CN114958597B

CN114958597B - Microbial incubation propagation reactor of sewage treatment BEBR (Beebr bioreactor) system and application

Info

Publication number: CN114958597B
Application number: CN202210918733.8A
Authority: CN
Inventors: 夏青; 韩涛; 夏新; 赵健; 陈燕燕; 姚毅
Original assignee: China Green Times Beijing Biotechnology Co ltd
Current assignee: China Green Times Beijing Biotechnology Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-09-27
Anticipated expiration: 2042-08-02
Also published as: CN114958597A

Abstract

The application discloses a microorganism hatching propagation expanding reactor of a sewage treatment BEBR system and application. The microbial incubation propagation reactor designed by the application can replace the common technologies of increasing civil engineering, enlarging the pool capacity of a biochemical pool, prolonging the biochemical process and adding a microbial inoculum by increasing the number of efficient microbes greatly according to needs. The universal equipment is used for improving the biological assimilation capacity and reducing the carbon consumption, the effluent meets the requirement of newly-grown water, the incubation and propagation expanding function of the universal equipment can promote a three-phase microbial symbiotic system in a biochemical pond to improve the pollutant reduction capacity of the biochemical pond by 30 percent, and the one-time investment is reduced by 50 percent. The microbial incubation propagation reactor can continuously operate and ensure the precise regulation and control of the species and the quantity of the propagated microbes.

Description

Microbial incubation propagation reactor of sewage treatment BEBR (Beebr bioreactor) system and application

Technical Field

The application relates to the technical field of sewage treatment, in particular to a microorganism incubation and propagation expanding reactor of a sewage treatment BEBR system and application.

Background

Sewage treatment (waste water treatment) is a process of purifying sewage to meet the water quality requirement for discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people.

At present, in order to meet the requirement of ecological water, a sewage treatment plant mainly adopts the following three ways to realize quality improvement and efficiency improvement:

1. increasing civil engineering, enlarging the tank capacity of the biochemical tank, and increasing the number and the retention time of microorganisms by means of enlarging the tank capacity.

2. And (3) adding processes, such as MBR (membrane biological reactor) membrane, ozone oxidation treatment and the like, and improving the water quality in a physical and strong oxidation mode.

3. A large amount of strains are added and supplemented for a long time, and the microbial quantity and the sludge activity are improved.

However, the above prior art also brings about a number of disadvantages, which are specifically shown in: the cost is high; the method does not conform to the direction of continuous operation, quality improvement and efficiency increase, has poor treatment effect, can not be stable for a long time, and treats both symptoms and root causes.

Therefore, a new device for upgrading and increasing efficiency of sewage treatment needs to be developed to overcome the defects in the prior art.

Disclosure of Invention

The prior art for improving quality and increasing efficiency of sewage treatment faces the technical problems of high treatment cost, low treatment efficiency, poor treatment effect, instability and the like.

In order to solve or alleviate some technical problems, the application provides a new technical scheme, namely high-efficient expanding propagation reactor, aims at utilizing the microorganism quantity and the quality that increase by a wide margin to subdue the pollutant, promotes biological assimilation ability, stably promotes sewage treatment plant treatment efficiency, goes out the water and reaches four kinds of standards of ground level, supply ecological water.

The method is based on a brand-new microorganism incubation and propagation reactor, and creates a traditional mode of replacing civil engineering with high-tech equipment to realize quality improvement and efficiency improvement; biological enzyme is used as a growth promoter, so that nutrition is supplied, and the hatching and propagation capacity of the reactor is improved ten times; the microbial inoculum is taken as a main line, is adapted according to water difference and needs, forms a mud phase, a model phase and a liquid phase microbial community symbiotic system, and improves the biological assimilation capability. The method has the greatest characteristics of no conflict with the original biochemical system of the treatment plant, no water stop, no production stop and no civil engineering, and realizes the improvement of the pollutant reduction capacity by 30 percent.

In a first aspect, the present application discloses a microorganism hatching propagation reactor, which includes:

a support;

an incubation chamber; the hatching chamber is a cavity structure enclosed by the side walls of the grid structure, polyurethane materials are filled in the cavity of the hatching chamber, and the hatching chamber is positioned above the bottom plate of the bracket and is fixed on the bracket;

an equipment area; the equipment area is in a cavity structure surrounded by the graphene electrothermal film, a centrifugal aerator fixedly connected with the graphene electrothermal film is arranged in the cavity of the equipment area, and a base of the centrifugal aerator is fixed on a support;

an air inlet pipe; one end of the air inlet pipe is connected to a centrifugal aerator in the equipment area and used for sucking air into the centrifugal aerator to form air-dissolved water when the microorganism hatching propagation expanding reactor works.

