CN107098468A - The jet anaerobic biological reactor of high concentration organic sewage processing - Google Patents

Abstract

The invention discloses a jet flow anaerobic bioreactor for treating high-concentration organic sewage, which comprises a reactor main body area, gas purification areas and separation and precipitation areas on both sides of the reactor body; The outlet end is connected, the water inlet end of the ejector is connected to the separation and sedimentation area through the circulating water pipeline, and the inlet end of the ejector is connected to the gas purification area through the biogas pipeline; The mixed liquid connection hole, the bottom of the separation and sedimentation area is provided with a sludge return hole connected to the bottom of the reactor main body area. The jet flow anaerobic bioreactor realizes the fluidization of the reactor and the complete and uniform mixing of the sewage sludge in the form of anaerobic jet flow of biogas generated by the reactor itself. Since the biogas is in a closed loop state, the fluidization effect is affected. The production of biogas has little effect, and it can be applied to the treatment of high-concentration organic wastewater with poor biochemical properties.

Description

Jet flow anaerobic bioreactor for high concentration organic sewage treatment

technical field

The invention relates to the technical field of sewage treatment, in particular to a jet flow anaerobic bioreactor for high-concentration organic sewage treatment.

Background technique

The essence of the anaerobic wastewater treatment process is to use the metabolic characteristics of anaerobic microorganisms to reduce the organic matter in the wastewater and generate biogas such as methane at the same time, which is an economical and effective treatment technology. With the rapid development of the economy, when the problems of environmental pollution and energy shortage are becoming more and more prominent, the anaerobic treatment process, as a low-energy biological treatment method for organic wastewater, has been widely valued and widely promoted. Anaerobic treatment technology is no longer just a supplementary process to aerobic treatment process, it is becoming a valuable treatment method that can replace aerobic method in itself. Anaerobic biological treatment technology can be developed as the core technology of a comprehensive system that combines environmental protection, energy recovery and ecological virtuous cycle, and has good environmental and economic benefits. In the development of anaerobic biological treatment process, the development of anaerobic treatment reactor has always been a research hotspot in the field of water treatment. So far, three generations of anaerobic reactors have appeared. The first-generation anaerobic reactor is an anaerobic digester, which is mainly used for digestion of sludge and manure; the second-generation anaerobic reactor mainly includes anaerobic filter (AF), anaerobic fluidized bed (AFB) and upflow Anaerobic sludge bed (UASB); the third-generation anaerobic reactor is designed to solve the problems of short flow, dead angle and clogging in the operation of the second-generation reactor, mainly including anaerobic granular sludge expanded bed ( EGSB), anaerobic internal circulation reactor (IC) and anaerobic baffled reactor (ABR), etc. However, the above reactors have the problems of uneven distribution of sludge and poor mass transfer effect during use, especially when the biochemical properties are not good or contain anaerobic process inhibitory substances, the methane production will be significantly reduced, which greatly reduces the It affects the mass transfer and mixing effect of the reactor, and the removal rate of COD and BOD ₅ is also quite low.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies of the prior art and provide a jet flow anaerobic bioreactor for the treatment of high-concentration organic sewage, which can simultaneously realize the uniform mixing of waste water and sludge and the stripping and separation of dissolved gases through the gas lifting effect , At the same time, the reactor solves the shortcomings of poor sludge separation in traditional fluidized beds by realizing the gravity flow of sludge particles in the fluid and treated wastewater, and realizes efficient three-phase separation.

The technical scheme of the present invention is: a jet flow anaerobic bioreactor for high-concentration organic sewage treatment. The reactor is equipped with a reactor main body area, a gas purification area and a separation and precipitation area. The gas purification area and the separation and precipitation area are respectively set On both sides of the main area of the reactor; the main area of the reactor is connected to the outlet end of the ejector through the injection pipe, the water inlet end of the ejector is connected to the separation and sedimentation area through the circulating water pipe, and the inlet end of the ejector is passed through the biogas The pipeline is connected to the gas purification area; the middle part of the main body area of the reactor is provided with a mixed liquid connection hole connected with the separation and sedimentation area, and the bottom of the separation and sedimentation area is provided with a sludge return hole connected with the bottom of the main body area of the reactor.

The main area of the reactor is a sleeve-type structure (that is, the main area of the reactor is composed of two pipes nested together), and the gas purification area and the separation and precipitation area are both in a box-type structure located outside the main area of the reactor. .

