CN115925116A - Quick starting device for anaerobic ammonia oxidation reactor and quick recovery method for flora activity - Google Patents
Quick starting device for anaerobic ammonia oxidation reactor and quick recovery method for flora activity Download PDFInfo
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- CN115925116A CN115925116A CN202211658578.7A CN202211658578A CN115925116A CN 115925116 A CN115925116 A CN 115925116A CN 202211658578 A CN202211658578 A CN 202211658578A CN 115925116 A CN115925116 A CN 115925116A
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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
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention relates to the technical field of sewage treatment, and particularly discloses a quick starting device of an anaerobic ammonia oxidation reactor and a quick recovery method of flora activity; the device comprises a culture solution adjusting box, a rhodobacter culture reaction box and a biomembrane blanket filler feeding box, wherein a culture solution adjusting material adding and stirring mechanism is arranged in the culture solution adjusting box; the device disclosed by the invention realizes the quick replacement of the biofilm culturing, is simple to operate, does not influence the culture of the anammox bacteria, effectively improves the culture rate of the rhodobacter, and enables the anammox reactor to be quickly started.
Description
Technical Field
The invention relates to the technical field of sewage treatment, and particularly discloses a quick starting device for an anaerobic ammonia oxidation reactor and a quick recovery method for flora activity.
Background
With the development of modern industry and the improvement of people's living standard, the eutrophication phenomenon of water body is continuously intensified, the wastewater discharge index is continuously strict, and higher requirements are provided for the denitrification technology in sewage treatment, wherein the anaerobic ammonia oxidation sewage treatment process is a novel sewage denitrification process, and compared with the traditional denitrification process, the anaerobic ammonia oxidation has the advantages of high denitrification efficiency, no need of additional organic carbon source, high load, low residual sludge yield, low operating cost and the like. However, the problem that the process is difficult to start due to the fact that the multiplying time of the rhodobacter is too long and the requirement on the growth environment is strict exists in the anaerobic ammonia oxidation sewage treatment process, and therefore how to rapidly increase the reproduction rate of the rhodobacter and achieve rapid start of the anaerobic ammonia oxidation reactor is a difficult problem.
The invention patent with application number CN2020108897754 discloses a method for culturing anammox bacteria, which relies on a device for culturing the rhodobacter to realize rapid propagation of the cultured rhodobacter, and comprises a water inlet pool, a medicine inlet barrel, an anammox bacteria culture reactor, a temperature control system and a pH online adjusting system, wherein the pH online adjusting system controls the pH value in the anammox bacteria culture reactor by adding acid liquor; controlling the temperature in the anaerobic ammonium oxidation bacteria culture reactor through a temperature control system; flows into the bottom of the anaerobic ammonia oxidizing bacteria culture reactor through the water distributor under the control of the water inlet pump, and N is added under the action of the stirrer 2 H 4 ·H 2 The O solution and the inlet water uniformly flow through biological biofilm in the anaerobic ammonium oxidation bacteria culture reactor, and the outlet water is precipitated by a precipitation outlet tank in the anaerobic ammonium oxidation bacteria culture reactor and then discharged into a sewage treatment system. The device for culturing the anammox bacteria, disclosed by the invention, improves the breeding efficiency of the anammox bacteria and reduces the starting time of the anammox reactor, but has the defects in the actual operation process. Firstly, nutrient substances, trace elements and a deoxidizer in the water inlet pool cannot be automatically and quantitatively put in, particularly, the deoxidizer cannot directly enter from the pool bottom when put in, and is easily oxidized by air in the putting process; secondly, the biofilm formation in the invention is integral, when partial biofilm formation is partially damaged, the biofilm formation can be replaced and maintained only by discharging sewage in the whole oxidation pond, the operation difficulty is high, and the propagation rate of anaerobic ammonia oxidation bacteria is seriously influenced. Thus, the existing culture anaerobic reactor is aimed atThe invention provides a quick starting device for an anammox reactor and a method for realizing quick recovery of anammox flora activity, which are overcome by the defects of an anammox bacteria device.
Disclosure of Invention
The invention aims to provide a quick starting device for an anammox reactor and a method for realizing quick recovery of anammox flora activity, so as to solve the defects of the conventional device for culturing anammox bacteria.
The invention is realized by the following technical scheme:
a quick starting device of an anaerobic ammonia oxidation reactor comprises a culture solution adjusting box, a rhodobacter sphaeroides culture reaction box and a biofilm blanket filler feeding box which are sequentially arranged from left to right, wherein a culture solution adjusting material adding and stirring mechanism is arranged in the culture solution adjusting box, the culture solution adjusting box and the rhodobacter sphaeroides culture reaction box are connected through a liquid conveying pipeline, a circularly lifting type biofilm hanging device is arranged in the rhodobacter sphaeroides culture reaction box, a flow passing port is formed in the box wall between the rhodobacter sphaeroides culture reaction box and the biofilm blanket filler feeding box, a gate valve device is arranged at the flow passing port, a stirring device is arranged at the bottom of the biofilm blanket filler feeding box, a precipitation water outlet inner box is arranged above the stirring device, a large amount of biofilm blanket filler is arranged in the precipitation water outlet inner box, and a discharge pipe is connected to the precipitation water outlet inner box;
the circulating lifting type biological biofilm culturing device comprises a rack, wherein a plurality of rotating wheels are arranged at the top end of the rack, a closed-loop transmission chain is arranged between the rotating wheels, a plurality of telescopic hangers are arranged on the outer side surface of the closed-loop transmission chain at equal intervals, a lifting assembly for enabling the telescopic hangers to move up and down is arranged on the rack, and the lower ends of the telescopic hangers are connected with a biological biofilm culturing.
