CN114573106B - Up-flow type electric-assisted anaerobic-aerobic coupling biomembrane reactor - Google Patents
Up-flow type electric-assisted anaerobic-aerobic coupling biomembrane reactor Download PDFInfo
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- CN114573106B CN114573106B CN202210289824.XA CN202210289824A CN114573106B CN 114573106 B CN114573106 B CN 114573106B CN 202210289824 A CN202210289824 A CN 202210289824A CN 114573106 B CN114573106 B CN 114573106B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses an upflow type electric-assisted anaerobic-aerobic coupling biomembrane reactor, which comprises a reaction tube, wherein the reaction tube is sequentially provided with an anaerobic chamber, an aeration chamber and an aerobic chamber from bottom to top, a liquid outlet end of the anaerobic chamber is communicated with a liquid inlet end of the aerobic chamber through the aeration chamber, an air supply part is arranged in the aeration chamber and comprises an air supply piece and an air injection piece, the air supply piece is positioned below the air injection piece and is communicated with the air injection piece, an air outlet end of the aeration chamber is communicated with an air inlet end of the aerobic chamber through the air injection piece, and the air supply piece is in transmission connection with the air injection piece through a rotating rod; and a carrier part arranged in the aerobic chamber, wherein the carrier part comprises a carrier frame. The invention can realize the problems of membrane pollution and cavity blockage of the aerobic chamber caused by filler stacking, and simultaneously improve the biodegradability of the anaerobic chamber and the aerobic chamber.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an upflow type electric-assisted anaerobic-aerobic coupling biomembrane reactor.
Background
In recent years, personal care products have been widely studied as an emerging contaminant. However, due to high consumption and stable chemical structures, they are often detected in sewage treatment plants, surface water and groundwater, which, despite their low concentration, can have a negative impact on the water environment and ecological balance and even cause pollution of the drinking water. The traditional method for removing the organic matters by sewage treatment mainly comprises biological treatment technologies such as an activated sludge method, a biological membrane method and the like, however, the residual medicines in the pharmaceutical wastewater can inhibit the growth and activity of microorganisms in the traditional biological method, and the removal effect of the organic matters in the sewage is affected. On the other hand, pure aerobic or anaerobic systems cannot achieve complete degradation of organic matter, and it is necessary to combine aerobic and anaerobic bioreactors. However, due to the chemical structure stability of these drugs, their removal efficiency in microbial degradation seems to be unsatisfactory, and thus there is a need to develop new methods to improve the removal of organics in wastewater.
Bioelectrochemical reactors (BERs) are systems composed of interactions of microorganisms, electrodes and pollutants, and as biocatalysts have higher catalytic efficiency and specificity than existing chemical catalysts, the microorganisms attached to the electrodes can accelerate electron transfer between the electrodes and the pollutants, thereby accelerating the degradation of the pollutants. The basic principle is that the electrode and the microorganism generate a synergistic effect, the resistance of the microorganism to the external environmental pressure is improved by means of electric stimulation, so that the metabolic activity of the biologically toxic nondegradable pollutant is improved, and the functional microorganism is enriched by accelerating the transfer of electrons, so that the microbial community structure is improved, and the removal effect of the nondegradable pollutant is further improved. With these characteristics, bioelectrochemical reactors have received extensive attention from students worldwide in recent years, and their performance in operation has also been improved. Among them, the bioelectrochemical anaerobic-aerobic coupled reactor (AO-UBERs) has the most practical potential.
However, the traditional bioelectrochemistry anaerobic-aerobic coupling system has some disadvantages that firstly, the microorganism in an aerobic zone grows faster, so that membrane pollution and cavity blockage are caused, the aerobic zone needs to be cleaned frequently to ensure the normal use of the system, and secondly, the complex organic matters in sewage cannot be removed by the existing system, so that the sewage treatment effect is affected. In addition, in the prior art, the aeration effect on the aerobic zone is poor, and meanwhile, due to factors such as structural problems, when the aerobic zone performs aeration treatment, oxygen easily enters the anaerobic zone, so that the anaerobic zone cannot normally treat wastewater, and therefore, an upflow type electric auxiliary anaerobic-aerobic coupling biomembrane reactor is needed to solve the problems.