The main area of the reactor is provided with a lifting area and a falling area, the lifting area is located in the middle of the main area of the reactor, the falling area is located at the outer periphery of the main area of the reactor, the upper part of the lifting area is connected with the upper part of the falling area, and the bottom of the lifting area is connected with the lowering area. The bottoms are connected, the injection pipeline is arranged in the lifting area, and the bottom end of the injection pipeline is located at the bottom of the lifting area.

The main structure of the main body area of the reactor includes an outer tube and an inner tube arranged coaxially, the inner tube is arranged in the middle of the outer tube, the upper end and the lower end of the inner tube are open, and there is a mixture between the lower end of the inner tube and the bottom surface of the outer tube. Under the liquid flow space, there is an upper flow space for the mixed liquid between the upper end of the inner tube and the top surface of the outer tube; the area inside the inner tube forms a lifting area, and the annular area between the outside of the inner tube and the outer tube forms a descending area. Wherein, the mixed liquid in the lifting area flows upwards, and the mixed liquid in the descending area flows downwards, and the upper flow space of the mixed liquid and the lower flow space of the mixed liquid realize the exchange movement of the flow direction of the mixed liquid.

Both the outer tube and the inner tube are square tubes or round tubes. When both the outer tube and the inner tube are square tubes, the gas purification zone and the separation and sedimentation zone are rectangular box structures located on both sides of the outer tube, and the descending zone also corresponds to a rectangular annular area; when the outer tube and the inner tube are both In the case of a circular tube, the gas purification zone and the separation and sedimentation zone are respectively semi-annular box structures located on the outer periphery of the outer tube, and the descending zone is also corresponding to a circular ring-shaped area.

The main structure of the gas purification area includes a lye porous nozzle, a porous filler, a gas release pipe and an lye storage tank arranged in sequence from top to bottom, the lye sprayed by the lye porous nozzle and the biological substance released by the gas release pipe. The gas flows in the opposite direction, and the actual countercurrent contact is performed. The gas is purified at the porous packing to remove acidic components such as hydrogen sulfide in the gas. The purified biogas is sent to the ejector through the biogas pipeline.

The main body area of the reactor is also provided with a gas storage area, the gas storage area is located above the lifting area and the lowering area, and the gas storage area communicates with the upper part of the gas purification area; the gas storage area is provided with a perforated gas absorption pipe, and the perforated gas The absorption pipe is connected with the gas release pipe through a suction pump. The gas is forcibly sucked into the bottom of the gas purification area by the suction pump and released, and the gas countercurrently contacts the alkali solution sprayed from the top, and the water-spraying filler significantly increases the contact area and strengthens the removal of harmful gases such as H ₂ S in the biogas Absorption, the purified gas re-enters the top of the reactor body area driven by the circulation flow, and then enters the ejector through the biogas pipeline to participate in the biogas jet circulation.

The lye storage pool is connected with the lye porous nozzle through the lye circulation pump, and the lye in the lye storage pool is extracted by the lye circulation pump, and sent to the lye porous nozzle for spraying, so that the lye can be recycled , so as to achieve the purpose of saving resources.

The separation and sedimentation zone includes a lower sludge zone, a middle buffer zone, an upper sloping plate settling zone, and an outlet weir flume, which are sequentially arranged from bottom to top. The buffer zone is connected with the middle part of the main body area of the reactor through the connection hole of the mixed solution, and the outer wall of the central buffer zone is provided with a mixed solution outlet, which is connected to the ejector through the mixed solution circulation pump, and the water outlet weir is connected to the water outlet . A certain proportion of mixed liquid flows from the main area of the reactor into the middle buffer zone through the mixed liquid outlet. After buffering and sedimentation, the sludge is trapped in the lower sludge area, and the mixed liquid changes direction and moves upward, and further settles through the upper inclined plate. The mud-water separation zone is carried out, and the effluent enters the effluent tank through the effluent weir trough to be discharged, and the sludge is properly concentrated at the bottom of the lower sedimentation zone, then slides down along the wall of the device and re-enters the main reaction zone, realizing the automatic reflux of the sludge. The mixed liquid reflux pump draws the mixed liquid from the separation and sedimentation area to circulate, which can effectively reduce the surface load of the inclined plate sedimentation area and better realize the separation of mud and water.