As the specific arrangement of the scheme, the rack comprises two upright columns which are arranged in the front and at the back, the top ends of the two upright columns are connected with the support plate, the plurality of rotating wheels are respectively arranged on the lower surfaces of four corners of the support plate, and the top end of one rotating wheel is provided with the driving motor.
According to the specific arrangement of the scheme, the outer side surface of the support plate is provided with the closed-loop roller groove, the telescopic hanging piece comprises a guide sleeve fixedly connected with the outer side surface of the closed-loop transmission chain, a guide wheel matched with the roller groove is arranged on the guide sleeve, a rectangular opening is formed in the guide sleeve, a vertical lifting strip is arranged in the rectangular opening, an anti-falling block is connected onto the lifting strip above the rectangular opening, and the lower end of the lifting strip is connected with a hanging rod used for hanging a biofilm.
As a specific arrangement of the above scheme, the lifting assembly includes a moving seat disposed at the rear end of the upper surface of the carrier plate, the moving seat is matched with the guide rail on the upper surface of the carrier plate, a telescopic driving member for pushing the moving seat is further disposed on the carrier plate, the outer end of the moving seat is rotatably connected with a first gear, the inner end of the moving seat is provided with a first motor, a motor shaft of the first gear is connected with a wheel shaft of the first gear through a triangle belt, and a vertical tooth surface is disposed on one side surface of the lifting strip facing the lifting assembly.
As a further arrangement of the scheme, the upper end of the rear side face of the rhodobacter culture reaction box is provided with a manual operation port, and a climbing frame is arranged on the rhodobacter culture reaction box below the manual operation port.
According to the specific arrangement of the scheme, the culture solution adjusting material adding and stirring mechanism comprises a hollow rotary drum which is rotatably connected to the upper end of a culture solution adjusting box, the lower end of the rotary drum, which extends into the culture solution adjusting box, is connected with a storage cavity disc, the outer circular surface of the storage cavity disc is uniformly connected with a plurality of radial material pipes, the outer ends of the radial material pipes are connected with end caps, springs, which extend into the radial material pipes, are connected onto the end caps, the movable ends of the springs are connected with sealing pistons matched with the inner walls of the radial material pipes, a feed opening is formed in the radial material pipe below the sealing pistons, a second gear is arranged at the upper end of the hollow rotary drum, which extends out of the culture solution adjusting box, a second motor is fixedly mounted at the upper end of the culture solution adjusting box through a motor support, a third gear meshed with the second gear is connected onto an output shaft of the second motor, and the top end of the radial material pipe is connected with a quantitative blanking machine.
As the specific arrangement of the scheme, the quantitative blanking machine comprises a hopper and a feeding barrel, the lower end of the hopper is connected with the feeding barrel, a feeding spiral blade is arranged in the feeding barrel, the end part of the feeding barrel is connected with a third motor, the lower surface of the end part of the feeding barrel is connected with a pipe cover, and the pipe cover is sleeved at the top end of the hollow rotary drum.
As the specific arrangement of the scheme, the gate valve device comprises a gate plate arranged at the position of the overflowing opening, the upper end of the rhodobacter culture reaction box is provided with a gate valve lifting machine consisting of a fourth motor, a winding shaft, a winding wheel and a traction rope, and the lower end of the traction rope is connected with the gate plate.
As the further setting of above-mentioned scheme, the surface of culture solution regulating box is provided with the transfer pump, the feed liquor end of transfer pump is connected with the culture solution regulating box, and the play liquid end of transfer pump is connected with the infusion pipeline that stretches into in the red fungus culture reaction case, is located be provided with the water-locator that is connected with the infusion pipeline under the circulation over-and-under type biological biofilm culturing device, still be provided with temperature monitoring regulating unit and PH monitoring regulating unit in the red fungus culture reaction case.