Disclosure of Invention
The invention aims to provide an upflow type electric auxiliary anaerobic-aerobic coupling biomembrane reactor, which solves the problems of membrane pollution and cavity blockage caused by packing stacking of an aerobic chamber, improves the biodegradability of the anaerobic chamber and the aerobic chamber, improves the aeration effect of the aerobic chamber, reduces the quantity of oxygen entering the anaerobic chamber, and further improves the reaction rate of the reactor.
In order to achieve the above object, the present invention provides the following solutions: the invention provides an upflow type electric auxiliary anaerobic-aerobic coupling biomembrane reactor, which comprises a reaction tube, wherein the reaction tube is sequentially provided with an anaerobic chamber, an aeration chamber and an aerobic chamber from top to bottom, the liquid outlet end of the anaerobic chamber is communicated with the liquid inlet end of the aerobic chamber through the aeration chamber,
the air supply part is arranged in the aeration chamber and comprises an air supply piece and an air injection piece, the air supply piece is positioned below the air injection piece and is communicated with the air injection piece, the air outlet end of the aeration chamber is communicated with the air inlet end of the aerobic chamber through the air injection piece, and the air supply piece is in transmission connection with the air injection piece through a rotating rod;
the carrier part is arranged in the aerobic chamber and comprises a carrier frame which is detachably connected with the reaction tube and the rotating rod respectively, and a plurality of carrier blocks are arranged in the anaerobic chamber;
the power supply part is arranged outside the reaction tube, the anode of the power supply part is electrically connected with the aerobic chamber, and the cathode of the power supply part is electrically connected with the anaerobic chamber.
Preferably, the first support plate and the second support plate are fixedly connected to the inner wall of the reaction tube, the first support plate is located above the second support plate, the aeration chamber is partitioned from the anaerobic chamber to the aerobic chamber through the first support plate and the second support plate, the air supply piece comprises an air supply box fixedly connected to the top end of the second support plate, a rotary blade is arranged in the air supply box, the rotary rod penetrates through the air supply box and the rotary blade, the rotary rod is connected with the air supply box in a rotary mode, the rotary rod is fixedly connected with the rotary blade, an oxygen inlet tube is communicated to the side wall of the air supply box, and the top end of the air supply box is communicated with the air injection piece.
Preferably, a plurality of tip protrusions are fixedly connected to the side wall of the rotary blade, and the tip protrusions are correspondingly arranged with the air outlet end of the oxygen inlet pipe.
Preferably, the air injection piece comprises an injection cylinder fixedly connected with the top end of the second support plate, the air supply box is positioned in the injection cylinder, a first air stone is fixedly connected with the inner wall of the injection cylinder, the air supply box is communicated with the first air stone through a communicating pipe, the air outlet end of the injection cylinder is provided with a second air stone, the second air stone penetrates through the first support plate, the second air stone is fixedly connected with the rotating rod, and the second air stone is rotationally connected with the first support plate.
Preferably, the second gas stone aperture is smaller than the first gas Dan Kongjing, and the second gas stone gas outlet is obliquely arranged.
Preferably, the spraying cylinder is in a truncated cone structure, and the diameter of the end part of the spraying cylinder, which is close to the first support plate, is smaller than the diameter of the end part of the spraying cylinder, which is close to the second support plate.
Preferably, the overflow chamber is communicated with the upper part of the aerobic chamber, the overflow chamber is communicated with an overflow pipe, the aerobic chamber is separated from the overflow chamber through a third support plate, a stepped through groove is formed in the third support plate, a stepped plate matched with the stepped through groove is arranged in the stepped through groove, the carrier frame is sleeved on the rotating rod, and the stepped plate is detachably connected with the top end of the rotating rod.
Preferably, the bottom end of the rotating rod penetrates through the second support plate and extends into the anaerobic chamber, the rotating rod is rotationally connected with the second support plate, a plurality of stirring plates are fixedly connected to the rotating rod, and a plurality of stirring plates are located in the anaerobic chamber.
Preferably, the power supply part comprises a power supply, the aerobic chamber and the anaerobic chamber are respectively and electrically connected with the power supply through a conductive plate, the power supply anode is electrically connected with the conductive plate positioned in the aerobic chamber, and the power supply cathode is electrically connected with the conductive plate positioned in the anaerobic chamber.