The biogas pipeline is provided with a gas flow meter, which can detect the pressure conditions in the main body area of the reactor and the gas purification area in real time. A pressure gauge and a water-sealed bottle are installed on the top of the main body of the reactor, and the pressure is kept stable through the water-sealed bottle. When the pressure exceeds the equilibrium pressure of the water-sealed bottle, the excess gas can be automatically released and decompressed. A water inlet pipe is provided at the bottom of the main body area of the reactor for introducing high-concentration organic sewage.

The principle of the above jet anaerobic bioreactor is: the jet anaerobic bioreactor uses the jet method to return the biogas (Biogas) generated in the anaerobic bioreactor to the bottom of the reactor together with the reflux liquid, so that the fluidization of the reactor The driving force has changed from a single liquid flow to a coupling of air turbulence and liquid flow, which greatly improves the fluidization effect and mass transfer performance of the reactor while reducing the liquid reflux ratio, and develops a new type of jet anaerobic biological fluidization The bed reactor treats high-concentration organic wastewater. The gas generated by anaerobic fermentation is used to promote the internal circulation of the reactor liquid, which solves the problem of poor fluidization of the traditional fluidized bed, overcomes the shortcomings of poor sludge separation of the traditional fluidized bed, and realizes efficient three-phase separation, making the reaction The concentration of anaerobic sludge in the device is greatly increased; low C/N anaerobic operation and low concentration anaerobic process are implemented, and high-efficiency and low-concentration anaerobic ammonium oxidation process is implemented in the anaerobic fluidized bed to make high-concentration wastewater pass through After anaerobic treatment, it can remove about 90% of COD and ammonia nitrogen, reduce the aerobic load, and make the aerobic effluent fully meet the discharge standards.

Compared with the prior art, the present invention has the following beneficial effects:

The jet flow anaerobic bioreactor realizes the fluidization of the reactor and the complete and uniform mixing of the sewage sludge in the form of anaerobic jet flow of biogas generated by the reactor itself. Since the biogas is in a closed loop state, the fluidization effect is affected. The production of biogas has little effect, and it can be applied to the treatment of high-concentration organic wastewater with poor biochemical properties.

The jet-flow anaerobic bioreactor uses the biogas produced in the anaerobic reaction process and the effluent from the top of the separation zone to mix for jet flow, which enhances mass transfer performance and reduces energy consumption, and the liquid flow rate can be controlled at 10-30m ³ /h. Not easy to clog.

The jet flow anaerobic bioreactor realizes the complete fluidization of the gas-liquid two-phase in the reactor due to the change of the fluid characteristics. It is proved by experiments that for food wastewater and papermaking wastewater, the load is 6kg COD/(m ³ ·d) Under these conditions, stable operation can be achieved, and comprehensive effects of gas production and COD removal can be achieved. The comparative operation effect with the upflow anaerobic sludge bed (UASB) can be seen in Table 1. In Table 1, (A) is food wastewater, ( B) is papermaking wastewater.

Table 1 Comparison of experimental statistical data between jet flow anaerobic bioreactor and UASB reactor

Description of drawings

Figure 1 is a schematic diagram of the jet flow anaerobic bioreactor.

detailed description

The present invention will be further described in detail below with reference to the examples, but the embodiments of the present invention are not limited thereto.

Example 1

A jet flow anaerobic bioreactor for the treatment of high-concentration organic sewage in this embodiment, as shown in Figure 1, is provided with a reactor main body area 1, a gas purification area 2 and a separation and precipitation area 3 in the reactor, the gas purification area and The separation and precipitation areas are respectively arranged on both sides of the main body area of the reactor; the main area of the reactor is connected to the outlet end of the ejector 5 through the injection pipe 4, and the water inlet end of the ejector is connected to the separation and sedimentation area through the circulating water pipe 6, and the jet flow The inlet end of the reactor is connected to the gas purification area through the biogas pipeline 7; the middle part of the reactor main body area is provided with a mixed liquid connection hole 8 communicating with the separation and precipitation area, and the bottom of the separation and precipitation area is provided with a connecting hole 8 communicating with the bottom of the reactor main area. Sludge return hole 9.

The main area of the reactor is provided with a lifting area 1-1 and a falling area 1-2. The lifting area is located in the middle of the main area of the reactor, and the falling area is located at the outer periphery of the main area of the reactor. The bottom communicates with the bottom of the descending area, the injection pipeline is arranged in the lifting area, and the bottom end of the injection pipeline is located at the bottom of the lifting area.