The invention also discloses a method for rapidly recovering the activity of the flora by using the rapid starting device of the anaerobic ammonia oxidation reactor, which comprises the following steps:
s1, adopting domestic sewage (such as kitchen waste biogas slurry) as stock solution to be fed into a culture solution adjusting box, simultaneously adding a proper amount of nutrient substances, trace elements and deoxidants into the culture solution adjusting box through a culture solution adjusting material adding and stirring mechanism, wherein the nutrient substances (calcium chloride 80mg/L, magnesium sulfate 80mg/L, sodium nitrite 180 mg/L), the trace elements (ferrous sulfate 8 mg/L) and the deoxidants (sodium sulfite 10 mg/L) are fully mixed with the stock solution to obtain a culture solution;
s2: firstly, hanging a biological biofilm on a circular lifting type biological biofilm culturing device according to the design density requirement, then introducing a culture solution into a rhodobacter chrous culture reaction box through a water distributor, simultaneously controlling the culture temperature to be between 30 and 35 ℃, controlling the pH value to be between 7.0 and 8.0, controlling the dissolved oxygen to be below 1mg/L and the liquid ascending flow velocity to be 0.5 to 10m/h, and maintaining the conditions for culturing for 30 days;
s3: after the rhodobacter is cultured and rapidly propagated, opening the gate valve device to discharge the culture solution and the rhodobacter into the bacteria feeding box of the biomembrane blanket filler, then putting the biofilm blanket filler into the bacteria feeding box, starting the stirring device to ensure that the rhodobacter is fully attached to the biomembrane blanket filler, and then sending the biomembrane blanket filler and the culture solution into the sewage to be treated.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the improved design of the anaerobic ammonia oxidation reactor rapid starting device, when the biofilm is dropped or damaged, the driving motor is started firstly to enable the closed-loop transmission chain to rotate, so that the dropped or damaged biofilm is conveyed to the position aligned with the lifting assembly, then the lifting assembly is started to enable the moving seat to be pushed to the outer end, the first gear is meshed with the vertical tooth surface on the lifting bar, then the first motor is started to enable the first gear to rotate, the telescopic hanging piece is lifted from the liquid under the meshing transmission of the first gear and the vertical tooth surface, and at the moment, an operator can replace the biofilm independently; whole circulation over-and-under type biological biofilm formation device can not only realize the quick replacement to the biological biofilm formation under the prerequisite that need not to arrange the culture solution to the greatest extent, and its easy operation does not influence the process of cultivateing anaerobic ammonium oxidation fungus moreover, can effectively improve the cultivation rate to the rhodobacter for anaerobic ammonium oxidation reactor can quick start.
2. The culture solution adjusting box is also provided with a culture solution adjusting material adding and stirring mechanism with an improved design, nutrient substances, trace elements and deoxidants are quantitatively conveyed by a quantitative blanking machine in the culture solution preparation process, then fall into a storage cavity disc along a hollow rotary drum, the hollow rotary drum is driven to rotate, a sealing piston moves to the position of an end cap to open a discharging port under the action of centrifugal force in the rotating process, the nutrient substances, the trace elements and the deoxidants in a radial material pipe are thrown out to be in contact with internal liquid for mixing, uniform throwing of the materials is realized, all the materials are directly discharged to the bottom of the culture solution adjusting box from the bottom, the culture solution preparation speed can be greatly improved by combining the stirring effect generated in the centrifugal process, in addition, the deoxidants are directly introduced into the liquid bottom and cannot be oxidized by air, the oxygen content in the culture solution can be controlled to be in an optimal range only by adding the quantitative deoxidants, and the prepared culture solution can improve the culture efficiency of rhodobacter.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a first three-dimensional structure of the quick start device of the present invention;
FIG. 2 is a second perspective view of the quick start device of the present invention;
FIG. 3 is a schematic diagram of the internal three-dimensional structure of the quick start device of the present invention;
FIG. 4 is a schematic perspective view of the cyclic lift biofilm culturing device of the present invention;
FIG. 5 is a first perspective view of the frame of the present invention;
FIG. 6 is a second perspective view of the frame of the present invention;
FIG. 7 is a schematic perspective view of the retractable hanger and the biofilm carrier of the present invention;
FIG. 8 is an enlarged view of the structure at A in FIG. 2;
FIG. 9 is a schematic perspective view of a mechanism for adding and stirring the culture solution adjusting material according to the present invention;
FIG. 10 is a schematic view of the inner plane structure of the material storage cavity disc and the radial material pipe in the invention;
FIG. 11 is a table showing the ammonia nitrogen concentration and the total nitrogen removal rate during 30 days from start-up in the present invention.
Wherein the content of the first and second substances,
100-culture solution adjusting box, 101-infusion pump, 102-infusion pipeline, 103-water distributor, 104-temperature monitoring and adjusting unit, 105-PH monitoring and adjusting unit, 106-liquid medicine tank;
200-a rhodobacter culture reaction box, 201-a manual operation port, 202-a climbing frame;
300-biofilm blanket packing goes into a fungus box;
400-culture solution adjusting material adding and stirring mechanism, 401-rotating drum, 402-material storage cavity disc, 403-radial material pipe, 4031-feed opening, 404-end cap, 405-spring, 406-sealing piston, 407-second gear, 408-motor support, 409-second motor, 410-third gear, 411-quantitative feeder, 412-hopper, 413-feeding barrel, 414-feeding spiral blade, 415-third motor and 416-pipe cover;
500-circulating lifting type biological biofilm culturing device, 501-a rack, 5011-an upright post, 5012-a carrier plate, 5013-a closed-loop roller groove, 502-a rotating wheel, 503-a closed-loop transmission chain, 5031-a guide sleeve, 5032-a guide wheel, 5033-a lifting strip, 5034-an anti-falling block, 5035-a hanging rod, 5036-a vertical tooth surface, 504-a lifting component, 5041-a moving seat, 5042-a telescopic driving piece, 5043-a lifting strip, 5045-a first motor, 5046-a triangular belt, 505-a biological biofilm culturing, 506-a driving motor and 507-a telescopic pendant;
600-a gate valve device, 601-a gate plate, 602-a fourth motor and 603-a winding shaft;
700-stirring device, 701-power unit;
800-settling out water inner tank, 801-discharging pipe.