Preferably, the first support plate, the second support plate and the third support plate are respectively provided with a circulation port for circulating waste liquid, and the circulation ports on the second support plate are fixedly connected with a screen.
The invention discloses the following technical effects:
1. the carrier frame is arranged in the aerobic chamber, and the situation that the filler is stacked relative to the existing filler is avoided, so that the problems of membrane pollution and cavity blockage are avoided, the carrier frame is convenient to replace and high in practicability, in addition, the biodegradability of the anaerobic chamber is improved due to the existence of carrier blocks, and the biological degradation capability of the anaerobic chamber are matched with each other to finally improve the purification effect of the reactor on wastewater.
2. The air feed piece cuts the external oxygen supply for the first time, then cuts again through the air jet piece for the bubble diminishes, and then improves the aeration effect, simultaneously, the air feed piece can drive the bull stick and rotate, and the bull stick can drive the carrier frame and rotate, makes the waste water in the carrier frame stirring aerobe, improves the mixed effect of waste water and microorganism, thereby improves the purifying effect of aerobe.
3. Through setting up the jet member, on the one hand make the bubble of being sheared many times get into aerobe indoor comparatively easily, simultaneously, make the bubble be difficult for getting into the anaerobism room to improve the living environment of aerobe room and eye anaerobism room microorganism.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a reactor;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a partial enlarged view at B in FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 1 at C;
fig. 5 is a perspective view of the air supply portion;
the device comprises a 1-reaction tube, a 2-anaerobic chamber, a 3-aeration chamber, a 4-aerobic chamber, a 5-rotating rod, a 6-carrier frame, a 7-first support plate, an 8-second support plate, a 9-gas supply box, a 10-rotating blade, an 11-oxygen inlet tube, a 12-tip protrusion, a 13-spraying cylinder, a 14-first gas stone, a 15-second gas stone, a 16-overflow chamber, a 17-overflow tube, a 18-third support plate, a 19-step plate, a 20-stirring plate, a 21-power supply, a 22-conductive plate, a 23-screen, a 24-circulation port, a 25-liquid outlet pipe, a 26-liquid inlet pipe, a 27-gas supply box, a 28-one-way valve and a 29-fixing bolt.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
The invention provides an upflow type electric-assisted anaerobic-aerobic coupling biomembrane reactor, which comprises a reaction tube 1, wherein the reaction tube 1 is sequentially provided with an anaerobic chamber 2, an aeration chamber 3 and an aerobic chamber 4 from top to bottom, the liquid outlet end of the anaerobic chamber 2 is communicated with the liquid inlet end of the aerobic chamber 4 through the aeration chamber 3, an air supply part is arranged in the aeration chamber 3 and comprises an air supply part and an air injection part, the air supply part is positioned below the air injection part and is communicated with the air injection part, the air outlet end of the aeration chamber 3 is communicated with the air inlet end of the aerobic chamber 4 through the air injection part, and the air supply part is in transmission connection with the air injection part through a rotating rod 5; the carrier part is arranged in the aerobic chamber 4, the carrier part comprises a carrier frame 6, the carrier frame 6 is detachably connected with the reaction tube 1 and the rotating rod 5 respectively, and a plurality of carrier blocks are arranged in the anaerobic chamber 2; the power supply part is arranged outside the reaction tube 1, the anode of the power supply part is electrically connected with the aerobic chamber 4, and the cathode of the power supply part is electrically connected with the anaerobic chamber 2.
Waste liquid passes through the anaerobic chamber 2, the aeration chamber 3 and the aerobic chamber 4 from bottom to top in sequence, when the aeration treatment is carried out on the aerobic chamber 4, the air supply piece is started, oxygen is provided in the aeration chamber 3, the oxygen enters the air injection piece after being sheared for the first time by the air supply piece, finally, the oxygen enters the aerobic chamber 4 from the air injection piece, when the air supply piece works, the air supply piece drives the rotating rod 5 to rotate, the rotating rod 5 drives the carrier frame 6 to rotate, so that the waste liquid in the aerobic chamber 4 is slowly stirred, and meanwhile, the carrier frame 6 rotates, so that the waste liquid is not easy to be polluted. And the power supply part supplies power to enrich microorganisms.
