communicated through a set screen grid;

One end of the nitrification solution return pipe 23 is connected to the bottom of the precipitation separation unit 6, and the other end of the nitrification solution return pipe 23 is connected to the bottom of the organic removal carrier unit 3 to communicate the interior of the precipitation separation unit 6 with the organic removal carrier unit 3. ; The sewage in the sediment separation unit 6 is sent back to the deorganization carrier unit 3 for reprocessing through the internal circulation system;

One end of the sludge return pipe 24 is connected to the bottom of the sedimentation separation unit 6, and the other end of the sludge return pipe 24 is connected to the bottom of the pretreatment unit 2, and the interior of the sedimentation separation unit 6 and the interior of the pretreatment unit 2 are communicated; The internal circulation system returns the sewage in the sedimentation and separation unit 6 to the pretreatment unit 2; the sludge in the sedimentation and separation unit 6 is removed;

The exhaust holes of the gas supply unit 7 are respectively connected with the gas receiving holes of the mixing buffer unit 4 and the nitrification carrier unit 5 .

The system composed of the above functional units completes the basic function of high-concentration organic wastewater treatment. The sewage enters a system of a biological carrier enhanced reaction device for the treatment of high-concentration organic wastewater through the pretreatment unit 2, and the sewage is treated. The air supply unit 7 provides oxygen for the microorganisms in the mixing buffer unit 4 and the nitrification carrier unit 5, and promotes the degradation and nitrification of water pollutants. The screen grid acts to restrict the passage of carriers of set specifications.

Example 2

Embodiment 2 of a biological carrier-enhanced reaction device for the treatment of high-concentration organic wastewater is basically the same as Embodiment 1, and the difference is:

One end of the nitrification solution return pipe 23 is connected to the bottom of the nitration carrier unit 5, and the other end of the nitrification solution return pipe 23 is connected to the bottom of the organic carrier unit 3, and the interior of the nitration carrier unit 5 and the organic removal carrier unit 3 are connected. Through the internal circulation system, the sewage in the nitrification carrier unit 5, which accounts for about 50~150% of the influent, is sent back to the organic removal carrier unit 3 for reprocessing; a part of the sewage accounts for about 110~130% of the influent. It is sent to the precipitation separation unit 6 for precipitation treatment.

This part is another system that completes the basic function of high-concentration organic wastewater treatment, which is mainly reflected in the nitrification liquid return pipe 23 connecting the organic removal carrier unit 3 and the nitrification carrier unit 5 through the bottom. The sewage in the nitrification carrier unit 5, which accounts for about 50-150% of the influent water, is sent back to the organic removal carrier unit 3 for reprocessing. Returns to the organic removal carrier unit 3 without passing through the precipitation separation unit 6 .

Example 3

Embodiment 3 of a biological carrier-enhanced reaction device for the treatment of high-concentration organic wastewater is basically the same as Embodiment 1, and the difference is:

The pretreatment unit 2 is mainly composed of: a water inlet pipe 1, a solid-liquid separation device 10 and a pre-zone 11; one end of the water inlet pipe 1 is communicated with a set position on the solid-liquid separation device 10, and the The lower end is communicated with the upper part of the pre-zone 11 ; the water inlet pipe 1 is the sewage inlet provided on the pretreatment unit 2 .

This part describes the main specific structure of the pretreatment unit 2. The sewage enters the solid-liquid separation device 10 of the pretreatment unit 2 through the water inlet pipe 1, the separated solids are discharged, and the liquid enters the pre-treatment area 11, and passes through the first screen grid. 13 Enter the organic removal carrier unit 3.

The organic removal carrier unit 3 is mainly composed of: the organic removal carrier 12, the first screen grid 13, the second screen grid 14 and the carrier suspension machine 15; the organic removal carrier unit 3 is filled with the organic removal carrier 12, and the removal A first screen grid 13 is installed on the left wall of the organic material carrier unit 3, and a second screen grid 14 and a carrier suspension machine 15 are installed on the inner wall of the right side of the organic material carrier unit 3. The carrier suspension machine 15 is located in the second screen. below the screen grid 14;

The interior of the pretreatment unit 2 and the interior of the organic removal carrier unit 3 communicate through the first screen grid 13;

The interior of the organic removal carrier unit 3 and the interior of the mixed buffer unit 4 communicate through the second screen grid 14 .

This part describes the main specific structure of the organic removal carrier unit 3. The sewage is degraded under the action of microorganisms attached to the organic removal carrier 12, and the sewage with reduced organic pollution concentration enters the mixed buffer unit 4 through the second screen grid 14.