Detailed Description
In order to make the technical solutions of the present application better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying drawings 1 to 11, in conjunction with embodiments.
Example 1
Referring to fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, a circulating lifting type biofilm culturing device 500 is arranged in the rhodobacter chrous culturing reaction box 200, the circulating lifting type biofilm culturing device 500 comprises a frame 501, the frame 501 comprises two upright posts 5011 which are arranged in front and at back, and a support plate 5012 is connected to the top ends of the two upright posts 5011. One rotary wheel 502 is provided at each of four corners of the top end of the frame 501, and a drive motor 506 is provided at the top end of one of the rotary wheels 502. A closed loop type transmission chain 503 is provided between the plurality of rotating wheels 502, but the closed loop type transmission chain 503 may be replaced by a transmission belt. A plurality of telescopic hangers 507 are arranged on the outer side surface of the closed loop type transmission chain 503 at equal intervals, then a lifting component 504 for realizing the vertical movement of the telescopic hangers 507 is arranged on the frame 501, and a biological hanging membrane 505 is connected to the lower end of the telescopic hangers 507.
Referring to fig. 5, 6, 7 and 8, in order to ensure stable transmission after the bio-film 505 is hung on the retractable hanger 507, a closed-loop roller slot 5013 is further disposed on the outer side surface of the carrier plate 5012. The structure is designed so that the closed loop type transmission chain 503 is used as a transmission piece, and the suspension pressure bearing performance of the biological hanging film 505 can be improved by the action between the guide wheel 5032 and the closed loop type roller slot 5013. A rectangular opening is formed on the guide sleeve 5031, a vertical lifting strip 5033 is arranged in the rectangular opening, an anti-drop block 5034 is connected to the lifting strip 5033 above the rectangular opening, and a hanging rod 5035 for hanging the biological hanging film 505 is connected to the lower end of the lifting strip 5033.
The particular lift assembly 504 includes a travel block 5041 disposed at a rear end of the upper surface of carrier plate 5012, and travel block 5041 mates with a guide rail on the upper surface of carrier plate 5012. A telescopic driving member 5042 for pushing the moving seat 5041 is further disposed on the carrier plate 5012, an outer end of the moving seat 5041 is rotatably connected with a first gear 5044, an inner end of the moving seat 5041 is provided with a first motor 5045, a motor shaft of the first gear 5044 is connected with a wheel shaft of the first gear 5044 through a triangle belt 5046, and a side surface of the lifting bar 5033 facing the lifting assembly 504 is provided with a vertical tooth surface 5036. When the biofilm 505 falls off or is damaged on the circulating lifting biofilm culturing device 500, an operator firstly starts the driving motor 506 to drive the closed loop type transmission chain 503 to rotate, so that the fallen or damaged biofilm 505 is conveyed to a position aligned with the lifting assembly 504, then starts the lifting assembly 504 again to drive the moving seat 5041 to push outwards until the first gear 5044 is meshed with the vertical tooth surface 5036 on the lifting bar 5033, then starts the first motor 5045 to drive the first gear 5044 to rotate, and then lifts the telescopic hanging piece 507 from the liquid under the meshing transmission of the first gear 5044 and the vertical tooth surface 5036, and the operator can independently replace the biofilm 505. Meanwhile, in order to facilitate the operation of operators, a manual operation port 201 is further formed in the upper end of the rear side face of the rhodobacter xylinum culture reaction box 200, and a climbing frame 202 is arranged on the rhodobacter xylinum culture reaction box 200 below the manual operation port 201.
An overflow port is arranged on the box wall between the rhodobacter xylinum culture reaction box 200 and the upper fungus box 300 of the biomembrane blanket filler, and a gate valve device 600 is arranged at the overflow port. The gate valve device 600 comprises a gate plate 601 arranged at the position of the overflow port, a gate valve lifting machine is arranged at the upper end of the rhodobacter chrous culture reaction box 200, the gate valve lifting machine is composed of a fourth motor 602, a winding shaft 603, a winding wheel and a traction rope, and the lower end of the traction rope is connected with the gate plate 601. The gate valve lifter can open or close the flow passage opening by lifting the gate plate 601. Meanwhile, a stirring device 700 is arranged at the bottom of the bio-film carpet filling fungus applying box 300, the stirring device comprises two stirring frames inside, and a power unit 701 for driving the stirring device 700 is arranged on the front side surface of the bio-film carpet filling fungus applying box 300. A sedimentation water outlet inner box 800 is arranged above the stirring device 700, a large amount of biomembrane blanket filler is arranged inside the sedimentation water outlet inner box 800, and a discharge pipe 801 is connected to the sedimentation water outlet inner box 800. After the cultivation is completed, the gate plate 601 is opened to allow the culture solution and the rhodobacter to enter the biofilm blanket filler bacteria feeding box 300 through the overflow port, then the stirring device 700 is started to sufficiently stir the culture solution and the rhodobacter, and after the stirring is completed, the rhodobacter is attached to the biofilm blanket filler in the sedimentation water inner box 800.