The actual pharmaceutical wastewater or urban sewage is adopted in the operation process, and the operation mode is up-flow. The sewage firstly enters the anaerobic chamber 2 (the hydraulic retention time is 24 h), so that the preliminary removal of organic matters is realized. The aerobic environment is maintained for the aerobic chamber 4 through the middle aeration chamber 3, the next step of the water is performed in the aerobic chamber 4, the deep removal of the organic matters, the degradation of the organic matters difficult to degrade, the nitrification and denitrification of the nitrogen-containing matters and the dephosphorization are realized, and the deep treatment of sewage is realized.
In one embodiment of the invention, the aerobic chamber 4 is communicated with a liquid outlet pipe 25 so as to discharge the waste liquid meeting the discharge requirement, and the anaerobic chamber 2 is communicated with a liquid inlet pipe 26 so as to guide the waste liquid into the anaerobic chamber 2.
In one embodiment of the invention, the carrier block is preferably but not limited to a conductive biofilm carrier carbon felt block, to which cathodic anaerobic fermentation microorganisms are attached to achieve preliminary degradation of the organic matter, the carbon felt block filler size preferably being 1cm-2cm.
In one embodiment of the present invention, the carrier frame 6 is preferably, but not limited to, a carbon brush of conductive bio-film carrier, to which anode aerobic microorganisms are attached to achieve oxidative degradation of organic matters.
Further optimizing scheme, first extension board 7 and the second extension board 8 of reaction tube 1 inner wall rigid coupling, first extension board 7 is located second extension board 8 top, aeration chamber 3 separates with anaerobic chamber 2 and good oxygen room 4 through first extension board 7 and second extension board 8, the air feed piece includes the air feed box 9 with second extension board 8 top rigid coupling, be provided with rotating vane 10 in the air feed box 9, the bull stick 5 passes air feed box 9 and rotating vane 10, and bull stick 5 and air feed box 9 rotate to be connected, bull stick 5 and rotating vane 10 rigid coupling, air feed box 9 lateral wall intercommunication has into oxygen pipe 11, air feed box 9 top and jet-propelled piece intercommunication. The first support plate 7 and the second support plate 8 play a role in separation, and external oxygen is introduced into the air supply box 9 through the oxygen inlet pipe 11 and hits the rotating blades 10, so that the rotating blades 10 rotate, and then the oxygen enters the air injection member through the top end of the air supply box 9. The rotary blade 10 rotates to drive the rotary rod 5 to rotate, so that the rotary rod can drive the carrier frame 6 to rotate.
In one embodiment of the present invention, a gas supply tank 27 for supplying oxygen is provided outside the reaction tube 1, and the gas supply tank 27 communicates with the gas supply box 9 through the oxygen inlet tube 11.
In another embodiment of the present invention, two oxygen inlet pipes 11 are connected to the gas supply box 9, the two oxygen inlet pipes 11 respectively pass through the reaction pipe 1 and are connected to the gas supply box 27, one oxygen inlet pipe 11 rotates the rotary vane 10 clockwise, the other oxygen inlet pipe 11 rotates the rotary vane 10 anticlockwise, and the two oxygen inlet pipes 11 are provided with one-way valves 28. The two oxygen inlet pipes 11 are arranged, and air can be injected to different positions of the rotary blades 10 according to different positions of the two oxygen inlet pipes 11, so that the rotary blades 10 can rotate clockwise and anticlockwise, the carrier frame 6 can rotate clockwise and anticlockwise, and the mixing effect of wastewater and microorganisms is improved. The check valve 28 prevents oxygen from flowing back from the other oxygen inlet pipe 11 when the one oxygen inlet pipe 11 is in operation.
In a further optimization scheme, a plurality of tip protrusions 12 are fixedly connected to the side wall of the rotary blade 10, and the tip protrusions 12 are correspondingly arranged with the air outlet end of the oxygen inlet pipe 11. The tip protrusion 12 is primarily contacted with the oxygen bubbles, and then primarily shears the oxygen bubbles, so that the aeration effect on the aerobic chamber 4 is improved.