Further, the microorganism hatching and propagation expanding reactor is provided with an outer wall; the outer wall is formed by microporous plate materials and is wrapped on the bracket, which ensures that suspended matters in water are prevented from entering the cavity of the microorganism hatching and propagation reactor to block when the microorganism hatching and propagation reactor is put into water for working.

Further, the microorganisms incubated in the incubation chamber comprise photosynthetic bacteria, and the photosynthetic bacteria have a proliferation effect while degrading organic matters and hydrogen sulfide under the condition of growth light, so that the oxygen increasing capacity and the biological assimilation of a water body are improved.

Further, the microorganisms incubated in the incubation chamber comprise nitrogen-fixing bacteria, and the nitrogen-fixing bacteria are used for removing nitrogen in sewage.

Further, the equipment area comprises a breeding light lamp which provides breeding light conditions for the microorganisms in the microorganism hatching and propagation reactor.

Further, the polyurethane material is enriched with the aptobacterium and the biological enzyme, and the aptobacterium and the biological enzyme are used for efficiently removing organic substances in water, so that the degradation speed of various microorganisms is accelerated, and meanwhile, the ecological membrane formed by microorganism enrichment in the microorganism hatching and propagating reactor is promoted to be used for promoting the rate of degrading the organic substances.

Furthermore, a silencer is arranged at the air inlet end of the air inlet pipe and used for eliminating or reducing noise generated when the microorganism hatching and propagation expanding reactor works.

Furthermore, the hatching chamber and the end of the equipment area close to the air inlet of the air inlet pipe are covered with a cover body for preventing interferents from entering the cavity of the hatching chamber and the equipment area to influence the normal use of the microorganism hatching propagation expanding reactor.

Furthermore, the cover body of the hatching chamber is provided with an opening and closing button so as to realize the closing and opening of the cavity of the hatching chamber.

In a second aspect, the present application provides an application of the microorganism incubation propagation reactor in the first aspect in sewage treatment, which focuses on that the microorganism incubation propagation reactor in the reactor forms a symbiotic system with original and added microorganisms outside the reactor, so as to realize an integrated effect.

Compared with the prior art, the application has at least the following beneficial effects:

the application relates to a microorganism hatching and propagation expanding reactor of a sewage treatment BEBR system and application thereof. The microbial incubation propagation reactor designed by the application can replace the scheme of increasing civil engineering and expanding the pool capacity of a biochemical pool in the prior art, and the aim of not stopping production, water and civil engineering is fulfilled, so that the one-time investment is reduced by 50%; the microbial incubation propagation reactor improves the biological assimilation capacity, reduces the carbon consumption, improves the requirement that the outlet water meets the fresh water, and is used as a three-phase microbial symbiotic system cultivation device to improve the pollutant reduction capacity of a biochemical pool by 30%; the microorganism hatching and propagation reactor can continuously operate and ensure the precise regulation and control of the species and the quantity of the propagated microorganisms.

Drawings

Fig. 1 is a main body diagram of a microorganism hatching propagation reactor provided in an embodiment of the present application.

FIG. 2 is a sectional view of a microorganism hatching and propagation reactor provided in an embodiment of the present application;

the device comprises a silencer 1, an air inlet pipe 2, a support 3, an equipment area 4, an opening and closing buckle 5, an incubation chamber 6, a centrifugal aerator water inlet 7, a centrifugal aerator water outlet 8, a centrifugal aerator air-dissolving water outlet 9, a flange 10, a fixing screw 10, a growth light wire lamp 11, a graphene electrothermal film 12 and a centrifugal aerator 13.

FIG. 3 is a cross-sectional view at A in FIG. 1 as provided by an embodiment of the present application;

wherein, 14-hatching chamber upper cover body, 15-equipment area upper cover body.

FIG. 4 is a cross-sectional view at B in FIG. 1 provided by an embodiment of the present application;

wherein, 16-dissolved air water, 17-polyurethane filler and 18-photosynthetic bacteria.