Finally, this embodiment still is provided with temperature monitoring regulating unit 104 and PH monitoring regulating unit 105 in rhodobacter cultivation reaction case 200, and this temperature monitoring regulating unit 104 is including stretching into temperature sensor and the heating rod in the culture solution, monitors the temperature in real time through temperature sensor to heat up the culture solution through the heating rod, make it maintain under the best cultivation temperature all the time. This PH monitoring adjustment unit 105 includes that one stretches into PH detector 105 in the culture solution, still including setting up a medicinal liquid jar 106 of fixing at rhodobacter chrous cultivation reaction box 200 lateral surface simultaneously, medicinal liquid jar 106 is through the pump, the pipe assembly is linked together rather than inside, detect inside PH value through PH detector 105, then in time let in wherein with acidizing fluid or alkali lye in medicinal liquid jar 106, specific acidizing fluid and alkali lye can select for use the sulphuric acid that the molar concentration is 0.5-1mol/L, the sodium carbonate that the molar concentration is 0.25-1mol/L for the cultivation remains throughout in the best PH interval, in order to improve the reproductive rate of rhodobacter.
Example 2
The specific structure of the culture solution adjusting material adding and stirring mechanism 400 refers to fig. 2, fig. 3, fig. 7 and fig. 10, and includes a hollow rotating drum 401 rotatably connected to the upper end of the culture solution adjusting box 100, the lower end of the rotating drum 401 extending into the culture solution adjusting box 100 is connected with a storage cavity disc 402, and the outer circular surface of the storage cavity disc 402 is uniformly connected with a plurality of radial material pipes 403. An end cap 404 is connected to the outer end of the radial material pipe 403, a spring 405 extending into the radial material pipe 403 is connected to the end cap 404, a sealing piston 406 matched with the inner wall of the radial material pipe 403 is connected to the movable end of the spring 405, and a material outlet 4031 is formed in the radial material pipe 403 below the sealing piston 406. The upper end of the hollow rotary drum 401 extending out of the culture solution adjusting box 100 is provided with a second gear 407, the upper end of the culture solution adjusting box 100 is fixedly provided with a second motor 409 through a motor bracket 408, an output shaft of the second motor 409 is connected with a third gear 410 meshed with the second gear 407, and the top end of the radial material pipe 403 is connected with a quantitative blanking machine 411. The quantitative feeding machine 411 comprises a hopper 412 and a feeding barrel 413, the lower end of the hopper 412 is connected with the feeding barrel 413, a feeding spiral blade 414 is arranged in the feeding barrel 413, the end part of the feeding barrel 413 is connected with a third motor 415, the lower surface of the end part of the feeding barrel 413 is connected with a pipe cover 416, and the pipe cover 416 is sleeved on the top end of the hollow rotary drum 401.
The culture solution adjusting material adding and stirring mechanism 400 in this embodiment quantitatively conveys the nutrients, trace elements and deoxidizing agent in the hopper 412 through the action of the quantitative feeding machine 411, and then falls into the storage cavity disc 402 along the hollow rotating drum 401. Then, the third motor 415 is started, the hollow rotary drum 401 and the storage cavity disc 402 are rotated through meshing transmission between gears, the sealing piston 406 overcomes the acting force of the spring 405 and moves to the position of the end cap 404 through the action of centrifugal force in the rotating process of the storage cavity disc 402, the discharge port 4031 is opened at the moment, nutrient substances, trace elements and deoxidizing agents in the radial material pipe 403 are thrown out to be in contact with and mixed with the liquid in the radial material pipe, and the thrown nutrient substances, trace elements and deoxidizing agents can be stirred with the stock solution in the rotating process of the storage cavity disc 402, so that the nutrient substances, trace elements and deoxidizing agents can be quickly and fully mixed and deoxidized.
Referring to fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, a circulating lifting type biofilm culturing device 500 is arranged in the rhodobacter chrous culturing reaction box 200, the circulating lifting type biofilm culturing device 500 comprises a frame 501, the frame 501 comprises two upright posts 5011 which are arranged in front and at back, and a support plate 5012 is connected to the top ends of the two upright posts 5011. One rotary wheel 502 is provided at each of four corners of the top end of the frame 501, and a drive motor 506 is provided at the top end of one of the rotary wheels 502. A closed loop type transmission chain 503 is provided between the plurality of rotating wheels 502, but the closed loop type transmission chain 503 may be replaced by a transmission belt. A plurality of telescopic hangers 507 are arranged on the outer side surface of the closed loop type transmission chain 503 at equal intervals, then a lifting component 504 for realizing the vertical movement of the telescopic hangers 507 is arranged on the frame 501, and a biological hanging membrane 505 is connected to the lower end of the telescopic hangers 507.