The second screen grid 14 is used to prevent the organic removal carrier from entering the mixing buffer unit 4 from the organic removal carrier unit 3 . The provided carrier suspension machine 15 stirs the sewage, promotes the contact between the sewage and the organic removal carrier 12, and increases the degradation effect of organic substances in the sewage.

The mixing buffer unit 4 is mainly composed of: a first aerator 21 and a third screen grid 17; the first aerator 21 is installed at the bottom of the mixing buffer unit 4, and the air receiving hole of the first aerator 21 It is the air receiving hole of the mixed buffer unit 4; the third screen grid 17 is installed on the right side wall of the mixed buffer unit 4;

To further remove organic pollutants, the first aerator 21 generates air bubbles to increase the gas-liquid contact area, promote the dissolution of oxygen in the water, and is beneficial to the removal of organic pollutants.

The nitrification carrier unit 5 is mainly composed of: a nitrification carrier 16, a fourth screen grid 18, an air lift pump 19 and a second aerator 20; a nitrification carrier 16 is installed in the nitrification carrier unit 5; the second aeration The device 20 is installed at the bottom of the nitrification carrier unit 5, the air receiving hole of the second aerator 20 is connected with the outlet of the air lift pump 19 installed in the nitrification carrier unit 5, and the inlet of the air lift pump 19 is for nitrification. The air receiving hole of the carrier unit 5; the fourth screen grid 18 is installed on the right side wall of the nitrification carrier unit 5;

The ammonia nitrogen in the sewage is converted into nitrate nitrogen under the action of the microorganisms attached to the nitrification carrier 16, and a part of the sewage accounts for about 50-150% of the influent, which is returned to the organic removal carrier unit 3 through the nitrification liquid return pipe 23, and passes through the internal circulation. To achieve the removal of total nitrogen pollutants. A part of the sewage accounts for about 110-130% of the influent water and enters the sedimentation and separation unit 6 through the fourth screen grid 18 . The built-in second aerator 20 and the air lift pump 19 promote the tumbling of the sewage, increase the contact opportunity between the microorganisms on the nitrification carrier 16 and the sewage, so that the microorganisms promote the conversion of the sewage into nitrate nitrogen.

The described sedimentation separation unit 6 is mainly composed of: the water outlet pipe 8, the mud discharge pipe 9 and the inclined plate 22; , the inclined plate 22 is installed at the lower part of the water outlet pipe 8 and is located at the upper part of the fourth screen grid 18 .

The sewage enters the precipitation and separation unit 6, the upper clear liquid after precipitation is discharged up to the standard through the inclined plate 22 and the water outlet pipe 8, and the precipitation sludge, a part of which accounts for about 10-30% of the influent water, is returned to the front through the sludge return pipe 24. Set up zone 11, and the remaining part of the sludge is discharged out of the system through the sludge discharge pipe 9. The inclined plate 22 promotes the sedimentation of sewage.

The organic removal carrier 12 is a powdered activated carbon plastic-sealed porous structure with a surface-to-volume ratio of 2000-6000 m ² /m ³ .

The nitration carrier 16 is a porous structure with polyvinyl alcohol as the basic material, and the surface to volume ratio is 1000-2000 m ² /m ³ .

work process

The sewage enters the solid-liquid separation device 10 of the pretreatment unit 2 through the water inlet pipe 1, the separated solids are discharged, the liquid enters the pre-zone 11, and enters the organic removal carrier unit 3 through the first screen grid 13. The carbon and nitrogen in the sewage are organic The pollutants are degraded under the action of microorganisms attached to the organic removal carrier 12, and the sewage with reduced organic pollution concentration enters the mixed buffer unit 4 through the second screen grid 14 to further remove organic pollutants, and then enters the nitrification carrier through the third screen grid 17. In unit 5, the ammonia nitrogen in the sewage is converted into nitrate nitrogen under the action of the microorganisms attached to the nitrification carrier 16, and a part of the sewage accounts for about 50-150% of the influent, which is returned to the removal of organic matter carrier unit 3 through the nitrification liquid return pipe 23, The removal of total nitrogen pollutants is achieved through internal circulation. A part of the sewage accounts for about 110-130% of the influent water and enters the sedimentation and separation unit 6 through the fourth screen 18. The supernatant after the sedimentation is discharged through the inclined plate 22 and the outlet pipe 8 up to the standard. 10-30% of the water is returned to the pre-zone 11 through the sludge return pipe 24, and the remaining part of the sludge is discharged out of the system through the sludge discharge pipe 9; the first aerator 21 in the mixing buffer unit 4 is provided by the air supply unit 17 The air generates a large number of air bubbles in the mixing buffer unit, which promotes the contact between the sewage and the microorganisms attached to the organic removal carrier 12, and provides oxygen for the microorganisms to realize the degradation of organic pollutants. The second aerator 20 in the nitrification unit 5 provides air from the air supply unit 17 through the air lift pump 19, and the second aerator 20 generates a large number of air bubbles in the liquid, which promotes the contact between the sewage and the nitrification carrier 16, and is a Microorganisms provide oxygen to achieve the degradation of ammonia nitrogen pollutants.