The main area of the reactor is a casing structure (that is, the main area of the reactor is composed of two pipes nested together), and the gas purification area and the separation and precipitation area are both located in the box structure outside the main area of the reactor. The main structure of the main area of the reactor includes an outer tube and an inner tube arranged coaxially. The inner tube is arranged in the middle of the outer tube. Flow space 1-4, there is a mixed liquid upper flow space 1-3 between the upper end of the inner pipe and the top surface of the outer pipe; the area inside the inner pipe forms a lifting area, and the annular area between the outside of the inner pipe and the outer pipe forms a descending Area. Wherein, the mixed liquid in the lifting area flows upwards, and the mixed liquid in the descending area flows downwards, and the upper flow space of the mixed liquid and the lower flow space of the mixed liquid realize the exchange and circulation of the mixed liquid flow direction. Both the outer tube and the inner tube are square tubes, the gas purification area and the separation and sedimentation area are in a rectangular box structure located on both sides of the outer tube, and the descending area is also a rectangular ring area.

The main structure of the gas purification area includes a lye porous nozzle 10, a porous filler 11, a gas release pipe 12 and an lye storage tank 13 arranged in sequence from top to bottom, and the lye sprayed by the lye porous nozzle and the gas release pipe release The biogas flows in reverse, and the gas is purified at the porous packing, and the purified biogas is sent to the ejector through the biogas pipeline. The reactor main body area is also provided with a gas storage area 1-5, the gas storage area is located above the lifting area and the descending area, and the gas storage area communicates with the upper part of the gas purification area; the gas storage area is provided with a perforated gas absorption pipe 14, The perforated gas absorption pipe is connected with the gas release pipe through a suction pump 15 . The gas is forcibly sucked into the bottom of the gas purification area by the suction pump and released, and the gas countercurrently contacts the alkali solution sprayed from the top, and the water-spraying filler significantly increases the contact area and strengthens the removal of harmful gases such as H ₂ S in the biogas Absorption, the purified gas re-enters the top of the reactor body area driven by the circulation flow, and then enters the ejector through the biogas pipeline to participate in the biogas jet circulation. The lye storage pool is connected with the lye porous nozzle through the lye circulation pump 16, and the lye in the lye storage pool is extracted by the lye circulation pump, and sent to the lye porous nozzle for spraying, so that the lye can be recycled. So as to achieve the purpose of saving resources.

The separation and sedimentation area includes the lower sludge area 3-1, the middle buffer area 3-2, the upper inclined plate sedimentation area 3-3 and the outlet weir groove 3-4, which are arranged in sequence from bottom to top. The lower sludge area passes through the sludge return hole It communicates with the bottom of the reactor main body area, and the middle buffer zone communicates with the middle of the reactor main body area through the mixed liquid connection hole 8. The outer wall of the central buffer area is provided with a mixed liquid outlet 17, and the mixed liquid outlet passes through the mixed liquid circulation pump. 21 is connected with the ejector, and the water outlet weir groove is externally connected to the water outlet. A certain proportion of mixed liquid flows from the main area of the reactor into the middle buffer zone through the mixed liquid outlet. After buffering and sedimentation, the sludge is trapped in the lower sludge area, and the mixed liquid changes direction and moves upward, and further settles through the upper inclined plate. The mud-water separation zone is carried out, and the effluent enters the effluent tank through the effluent weir trough to be discharged, and the sludge is properly concentrated at the bottom of the lower sedimentation zone, then slides down along the wall of the device and re-enters the main reaction zone, realizing the automatic reflux of the sludge. The mixed liquid reflux pump draws the mixed liquid from the separation and sedimentation area to circulate, which can effectively reduce the surface load of the inclined plate sedimentation area and better realize the separation of mud and water.

In addition, the biogas pipeline is provided with a gas flow meter 18, which can detect the pressure conditions in the main area of the reactor and the gas purification area in real time. The top of the main body of the reactor is provided with a pressure gauge 19 and a water-sealed bottle 20, through which the pressure is kept stable. When the pressure exceeds the equilibrium pressure of the water-sealed bottle, the excess gas can be automatically released and decompressed. A water inlet pipe 22 is provided at the bottom of the main body area of the reactor for introducing high-concentration organic sewage.