Referring to fig. 5, fig. 6, fig. 7 and fig. 8, in order to ensure stable transmission after the bio-biofilm 505 is suspended on the telescopic hangers 507, a closed-loop roller slot 5013 is further arranged on the outer side surface of the carrier plate 5012. The structure is designed so that the closed loop type transmission chain 503 is used as a transmission piece, and the suspension pressure bearing performance of the biological hanging film 505 can be improved by the action between the guide wheel 5032 and the closed loop type roller slot 5013. A rectangular opening is formed on the guide sleeve 5031, a vertical lifting strip 5033 is arranged in the rectangular opening, an anti-drop block 5034 is connected to the lifting strip 5033 above the rectangular opening, and a hanging rod 5035 for hanging the biological hanging membrane 505 is connected to the lower end of the lifting strip 5033.
The particular lift assembly 504 includes a travel block 5041 disposed at a rear end of the upper surface of carrier plate 5012, and travel block 5041 mates with a guide rail on the upper surface of carrier plate 5012. A telescopic driving member 5042 for pushing the moving seat 5041 is further disposed on the carrier plate 5012, an outer end of the moving seat 5041 is rotatably connected with a first gear 5044, an inner end of the moving seat 5041 is provided with a first motor 5045, a motor shaft of the first gear 5044 is connected with a wheel shaft of the first gear 5044 through a triangle belt 5046, and a side surface of the lifting bar 5033 facing the lifting assembly 504 is provided with a vertical tooth surface 5036. When the biofilm 505 falls off or is damaged on the circulating lifting biofilm culturing device 500, an operator firstly starts the driving motor 506 to drive the closed loop type transmission chain 503 to rotate, so that the fallen or damaged biofilm 505 is conveyed to a position aligned with the lifting assembly 504, then starts the lifting assembly 504 again to drive the moving seat 5041 to push outwards until the first gear 5044 is meshed with the vertical tooth surface 5036 on the lifting bar 5033, then starts the first motor 5045 to drive the first gear 5044 to rotate, and then lifts the telescopic hanging piece 507 from the liquid under the meshing transmission of the first gear 5044 and the vertical tooth surface 5036, and the operator can independently replace the biofilm 505. Meanwhile, in order to facilitate the operation of operators, a manual operation port 201 is further formed in the upper end of the rear side face of the rhodobacter xylinum culture reaction box 200, and a climbing frame 202 is arranged on the rhodobacter xylinum culture reaction box 200 below the manual operation port 201.
An overflow port is arranged on the box wall between the rhodobacter xylinum culture reaction box 200 and the upper fungus box 300 of the biomembrane blanket filler, and a gate valve device 600 is arranged at the overflow port. The gate valve device 600 comprises a gate plate 601 arranged at the position of the overflow port, a gate valve lifting machine is arranged at the upper end of the rhodobacter chrous culture reaction box 200, the gate valve lifting machine is composed of a fourth motor 602, a winding shaft 603, a winding wheel and a traction rope, and the lower end of the traction rope is connected with the gate plate 601. The gate valve lifter can open or close the flow passage opening by lifting the gate plate 601. Meanwhile, a stirring device 700 is arranged at the bottom of the bio-film carpet filling fungus applying box 300, the stirring device comprises two stirring frames inside, and a power unit 701 for driving the stirring device 700 is arranged on the front side surface of the bio-film carpet filling fungus applying box 300. A sedimentation water outlet inner tank 800 is arranged above the stirring device 700, a large amount of biomembrane blanket filler is arranged inside the sedimentation water outlet inner tank 800, and the sedimentation water outlet inner tank 800 is connected with a discharge pipe 801. After the cultivation is completed, the gate plate 601 is opened to allow the culture solution and the rhodobacter to enter the biofilm blanket filler bacteria feeding box 300 through the overflow port, then the stirring device 700 is started to sufficiently stir the culture solution and the rhodobacter, and after the stirring is completed, the rhodobacter is attached to the biofilm blanket filler in the sedimentation water inner box 800.
Finally, this embodiment still is provided with temperature monitoring regulating unit 104 and PH monitoring regulating unit 105 in rhodobacter chrous cultivation reaction box 200, and this temperature monitoring regulating unit 104 includes temperature sensor and the heating rod that stretches into in the culture solution, monitors the temperature in real time through temperature sensor to heat up the culture solution through the heating rod, make it maintain under the best cultivation temperature all the time. This PH monitoring adjustment unit 105 includes that one stretches into PH detector 105 in the culture solution, still including setting up a medicinal liquid jar 106 of fixing at rhodobacter chrous cultivation reaction box 200 lateral surface simultaneously, medicinal liquid jar 106 is through the pump, the pipe assembly is linked together rather than inside, detect inside PH value through PH detector 105, then in time let in wherein with acidizing fluid or alkali lye in medicinal liquid jar 106, specific acidizing fluid and alkali lye can select for use the sulphuric acid that the molar concentration is 0.5-1mol/L, the sodium carbonate that the molar concentration is 0.25-1mol/L for the cultivation remains throughout in the best PH interval, in order to improve the reproductive rate of rhodobacter.