The carrier suspending machine 15 provided in the organic removal carrier unit 3 is used to stir the liquid to promote the organic removal carrier 12 to maintain a suspended state in the liquid.

The aerators in the mixing buffer unit 4 and the nitrification unit 5 are supplied with gas by the gas supply unit 7 .

The air supply unit, aerator, air lift pump, screen grid, carrier suspension machine, inclined plate, water inlet pipe, water outlet pipe, sludge discharge pipe, organic matter removal carrier, nitrification carrier, digestion liquid return pipe and sludge The return line is a commercially available product.

Claims (9)

1. A biological carrier enhanced reaction device for high-concentration organic wastewater treatment, comprising: a pretreatment unit (2), a carrier unit (3) for removing organic matter, a mixed buffer unit (4), a nitrification carrier unit (5), a precipitation separation unit The unit (6), the gas supply unit (7), the nitrifying liquid return pipe (23) and the sludge return pipe (24) are composed; it is characterized in that: The pretreatment unit (2) is for performing solid-liquid separation on the injected high-concentration organic wastewater; the pretreatment unit (2) is provided with a sewage inlet and a process connection port; The organic removal carrier unit (3) mixes and contacts the sewage from the pretreatment unit (2), and performs biodegradation treatment on the sewage from the pretreatment unit (2); The sewage mixing buffer unit (4) further removes organic pollutants from the sewage from the organic removal carrier unit (3); The sewage nitrification carrier unit (5) converts ammonia nitrogen in the sewage from the sewage mixed buffer unit (4) into nitrified nitrogen; part of the sewage is discharged into the sedimentation separation unit (6), and part of the sewage is returned for reprocessing, Realize the removal of total nitrogen pollutants; The precipitation and separation unit (6) is for precipitating the sewage from the sewage nitrification carrier unit (5), allowing a part of the clean water to be discharged up to the standard, returning a part of the sludge-containing water for reprocessing, and allowing the remaining sludge to pass through a special pipe. road exclusion; The setting side of the pretreatment unit (2) is connected with the setting side of the organic removal carrier unit (3), and the connection sides of the two are connected through a set screen grid; Except that the set side of the organic carrier unit (3) is connected with the set side of the mixed buffer unit (4), and the connection sides of the two are connected through a set screen grid; The setting side of the mixing buffer unit (4) is connected with the setting side of the nitrification carrier unit (5), and the connection sides of the two are communicated through a set screen grid; The set side of the nitrification carrier unit (5) is connected with the set side of the precipitation separation unit (6), and the connection sides of the two are communicated through a set screen grid; One end of the nitrification solution return pipe (23) is connected to the bottom of the precipitation and separation unit (6), and the other end of the nitrification solution return pipe (23) is connected to the bottom of the organic removal carrier unit (3), and the sedimentation and separation unit (6) is connected to the bottom of the carrier unit (3). The interior is communicated with the interior of the organic removal carrier unit (3); the sewage in the sedimentation separation unit (6) is sent back to the organic removal carrier unit (3) for reprocessing through the internal circulation system; One end of the sludge return pipe (24) is connected to the bottom of the precipitation and separation unit (6), and the other end of the sludge return pipe (24) is connected to the bottom of the pretreatment unit (2) to separate the interior of the sedimentation and separation unit (6). communicate with the interior of the pretreatment unit (2); return the sewage in the precipitation and separation unit (6) to the pretreatment unit (2) through the external circulation system; remove the sludge in the precipitation and separation unit (6); The exhaust holes of the gas supply unit (7) are respectively connected with the gas receiving holes of the mixing buffer unit (4) and the nitrification carrier unit (5). 2. The biological carrier enhanced reaction device for high-concentration organic wastewater treatment according to claim 1, characterized in that: one end of the nitrification liquid return pipe (23) is connected to the nitrification carrier unit (5). At the bottom, the other end of the nitrification solution return pipe (23) is connected to the bottom of the organic removal carrier unit (3) to connect the interior of the nitrification carrier unit (5) with the interior of the organic removal carrier unit (3); About 50~150% of the sewage in the nitrification carrier unit (5) is sent back to the organic removal carrier unit (3) for reprocessing; about 110~130% of the sewage is sent to the sedimentation separation unit (6) ) for precipitation treatment. 