The principle of the above jet anaerobic bioreactor is: the jet anaerobic bioreactor uses the jet method to return the biogas (Biogas) generated in the anaerobic bioreactor to the bottom of the reactor together with the reflux liquid, so that the fluidization of the reactor The driving force has changed from a single liquid flow to a coupling of air turbulence and liquid flow, which greatly improves the fluidization effect and mass transfer performance of the reactor while reducing the liquid reflux ratio, and develops a new type of jet anaerobic biological fluidization The bed reactor treats high-concentration organic wastewater. The gas generated by anaerobic fermentation is used to promote the internal circulation of the reactor liquid, which solves the problem of poor fluidization of the traditional fluidized bed, overcomes the shortcomings of poor sludge separation of the traditional fluidized bed, and realizes efficient three-phase separation, making the reaction The concentration of anaerobic sludge in the device is greatly increased; MLSS reaches above 10g/L, and the concentration is controllable; low C/N anaerobic operation and low concentration anaerobic process are implemented, and high efficiency and low concentration are implemented in the anaerobic fluidized bed Concentration anaerobic ammonium oxidation process, after anaerobic treatment of high-concentration wastewater, it can remove about 90% of COD and part of ammonia nitrogen, reduce the aerobic load, and make the aerobic effluent fully meet the discharge standards.

The specific process is as shown by the arrow in Fig. 1, there is a part of the space (i.e. gas storage area 1-5) not filled by the mixed liquid at the top of the reactor main body area, which is gradually filled with biogas after the reaction starts. The main area of the reactor extracts the mud-water mixture from the separation and sedimentation area for forced circulation of the mixed liquid. The returned mixed liquid passes through the ejector at high speed and generates negative pressure at the throat of the ejector. Under the action of negative pressure, the ejector passes through the biogas pipeline and the flow meter The gas stored at the top of the main body area of the reactor is sucked into the ejector. After the gas and water are mixed in the ejector, it is directly transported to the bottom of the lifting area through the injection pipe for release. The released gas-water mixture moves upward along the riser, due to the lifting The gas holdup in the zone is higher than that in the down zone, and under the effect of density difference, the circulation of liquid in the up zone and down zone is realized, and the entire main body of the reactor is evenly fluidized. A certain proportion of the mixed solution flows from the main part of the reactor to the separation and sedimentation area through the mixed solution connecting hole in the middle. After passing through the middle buffer zone and the lower sedimentation zone, the sludge is trapped, and the mixed solution changes direction and moves upward, and further settles through the upper inclined plate. The mud-water separation is carried out in the mud-water area, and the effluent enters the effluent tank through the effluent weir trough to be discharged, and the sludge is properly concentrated at the bottom of the lower sedimentation area, then slides down along the wall of the device and re-enters the main reaction area, realizing the automatic return of the sludge and improving the sewage. mud concentration. The mixed liquid reflux pump draws the mixed liquid from the separation and sedimentation area to circulate, which can effectively reduce the surface load of the inclined plate sedimentation area and better realize the separation of mud and water. The gas in the gas storage area at the top of the reactor keeps the pressure stable through the water-sealed bottle. When the pressure exceeds the equilibrium pressure of the water-sealed bottle, the excess gas can be released automatically to depressurize. At the same time, the pressure change can be monitored through the pressure gauge. There is a perforated gas absorption pipe in the gas storage area. The gas is forcibly sucked into the bottom of the gas purification area by the suction pump and released. The gas counterflows and contacts the lye sprayed from the top. The water spray filler significantly increases the contact area. The absorption of harmful gases such as H ₂ S in the biogas is strengthened, and the purified gas re-enters the top of the reaction zone under the impetus of the recirculation flow to participate in the biogas jet cycle.

Example 2

This embodiment is a jet flow anaerobic bioreactor for the treatment of high-concentration organic sewage. Compared with Embodiment 1, the difference is that the outer tube and inner tube constituting the main body area of the reactor are both circular tubes, and the gas purification The area and the separation and sedimentation area are respectively semi-annular box structures arranged on the outer periphery of the outer pipe, and the descending area is also corresponding to an annular area.

As mentioned above, the present invention can be better realized. The above-mentioned embodiment is only a preferred embodiment of the present invention, and is not used to limit the scope of the present invention; Covered by the scope of protection required by the claims of the present invention.