FIG. 5 is a cross-sectional view at C of FIG. 1 provided by an embodiment of the present application;

wherein, 19-bottom air inlet pipe, 20-centrifugal aerator base.

Fig. 6 is a polyurethane material for enriching microorganisms provided in an embodiment of the present application.

Fig. 7 is a microscopic view of microorganisms for sewage treatment according to an embodiment of the present application.

FIG. 8 shows the effect of the treated sewage from the municipal sewage plant according to the embodiment of the present application.

FIG. 9 is a third party test report of a municipal sewage plant after sewage treatment according to an embodiment of the present application.

Fig. 10 is a picture of a sewage treatment plant in guangdong provided by the embodiment of the present application before sewage treatment.

Fig. 11 is a microscopic examination diagram of microorganisms for sewage treatment in Guangdong sewage plant according to an embodiment of the present application.

FIG. 12 shows the effect of the sewage treatment of the Guangdong sewage plant according to the embodiment of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

The microbial incubation propagation reactor is a composite microbial system mainly comprising incubation and propagation adaptive bacteria, photosynthetic bacteria 18 and azotobacter to form an ecological film of high-density microbes. The microorganism hatching and propagation reactor ensures that microorganisms have excellent survival, high metabolism and high enrichment environment in the microorganism hatching and propagation reactor. During actual operation, air is sucked into the negative pressure area of the mixing chamber of the microorganism hatching propagation expanding reactor through the air suction pipe, and microorganism propagation expanding conditions such as oxygenation and constant temperature of liquid, uniform mixing of biological enzyme carriers and the like are completed. The integrated effect of the output of the adapter bacteria, the photosynthetic bacteria 18 and the azotobacter is achieved outside the microbial incubation propagation expanding reactor.

Structure and function of microbial incubation propagation reactor

As shown in fig. 1-2, an embodiment of the present application discloses a microbial incubation propagation reactor, which includes:

the device comprises a bracket 3, an incubation chamber 6, a device area 4 and an air inlet pipe 2; wherein

The hatching chamber 6 is a cavity structure enclosed by the side walls of the grid structure, polyurethane materials (shown in figure 4) are filled in the cavity of the hatching chamber, and the polyurethane fillers 17 are used for enriching adaptive flora and biological enzymes, efficiently removing organic substances in water, accelerating the improvement of the degradation speed of various microorganisms and simultaneously promoting the formation of an ecological film enriched with indigenous microorganisms in the microorganism hatching propagation reactor; the hatching chamber 6 is positioned above the bottom plate of the bracket 3 and is fixed on the bracket 6; the hatching chamber 6 is a core part, directionally hatches a plurality of microorganisms, is communicated with sewage, and creates the symbiotic conditions of membrane phase, mud phase and liquid phase microorganisms;

as shown in fig. 4 to 5, the equipment area 4 is a cavity structure surrounded by a graphene electrothermal film (or a graphene heating membrane, or a graphene membrane), a centrifugal aerator 13 fixedly connected with the graphene electrothermal film is arranged in the cavity, and a base of the centrifugal aerator 13 is fixed on the bracket 3; in the equipment area 4, the graphene electrothermal film has a heating function, so that the temperature for hatching and propagating microorganisms is controlled.

One end of the air inlet pipe 2 is connected to the centrifugal aerator 13 in the equipment area 4, and the centrifugal aerator sucks air to form dissolved air water 16 when the microorganism hatching propagation expanding reactor works, and the dissolved air water 16 contains oxygen, so that the dissolved oxygen requirement in water can be adjusted as required by the centrifugal aerator 13 in the equipment area 4, and rapid activation and propagation of microorganisms are realized.

In certain embodiments, the microorganism hatching propagation reactor comprises an outer wall; the outer wall is made of microporous plate material and is wrapped on the bracket 3, which ensures that suspended matters in water are prevented from entering the cavity of the microorganism hatching and propagation reactor to block when the microorganism hatching and propagation reactor is put into water for working.

In some embodiments, the microorganisms incubated in the incubation chamber 6 include photosynthetic bacteria 18, and the photosynthetic bacteria 18 have a proliferation effect under the condition of the growth light to degrade organic matters and hydrogen sulfide, so that the oxygen increasing capacity of the water body and the biological assimilation are improved.