Example 3
Embodiment 3 discloses a method for rapidly recovering the activity of bacteria using the rapid starting apparatus for the anammox reactor in embodiment 2, which comprises the following steps:
1) Domestic sewage (such as kitchen waste biogas slurry) is taken as stock solution and sent into a culture solution adjusting box 100, meanwhile, a proper amount of nutrient substances, trace elements and deoxidizing agents are added into the culture solution adjusting box 100 through a culture solution adjusting material adding and stirring mechanism 400, wherein the nutrient substances (calcium chloride 80mg/L, magnesium sulfate 80mg/L, sodium nitrite 180 mg/L), the trace elements (ferrous sulfate 8 mg/L) and the deoxidizing agents (sodium sulfite 10 mg/L) are fully mixed with the stock solution to obtain the culture solution;
2) Firstly, hanging a biological biofilm 505 on a circular lifting type biological biofilm culturing device 500 according to the design density requirement, then introducing a culture solution into a rhodobacter bacteria culturing reaction box 200 through a water distributor 103, and simultaneously controlling the culturing temperature to be between 30 and 35 ℃, wherein the specific temperature of the embodiment is accurately controlled to be 33 ℃, the pH value is controlled to be between 7.0 and 8.0, the specific pH value of the embodiment is accurately controlled to be 7.5, the dissolved oxygen is controlled to be less than 1mg/L, the liquid ascending flow rate is 0.5 to 10m/h, the specific liquid ascending flow rate of the embodiment is 1.6m/h, and continuously culturing for 30 days under the conditions. Meanwhile, the drop or damage of the biofilm culturing membrane is found in the culture process and needs to be replaced in time.
3) After the rhodobacter is cultured and rapidly propagated, the gate valve device 600 is opened to discharge the culture solution and the rhodobacter into the bacteria box 300 on the biofilm blanket filler, the stirring device 700 is started after the biofilm blanket is put into the bacteria box, so that the rhodobacter is fully attached to the biofilm blanket filler, and then the biofilm blanket filler and the culture solution are sent into the sewage to be treated.
After the device is stably operated according to the steps, under the condition that the parameters in the operation are not changed, the corresponding graphs of the inlet water ammonia nitrogen concentration, the outlet water ammonia nitrogen concentration and the total nitrogen removal rate in the attached diagram 11 are obtained through data analysis of 30 daysTable shows, from FIG. 11, the NH content of the effluent under the conditions of constant water inflow and concentration of the influent 4 + The concentration of-N and TN is obviously reduced, the aim of improving the proliferation rate of the rhodobacter is effectively fulfilled, and the rapid starting process of the anaerobic ammonia oxidation reactor within 30 days is realized.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A quick starting device of an anaerobic ammonia oxidation reactor comprises a culture solution adjusting box (100), a red fungus culture reaction box (200) and a biofilm blanket packing and feeding box (300) which are sequentially arranged from left to right, and is characterized in that a culture solution adjusting material adding and stirring mechanism (400) is arranged in the culture solution adjusting box (100), the culture solution adjusting box (100) and the red fungus culture reaction box (200) are connected through a liquid conveying pipeline, a circulating lifting type biological film hanging device (500) is arranged in the red fungus culture reaction box (200), an overflow port is formed in the box wall between the red fungus culture reaction box (200) and the biofilm blanket packing and feeding box (300), a gate valve device (600) is arranged at the overflow port, a stirring device (700) is arranged at the bottom of the biofilm blanket packing and feeding box (300), a precipitation water outlet inner box (800) is arranged above the stirring device (700), a large amount of biofilm blanket packing is arranged in the precipitation water outlet inner box (800), and a discharge pipe (801) is connected to the precipitation water outlet inner box (800);
the circulating lifting type biological biofilm culturing device (500) comprises a rack (501), a plurality of rotating wheels (502) are arranged at the top end of the rack (501), a closed-loop transmission chain (503) is arranged between the rotating wheels (502), a plurality of telescopic hangers (507) are arranged on the outer side surface of the closed-loop transmission chain (503) at equal intervals, a lifting assembly (504) for realizing up-and-down movement of the telescopic hangers (507) is arranged on the rack (501), and a biological biofilm culturing film (505) is connected to the lower end of the telescopic hangers (507).
2. The rapid starting device for the anaerobic ammonia oxidation reactor according to claim 1, wherein the rack (501) comprises two upright posts (5011) arranged in front and back, the top ends of the two upright posts (5011) are connected with a carrier plate (5012), the plurality of rotating wheels (502) are respectively arranged on the lower surfaces of four corners of the carrier plate (5012), the top end of one rotating wheel (502) is provided with a driving motor (506), the outer side surface of the carrier plate (5012) is provided with a closed-loop roller groove (5013), the telescopic suspension member (507) comprises a guide sleeve (5031) fixedly connected with the outer side surface of the closed-loop transmission chain (503), the guide sleeve (5031) is provided with a guide wheel (5032) matched with the roller groove (5013), the guide sleeve (5031) is provided with a rectangular opening, a vertical lifting bar (5033) is arranged in the rectangular opening, the lifting bar (5033) above the rectangular opening is connected with an anti-dropping block (5034), and the lower end of the lifting bar (5033) is connected with a hanging rod (5035) for hanging a biological hanging membrane (505).