Claims (10)

1. The jet flow anaerobic bioreactor for high-concentration organic sewage treatment is characterized in that, the reactor is equipped with a reactor main body area, a gas purification area and a separation and precipitation area, and the gas purification area and the separation and precipitation area are respectively located in the reactor Both sides of the main area; the main area of the reactor is connected to the outlet end of the ejector through the injection pipe, the water inlet end of the ejector is connected to the separation and sedimentation area through the circulating water pipe, and the inlet end of the ejector is connected to the gas flow through the biogas pipe. The purification area is connected; the middle part of the main body area of the reactor is provided with a mixed liquid connection hole connected with the separation and sedimentation area, and the bottom of the separation and sedimentation area is provided with a sludge return hole connected with the bottom of the main body area of the reactor. 2. according to claim 1, the jet flow anaerobic bioreactor for the treatment of high-concentration organic sewage is characterized in that, the main body area of the reactor is a casing structure, and the gas purification area and the separation and precipitation area are all located in the reaction area. The box-type structure outside the main body area of the device. 3. The jet anaerobic bioreactor for the treatment of high-concentration organic sewage according to claim 1, wherein a lifting zone and a descending zone are provided in the reactor main body area, and the lifting area is located in the middle of the reactor main body area , the descending zone is located on the outer periphery of the reactor main body zone, the upper part of the lifting zone communicates with the upper part of the descending zone, the bottom of the lifting zone communicates with the bottom of the descending zone, the injection pipeline is arranged in the lifting zone, and the bottom of the injection pipeline is located at the bottom of the lifting zone. 4. according to claim 3, the jet flow anaerobic bioreactor used for the treatment of high-concentration organic sewage is characterized in that, the main body structure of the main body area of the reactor comprises an outer tube and an inner tube coaxially arranged, and the inner tube is located at In the middle of the outer tube, the upper end and the lower end of the inner tube are open, there is a space for the mixed liquid to flow downward between the lower end of the inner tube and the bottom surface of the outer tube, and there is an upper flow space for the mixed liquid between the upper end of the inner tube and the top surface of the outer tube; The area inside the inner tube forms the lift zone and the annular area between the outside of the inner tube and the outer tube forms the drop zone. 5. The jet flow anaerobic bioreactor for treating high-concentration organic sewage according to claim 4, wherein the outer tube and the inner tube are both square tubes or round tubes. 6. The jet anaerobic bioreactor for the treatment of high-concentration organic sewage according to claim 1, wherein the main structure of the gas purification zone comprises a porous lye nozzle, a porous filler, The gas release pipe and the lye storage tank, the lye sprayed by the lye porous nozzle and the biogas released from the gas release pipe flow in reverse, and the gas is purified at the porous packing, and the purified biogas is sent to the ejector. 7. according to claim 6, the jet flow anaerobic bioreactor for the treatment of high-concentration organic sewage is characterized in that, a gas storage area is also provided in the main body area of the reactor, and the gas storage area is located between the lifting area and the descending area. Above, the gas storage area communicates with the upper part of the gas purification area; the gas storage area is provided with a perforated gas absorption pipe, and the perforated gas absorption pipe is connected with a gas release pipe through an air suction pump. 8. The jet flow anaerobic bioreactor for treating high-concentration organic sewage according to claim 6, wherein the lye storage pool is connected to the lye porous nozzle through an lye circulation pump. 9. The jet anaerobic bioreactor for the treatment of high-concentration organic sewage according to claim 1, wherein the separation and sedimentation zone comprises a lower sludge zone, a middle buffer zone, and an upper sloping plate arranged sequentially from bottom to top The sedimentation area and the outlet weir groove, the lower sludge area communicates with the bottom of the reactor main area through the sludge return hole, the middle buffer area communicates with the middle of the reactor main area through the mixed liquid connection hole, and the outer wall of the central buffer area is provided with The mixed liquid outlet is connected with the ejector through the mixed liquid circulation pump, and the water outlet weir groove is connected with the water outlet. 10. The jet flow anaerobic bioreactor for the treatment of high-concentration organic sewage according to claim 1, characterized in that, the biogas pipeline is provided with a gas flow meter, and the top of the reactor main body area is provided with a pressure gauge and a water seal bottle, and a water inlet pipe is provided at the bottom of the reactor main body area.