In certain embodiments, the microorganisms incubated within incubation chamber 6 include nitrogen-fixing bacteria for nitrogen removal in the wastewater.

In some embodiments, the facility area 4 further comprises a fertility light lamp 11, which provides fertility light conditions for the microorganisms in the microorganism incubation propagation reactor. Under the condition of illumination in water, organic matters and hydrogen sulfide can be directly degraded and simultaneously have proliferation effect, the oxygen increasing capacity and biological assimilation of the water body are improved, and synergistic conditions are provided for a sludge-phase and liquid-phase microbial system of a biochemical pond.

In certain embodiments, the polyurethane material is enriched in a biological enzyme that serves to increase the rate at which organic matter is degraded.

In some embodiments, the air inlet end of the air inlet pipe 2 is further provided with a silencer 1 for eliminating or reducing noise generated during the operation of the microorganism hatching propagation reactor.

In some embodiments, the end of the incubation chamber 6 and the equipment area 4 close to the air inlet of the air inlet pipe 2 is covered with an incubation chamber upper cover 14 and an equipment area upper cover 15 (as shown in fig. 3) for preventing interferents from entering the cavity of the incubation chamber 6 and the equipment area 4 to affect the normal use of the microorganism incubation propagation reactor.

In some embodiments, the upper cover 14 of the hatching chamber is provided with a switch buckle 5 to realize the closing and opening of the cavity of the hatching chamber 6 (as shown in fig. 3).

In some embodiments, the adapted flora used for filling the propagation expanding reactor is inoculated with the fast-adapted strain with strong activity reaction through special culture equipment, the real water quality condition is simulated, and the adapted flora suitable for the water quality characteristic is directionally cultured so as to rapidly propagate in a large quantity. After being qualified by microscopic examination, biochemical detection and the like, the culture medium is enriched in a hydrophilic polyurethane carrier and placed in an incubation chamber 6, and the culture medium comprises the following steps: inoculating, culturing, microscopic examination, biochemical detection, identification, transplanting and filling in a propagation reactor.

In the embodiment of the application, the microorganism hatching and propagation reactor has three anti-blocking measures, which are respectively:

1. working environment anti-blocking

The microorganism hatching and propagation reactor is arranged in a non-sedimentation area of a biochemical section water tank and is suspended in the water tank. The section of inlet water is treated by additionally arranging an internal inflow type fine grid on the site, so that solid-liquid separation is realized, and solid particles and suspended matters in water are greatly reduced. The first important anti-blocking measure, namely the anti-blocking of the working environment is realized, and the influence of the environment for the external working of the microorganism incubation propagation reactor is reduced to the maximum extent.

2. Air suction anti-blocking device for submersible pump

The centrifugal aerator 13 submersible pump of the microorganism hatching propagation expanding reactor sucks air but does not suck water, the submersible pump is directly connected with the air inlet pipe, a negative pressure area is formed by centrifugal force generated by a rotating impeller, air is sucked through the air inlet pipe, a second anti-blocking measure is realized, only air entering the equipment area 4 is ensured, and direct contact with various suspended matters in water is cut off.

3. Microporous plate material anti-blocking

The outer wall of the microbial incubation propagation reactor is made of a microporous plate material, the microporous plate is permeable under no pressure during operation, the third blockage prevention is realized, and meanwhile, the device is easy to hoist and mount and is convenient to clean and maintain.

In some embodiments, the number of the microorganism incubation propagation reactors for sewage treatment is different according to different requirements. There are generally two methods of installation:

1. the existing on-pool walkway is utilized. The upper part of the microorganism hatching and propagation reactor is fixedly arranged on the walkway plate, and the whole working area is immersed below the water surface.

2. The controllable suspension module is arranged, the upper part of the microorganism hatching propagation reactor is fixedly arranged on the suspension module, and the whole hatching chamber 6 area is immersed below the sewage surface of the biochemical pool.

The microorganism hatching and propagation expanding reactor is arranged in a non-sedimentation area of a biochemical section water tank for sewage treatment, water inflow is realized by arranging a grid, and an internal inflow type fine grid is preferably adopted, so that solid-liquid separation is realized, and solid particles and suspended matters in water are greatly reduced. The anti-blocking working environment is realized, and the influence of the external working environment of the microorganism hatching propagation reactor is reduced to the maximum extent.