Further optimizing scheme, the jet-propelled piece includes the spouting section of thick bamboo 13 with second extension board 8 top rigid coupling, and air feed box 9 is located spouting section of thick bamboo 13, and spouting section of thick bamboo 13 inner wall rigid coupling has first gas stone 14, and air feed box 9 communicates with first gas stone 14 through communicating pipe, and spouting section of thick bamboo 13 air outlet end is provided with second gas stone 15, and second gas stone 15 runs through first extension board 7, and second gas stone 15 and bull stick 5 rigid coupling, second gas stone 15 and first extension board 7 rotate to be connected. The oxygen discharged from the supply box 9 enters the first gas stone 14 through the communicating pipe, and the first gas stone 14 shears oxygen bubbles further, thereby reducing the oxygen bubble diameter. While the further reduced oxygen bubbles are introduced into the aerobic chamber 4 via the second gas stone 15.
Further optimizing scheme, second gas stone 15 aperture is less than first gas stone 14 aperture, and second gas stone 15 gas outlet slope sets up. In order to reduce the diameter of the oxygen bubbles again, the aperture of the second gas stone 15 is smaller than that of the first gas stone 14, and as the second gas stone 15 rotates together with the rotating rod 5 and the air outlet of the second gas stone 15 is obliquely arranged, the oxygen bubbles discharged by the second gas stone 15 can be thrown into the aerobic chamber 4 more uniformly, so that the aeration effect of the aerobic chamber 4 is improved.
In addition, the inclination angle and the inclination direction of the second air stone 15 may be set according to actual use, and the aeration effect may be improved by replacing the second air stone 15 of a different model.
In a further optimized scheme, the spray cylinder 13 is of a truncated cone structure, and the diameter of the end, close to the first support plate 7, of the spray cylinder 13 is smaller than that of the end, close to the second support plate 8, of the spray cylinder 13. The bottom of the spraying cylinder 13 is fixed with the second support plate 8, and the top of the spraying cylinder is communicated with the aerobic chamber 4 through the second gas stone 15, so that bubbles are not easy to leave the spraying cylinder 13 and enter the aeration chamber 3, and the spraying cylinder 13 is arranged in a round table type structure, so that oxygen bubbles can be further prevented from entering the anaerobic chamber 2, and the reaction rate of the anaerobic chamber 2 is improved.
According to a further optimization scheme, an overflow chamber 16 is communicated above the aerobic chamber 4, an overflow pipe 17 is communicated with the overflow chamber 16, the aerobic chamber 4 and the overflow chamber 16 are separated through a third support plate 18, a stepped through groove is formed in the third support plate 18, a stepped plate 19 matched with the stepped through groove is arranged in the stepped through groove, the carrier frame 6 is sleeved on the rotating rod 5, and the stepped plate 19 is detachably connected with the top end of the rotating rod 5. The overflow chamber 16 prevents the aerobic chamber 4 from overflowing, and a step plate 19 is provided on the third support plate 18 so as to fix the carrier frame 6. When the carrier frame 6 is required to be installed, the carrier frame 6 is installed at the bottom end of the stepped plate 19, then the stepped plate 19 is placed in the stepped through groove, the stepped plate 19 is limited through the stepped through groove, meanwhile, the carrier frame 6 is sleeved on the rotating rod 5, after the stepped plate 19 is positioned, the stepped plate 19, the third support plate 18, the stepped plate 19 and the rotating rod 5 are respectively fixed through a plurality of fixing bolts 29
Further optimizing scheme, bull stick 5 bottom runs through second extension board 8 and stretches into in the anaerobic chamber 2, and bull stick 5 rotates with second extension board 8 to be connected, and the rigid coupling has a plurality of stirring boards 20 on the bull stick 5, and a plurality of stirring boards 20 all are located in the anaerobic chamber 2. The rotating rod 5 drives the stirring plate 20 to rotate in the anaerobic chamber 2, so that the stirring plate 20 stirs the waste liquid in the anaerobic chamber 2, and the mixing effect of the waste liquid and microorganisms is improved.