3. A biological carrier enhanced reaction device for high-concentration organic wastewater treatment according to claim 1, characterized in that: the pretreatment unit (2) is mainly composed of: a water inlet pipe (1), a solid-liquid separation The device (10) is formed with a pre-zone (11); one end of the water inlet pipe (1) is communicated with a set position on the solid-liquid separation device (10), and the lower end of the solid-liquid separation device (10) is connected to the pre-zone (11). ) is communicated with the upper part; the water inlet pipe (1) is a sewage inlet provided on the pretreatment unit (2); the pretreatment unit (2) is provided with a process connection hole. 4. a kind of biological carrier strengthening reaction device for high-concentration organic wastewater treatment according to claim 1, is characterized in that: The organic removal carrier unit (3) is mainly composed of: an organic removal carrier (12), a first screen grid (13), a second screen grid (14) and a carrier suspension machine (15); 3) An organic removal carrier (12) is filled inside, a first screen grid (13) is installed on the left wall of the organic removal carrier unit (3), and a first screen grid (13) is installed on the inner wall on the right side of the organic removal carrier unit (3). A second screen grid (14) and a carrier suspension machine (15) are provided, and the carrier suspension machine (15) is located below the second screen grid (14); a process connection hole is provided on the organic matter removal carrier unit (3); The interior of the pretreatment unit (2) and the interior of the organic removal carrier unit (3) are communicated through the first screen grid (13); The interior of the organic removal carrier unit (3) and the interior of the mixed buffer unit (4) communicate through the second screen grid (14). 5. a kind of biological carrier strengthening reaction device for high-concentration organic wastewater treatment according to claim 1, is characterized in that: The mixing buffer unit (4) is mainly composed of: a first aerator (21) and a third screen grid (17); the first aerator (21) is installed at the bottom of the mixing buffer unit (4) , the air receiving hole of the first aerator (21) is the air receiving hole of the mixing buffer unit (4); the third screen grid (17) is installed on the right side wall of the mixing buffer unit (4); the mixing buffer unit ( 4) The interior and the interior of the nitrification carrier unit (5) are communicated through the third screen grid (17). 6. A biological carrier enhanced reaction device for high-concentration organic wastewater treatment according to claim 1, characterized in that: the nitrification carrier unit (5) is mainly composed of: a nitrification carrier (16), a fourth screen The grid (18), the air lift pump (19) and the second aerator (20) are composed; the nitrification carrier (16) is installed in the nitrification carrier unit (5); the second aerator (20) is installed in the At the bottom of the nitrification carrier unit (5), the air receiving hole of the second aerator (20) is connected with the outlet of the air lift pump (19) installed in the nitrification carrier unit (5). The air lift pump (19) ) is the stomata receiving hole of the nitrification carrier unit (5); the fourth screen grid (18) is installed on the right side wall of the nitrification carrier unit (5); the interior of the nitrification carrier unit (5) and the precipitation separation unit (6) ) is internally communicated through the fourth screen grid (18). 7. a kind of biological carrier strengthening reaction device for high-concentration organic wastewater treatment according to claim 1, is characterized in that: The sediment separation unit (6) is mainly composed of a water outlet pipe (8), a mud discharge pipe (9) and a sloping plate (22); the mud discharge pipe (9) is installed in the lower part of the sedimentation separation unit (6), The water outlet pipe (8) is installed at the upper part of the sedimentation separation unit (6), and the inclined plate (22) is installed at the lower part of the water outlet pipe (8), and is located at the upper part of the fourth screen grid (18). 8 . The biological carrier enhanced reaction device for high-concentration organic wastewater treatment according to claim 4 , wherein the organic removal carrier ( 12 ) is a powdered activated carbon plastic-sealed porous structure, and the surface to volume ratio is 8 . 2000-6000 m ² /m ³ . 9 . The biological carrier enhanced reaction device for high-concentration organic wastewater treatment according to claim 6 , wherein the nitrification carrier ( 16 ) is a porous structure with polyvinyl alcohol as the basic material, 10 . The surface to volume ratio is 1000-2000 m ² /m ³ .

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