The above description has been made in all aspects from the aspects of the composition structure, the structural functions, the installation manner, and the like of the microorganism incubation propagation reactor, and in combination with the foregoing, the microorganism incubation propagation reactor in the embodiment of the present application has the following effects:

1. the microorganism hatching propagation reactor for sewage treatment can ensure that microorganisms have excellent living, metabolism and high enrichment environment of microorganisms in the reactor, can efficiently improve the quantity and quality of target microorganisms, and can symbiotically and coexistly produce an integrated effect with existing mud phase, membrane phase and liquid phase microorganisms in a sewage treatment tank through outputting the adapted bacteria microorganisms after propagation.

2. The microbial incubation propagation reactor for sewage treatment replaces the capacity expansion measure of a biochemical pool of civil engineering, does not need to move civil engineering, does not stop water, does not influence the normal operation of a sewage plant, and realizes the purposes of reducing cost, improving quality and increasing efficiency by using an adding device.

3. The microbial incubation propagation reactor for sewage treatment aims at improving biological assimilation capability, reducing carbon consumption and improving water yield to meet the requirement of fresh water, and emphasizes on making up for some loss or reinforcement of a mud phase, a liquid phase and a membrane phase in a sewage plant;

4. the microorganism hatching propagation reactor for sewage treatment provides suitable breeding light, temperature and fine air-water mixture easily absorbed by microorganisms for the microorganisms needing propagation in the hatching chamber 6 through a breeding light wire, a graphene electrothermal film and a diving centrifugal aerator in the equipment area 4, can directionally hatch various microorganisms, and obviously improves the activation speed and propagation capacity of the microorganisms;

5. in the microbial incubation propagation reactor for sewage treatment, photosynthetic bacteria 18 in an incubation chamber 6 can directly degrade organic matters and hydrogen sulfide and simultaneously generate a propagation effect under the condition of fertility light, so that the oxygenation capacity and biological assimilation of a water body are improved, and synergistic conditions are provided for a sludge phase and liquid phase microbial system of a biochemical pool;

6. the microorganism hatching propagation reactor for sewage treatment has the advantages that azotobacteria in the hatching chamber 6 has a good oxygen prevention mechanism, the surrounding of cells is ensured to be in a low-oxygen state, azotase can be protected from being damaged and inactivated, the azotase can be effectively improved, continuous propagation can be carried out in an anaerobic pool and an anoxic pool, and degradation is accelerated;

7. the biological enzyme in the incubation chamber 6 of the microbial incubation propagation reactor for sewage treatment can fully utilize the catalytic action of the enzyme to improve the rate of degrading organic matters and reduce the activation energy of incubation propagation. The biological enzyme is fully enriched in the polyurethane carrier in the microbial incubation propagation reactor, so that the loss of free enzyme along with water can be avoided.

Application of microorganism incubation propagation reactor in sewage treatment

1. The main obstacles of a certain municipal sewage plant to the IV-class water quality on the ground surface are ammonia nitrogen and total nitrogen. The IV-class water is mainly suitable for general industrial water areas and recreational water areas which are not directly contacted with human bodies.

According to the water quality requirement, nitrifying bacteria (nitrate bacteria, nitrite bacteria and the like) and denitrifying bacteria (proteus, pseudomonas, chlorella, bacillus, achromobacter, alcaligenes and the like) are respectively inoculated to special culture equipment for simulating the process, the residence time, the reflux ratio and the like of a sewage plant, the real water quality condition is simulated, the flora is continuously cultured and domesticated, the growth condition is detected by microscopic examination and biochemical detection every day, after the adaptive flora with high activity, impact resistance and water quality adaptation is cultured and domesticated, a hydrophilic polyurethane carrier is added for transplanting (as shown in figure 6), so that a large amount of microorganisms are enriched on the carrier (as shown in figure 7), and after a biological membrane is formed, the polyurethane carrier is filled in a microorganism hatching propagation reactor.

As a result: after 20 days of incubation and propagation, the field water quality is obviously improved (as shown in figure 7), the polyurethane film is dense, and the water quality is detected by a third party to stably reach the IV-class water on the earth surface (as shown in figure 9) by matching with other Biological Enzyme Bacteria Reactor (BEBR) series technologies.