In a further optimized scheme, the power supply part comprises a power supply 21, the aerobic chamber 4 and the anaerobic chamber 2 are respectively and electrically connected with the power supply 21 through a conductive plate 22, the anode of the power supply 21 is electrically connected with the conductive plate 22 positioned in the aerobic chamber 4, and the cathode of the power supply 21 is electrically connected with the conductive plate 22 positioned in the anaerobic chamber 2. A closed loop is formed under the action of a power supply 21, and the inflow water is primarily degraded from bottom to top through the anaerobic chamber 2 and is further mineralized in the aerobic chamber 4. In the running process, organic matters are efficiently removed in the anaerobic chamber 2 and the aerobic chamber 4.
In one embodiment of the present invention, the conductive plate 22 is preferably, but not limited to, a titanium sheet to power the anaerobic chamber 2 and the aerobic chamber 4 separately.
In a further optimized scheme, the first support plate 7, the second support plate 8 and the third support plate 18 are respectively provided with a circulation port 24 for circulating waste liquid, and a screen 23 is fixedly connected in the circulation port 24 on the second support plate 8. The presence of the flow port 24 facilitates the flow of waste liquid, while the presence of the screen 23 prevents the carrier block in the anaerobic chamber 2 from entering the aeration chamber 3.
The working process comprises the following steps:
the waste liquid passes through the anaerobic chamber 2, the aeration chamber 3 and the aerobic chamber 4 from bottom to top in sequence, when the aerobic chamber 4 is subjected to aeration treatment, the power supply 21 and the air supply box 27 are started, external oxygen is led into the air supply box 9 by the oxygen inlet pipe 11 and is beaten on the rotary blade 10, so that the rotary blade 10 rotates, then the oxygen passes through the first air stone 14 and the second air stone 15 and enters the aerobic chamber 4, in the process, the rotary blade 10 drives the rotary rod 5 to rotate, the rotary rod 5 drives the carrier frame 6 and the stirring plate 20 to rotate, and the waste liquid in the aerobic chamber 4 and the anaerobic chamber 2 are respectively stirred, so that the mixing effect of the waste liquid and the microorganism is improved.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (7)
1. An upflow type electric auxiliary anaerobic-aerobic coupling biomembrane reactor comprises a reaction tube (1), wherein the reaction tube (1) is sequentially provided with an anaerobic chamber (2), an aeration chamber (3) and an aerobic chamber (4) from bottom to top, the liquid outlet end of the anaerobic chamber (2) is communicated with the liquid inlet end of the aerobic chamber (4) through the aeration chamber (3), and is characterized in that,
the air supply part is arranged in the aeration chamber (3) and comprises an air supply piece and an air injection piece, the air supply piece is positioned below the air injection piece and is communicated with the air injection piece, the air outlet end of the aeration chamber (3) is communicated with the air inlet end of the aerobic chamber (4) through the air injection piece, and the air supply piece is in transmission connection with the air injection piece through a rotating rod (5);
the carrier part is arranged in the aerobic chamber (4), the carrier part comprises a carrier frame (6), the carrier frame (6) is detachably connected with the reaction tube (1) and the rotating rod (5) respectively, and a plurality of carrier blocks are arranged in the anaerobic chamber (2);
the power supply part is arranged outside the reaction tube (1), the anode of the power supply part is electrically connected with the aerobic chamber (4), and the cathode of the power supply part is electrically connected with the anaerobic chamber (2); the device comprises a reaction tube (1), a first support plate (7) and a second support plate (8) which are fixedly connected with the inner wall of the reaction tube (1), wherein the first support plate (7) is positioned above the second support plate (8), an aeration chamber (3) is separated from an anaerobic chamber (2) and an aerobic chamber (4) through the first support plate (7) and the second support plate (8), an air supply piece comprises an air supply box (9) fixedly connected with the top end of the second support plate (8), a rotary blade (10) is arranged in the air supply box (9), a rotary rod (5) penetrates through the air supply box (9) and the rotary blade (10), the rotary rod (5) is rotationally connected with the air supply box (9), the rotary rod (5) is fixedly connected with the rotary blade (10), an oxygen inlet pipe (11) is communicated with the side wall of the air supply box (9), and the top end of the air supply box (9) is communicated with an air injection piece.