2. According to a certain sewage plant in Guangdong, the designed water amount is 30000 m/d, 70% of inflow water is printing and dyeing tail water, and 30% of inflow water is domestic sewage, and the sewage plant can only maintain 60% of designed water amount operation due to COD (chemical oxygen demand) problem, so that a large amount of sewage cannot be digested (as shown in fig. 10), and the quantity increase is urgently needed.

Through the analysis of water quality, the COD of the inlet water has poor biodegradability and contains sulfide, and according to the water quality condition, respectively inoculating COD bacteria (bacillus, hydrolytic bacteria, zymogenic bacteria, methanogen, hydrogen-producing acetogen, bacillus pumilus) and desulfurizing bacteria (SBR) (vibrio desulfurates, enterobacter desulfurates, pseudomonas desulfurates, colorless sulfuricum and the like) to special culture equipment by simulating the process, the residence time, the reflux ratio and the like of a sewage plant, and simulating the real water quality condition, continuously culturing and domesticating flora, performing microscopic examination and biochemical detection every day (as shown in FIG. 11), culturing and domesticating to obtain adaptive flora with high activity, impact resistance and water quality adaptation, adding a hydrophilic polyurethane carrier for transplanting, so that a large number of microorganisms are enriched on the carrier to form a biological membrane, and filling the polyurethane carrier into a microorganism incubation propagation reactor.

As a result: through one-month debugging, the sludge activity is continuously enhanced, the types and the number of dominant floras are continuously increased, sludge flocs are increased, the sedimentation performance is improved, and the impact resistance is greatly improved. By matching with other BEBR technologies, the treatment capacity reaches about 32000 m/d, the treatment water amount is increased to 110% of the design water amount, and the COD of the effluent is continuously stabilized below 35mg/l (as shown in FIG. 12).

The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application.

Claims

1. A microorganism hatching propagation reactor, which is characterized by comprising:

a support;

an outer wall; the outer wall is made of microporous plate materials and is wrapped on the bracket, so that suspended matters in water are prevented from entering the cavity of the microorganism hatching and propagation reactor to be blocked when the microorganism hatching and propagation reactor is put into water to work;

an incubation chamber; the hatching chamber is a cavity structure enclosed by the side walls of the grid structure, is positioned above the bottom plate of the bracket and is fixed on the bracket, and polyurethane materials are filled in the cavity of the hatching chamber; the polyurethane material is enriched with the aptobacterium and the biological enzyme, the aptobacterium and the biological enzyme are used for efficiently removing organic substances in water, so that the degradation speed of various microorganisms is accelerated, and meanwhile, the microorganism-enriched ecological membrane formed in a microorganism incubation propagation reactor is promoted to be used for promoting the rate of degrading organic substances;

an equipment area; the equipment area is in a cavity structure surrounded by the graphene electrothermal film, a centrifugal aerator fixedly connected with the graphene electrothermal film is arranged in the cavity of the equipment area, and a base of the centrifugal aerator is fixed on a support; the equipment area also comprises a fertility light lamp which provides fertility light conditions for the microorganisms in the microorganism incubation propagation expanding reactor;

2. The microorganism hatching and propagation expanding reactor according to claim 1, wherein the microorganisms hatched in the hatching chamber comprise photosynthetic bacteria, and the photosynthetic bacteria have a proliferation effect while degrading organic matters and hydrogen sulfide under the condition of growth light, so that the oxygen increasing capacity of a water body and the biological assimilation are improved.

3. The microorganism hatching propagation reactor according to claim 1, wherein the microorganisms hatching in the hatching chamber comprise nitrogen-fixing bacteria for removing nitrogen in sewage.

4. The microbe hatching propagation reactor according to claim 1, wherein a silencer is installed at an air inlet end of the air inlet pipe for eliminating or reducing noise generated during the operation of the microbe hatching propagation reactor.

5. The microbe incubation propagation reactor according to claim 1, wherein the incubation chamber and the equipment area are covered with a cover at an end close to the air inlet of the air inlet pipe, so as to prevent interferents from entering the cavity of the incubation chamber and the equipment area and affecting the normal use of the microbe incubation propagation reactor.

6. The microorganism hatching propagation reactor according to claim 5, wherein the cover body of the hatching chamber is provided with an opening and closing button to realize the closing and opening of the cavity of the hatching chamber.

7. Use of the microorganism hatching and propagation reactor of any one of claims 1 to 6 in sewage treatment.