The air injection piece comprises an air injection cylinder (13) fixedly connected with the top end of the second support plate (8), the air supply box (9) is positioned in the air injection cylinder (13), a first air stone (14) is fixedly connected to the inner wall of the air injection cylinder (13), the air supply box (9) is communicated with the first air stone (14) through a communicating pipe, a second air stone (15) is arranged at the air outlet end of the air injection cylinder (13), the second air stone (15) penetrates through the first support plate (7), the second air stone (15) is fixedly connected with the rotating rod (5), and the second air stone (15) is rotationally connected with the first support plate (7);
the spray cylinder (13) is of a truncated cone-shaped structure, and the diameter of the end part of the spray cylinder (13) close to the first support plate (7) is smaller than that of the end part of the spray cylinder (13) close to the second support plate (8).
2. The upflow electrically assisted anaerobic-aerobic coupled biofilm reactor of claim 1, wherein: a plurality of tip bulges (12) are fixedly connected to the side wall of the rotary blade (10), and the tip bulges (12) are correspondingly arranged with the air outlet end of the oxygen inlet pipe (11).
3. The upflow electrically assisted anaerobic-aerobic coupled biofilm reactor of claim 1, wherein: the aperture of the second air stone (15) is smaller than that of the first air stone (14), and the air outlet of the second air stone (15) is obliquely arranged.
4. The upflow electrically assisted anaerobic-aerobic coupled biofilm reactor of claim 1, wherein: the utility model discloses a carrier frame, including aerobic chamber (4), carrier frame (6), overflow chamber (16), aerobic chamber (4) and overflow chamber (16) are separated through third extension board (18), the notch cuttype logical groove has been seted up on third extension board (18), set up rather than assorted notch cuttype board (19) in the notch cuttype logical groove, carrier frame (6) cover is established on bull stick (5), just notch cuttype board (19) with connect can be dismantled on bull stick (5) top.
5. The upflow electrically assisted anaerobic-aerobic coupled biofilm reactor of claim 1, wherein: the bottom end of the rotating rod (5) penetrates through the second support plate (8) and stretches into the anaerobic chamber (2), the rotating rod (5) is rotationally connected with the second support plate (8), a plurality of stirring plates (20) are fixedly connected to the rotating rod (5), and the stirring plates (20) are all located in the anaerobic chamber (2).
6. The upflow electrically assisted anaerobic-aerobic coupled biofilm reactor of claim 1, wherein: the power supply part comprises a power supply (21), the aerobic chamber (4) and the anaerobic chamber (2) are respectively and electrically connected with the power supply (21) through a conductive plate (22), the anode of the power supply (21) is electrically connected with the conductive plate (22) positioned in the aerobic chamber (4), and the cathode of the power supply (21) is electrically connected with the conductive plate (22) positioned in the anaerobic chamber (2).
7. The upflow electrically assisted anaerobic-aerobic coupled biofilm reactor of claim 4, wherein: the first support plate (7), the second support plate (8) and the third support plate (18) are respectively provided with a circulation port (24) for circulating waste liquid, and a screen (23) is fixedly connected in the circulation port (24) on the second support plate (8).
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|---|---|---|---|---|
| DK2254842T3 (en) * | 2008-01-28 | 2017-01-16 | Biowater Tech As | Process and device for treatment of wastewater |
| CN102491517B (en) * | 2011-11-28 | 2013-06-12 | 山东大学 | Anaerobic and aerobic sewage treatment unit and sewage treatment method |
| CN104229995A (en) * | 2014-10-09 | 2014-12-24 | 天津工业大学 | Method for degrading degradation-resistant organic wastewater by double sludge tower-type electrical bioreactor |
| BR102018076599A2 (en) * | 2018-12-19 | 2020-07-07 | Bio Proj Tecnologia Ambiental Ltda | fixed biofilm anaerobic-aerobic combined reactor for wastewater treatment |
| CN110342692B (en) * | 2019-08-20 | 2022-03-01 | 重庆化工职业学院 | Sewage treatment device for environmental protection |
| CN111039510A (en) * | 2019-12-30 | 2020-04-21 | 华北水利水电大学 | Waste water filtering device for agricultural water-saving irrigation and filtering method thereof |
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