3. The rapid starting device for the anaerobic ammonia oxidation reactor according to claim 2, wherein the lifting assembly (504) comprises a moving seat (5041) arranged at the rear end of the upper surface of the carrier plate (5012), the moving seat (5041) is matched with a guide rail on the upper surface of the carrier plate (5012), a telescopic driving member (5042) for pushing the moving seat (5041) is further arranged on the carrier plate (5012), the outer end of the moving seat (5041) is rotatably connected with a first gear (5044), the inner end of the moving seat is provided with a first motor (5045), a motor shaft of the first gear (5044) is connected with a wheel shaft of the first gear (5044) through a triangular belt (5046), and a vertical tooth surface (5036) is arranged on one side surface of the lifting bar (5033) facing the lifting assembly (504).
4. The rapid starting device for the anaerobic ammonia oxidation reactor according to claim 3, wherein a manual operation opening (201) is formed in the upper end of the rear side face of the rhodobacter xylinum culture reaction box (200), and a climbing frame (202) is arranged on the rhodobacter xylinum culture reaction box (200) below the manual operation opening (201).
5. The rapid starting device for the anammox reactor according to claim 1, wherein the culture solution adjusting material adding and stirring mechanism (400) comprises a hollow rotating drum (401) rotatably connected to the upper end of the culture solution adjusting box (100), the lower end of the rotating drum (401) extending into the culture solution adjusting box (100) is connected with a storage cavity disc (402), the outer circular surface of the storage cavity disc (402) is uniformly connected with a plurality of radial material pipes (403), the outer ends of the radial material pipes (403) are connected with an end cap (404), a spring (405) extending into the radial material pipes (403) is connected to the end cap (404), the movable end of the spring (405) is connected with a sealing piston (406) matched with the inner wall of the radial material pipes (403), a feeding port (4031) is formed in the radial material pipe (403) below the sealing piston (406), a second gear (407) is arranged at the upper end of the hollow rotating drum (401) extending out of the culture solution adjusting box (100), a second motor (403) is fixedly installed at the upper end of the culture solution adjusting box (100) through a motor support (408), and a third gear (409) is connected with the top end of the feeding port (409) which is connected with a quantitative material metering gear (409).
6. The anaerobic ammonium oxidation reactor rapid starting device according to claim 5, characterized in that the quantitative blanking machine (411) comprises a hopper (412) and a feeding barrel (413), the lower end of the hopper (412) is connected with the feeding barrel (413), a feeding spiral blade (414) is arranged in the feeding barrel (413), a third motor (415) is connected to the end of the feeding barrel (413), a pipe cover (416) is connected to the lower surface of the end of the feeding barrel (413), and the pipe cover (416) is sleeved on the top end of the hollow rotating barrel (401).
7. The rapid starting device for the anammox reactor according to claim 1, wherein the gate valve device (600) comprises a gate plate (601) arranged at the overflow port, the upper end of the rhodobacter culture reaction box (200) is provided with a gate valve lifting machine consisting of a fourth motor (602), a winding shaft (603), a winding wheel and a traction rope, and the lower end of the traction rope is connected with the gate plate (601).
8. The rapid starting device for the anaerobic ammonia oxidation reactor according to claim 1, wherein an infusion pump (101) is arranged on the outer surface of the culture solution adjusting box (100), the liquid inlet end of the infusion pump (101) is connected with the culture solution adjusting box (100), the liquid outlet end of the infusion pump (101) is connected with an infusion pipeline (102) extending into the rhodobacter xylinum cultivation reaction box (200), a water distributor (103) connected with the infusion pipeline (102) is arranged under the circulating lifting type biofilm culturing device (500), and a temperature monitoring and adjusting unit (104) and a pH monitoring and adjusting unit (105) are further arranged in the rhodobacter xylinum cultivation reaction box (200).
9. A method for rapidly restoring bacterial flora activity using the rapid startup device for an anammox reactor according to any one of claims 1-8, comprising the steps of:
s1, adopting domestic sewage as a stock solution to be fed into a culture solution adjusting box (100), and simultaneously adding a proper amount of nutrient substances, trace elements and deoxidizers into the culture solution adjusting box (100) through a culture solution adjusting material adding and stirring mechanism (400) to be fully mixed with the stock solution to obtain a culture solution;
s2: firstly, hanging a biological biofilm (505) on a circular lifting type biological biofilm hanging device (500) according to the design density requirement, and then introducing a culture solution into a rhodobacter chrous culture reaction box (200) through a water distributor (103) for culture for 30 days;
s3: after the rhodobacter is cultured and rapidly propagated, opening the gate valve device (600) to discharge the culture solution and the rhodobacter into the bacteria feeding box (300) of the biomembrane blanket filler, then feeding the biomembrane blanket filler, starting the stirring device (700) to fully attach the rhodobacter to the biomembrane blanket filler, and then feeding the biomembrane blanket filler and the culture solution into the sewage to be treated.
10. The method for rapidly recovering the activity of the flora according to claim 9, wherein the proper amount of nutrients in step 1 comprise calcium chloride, magnesium sulfate and sodium nitrite, the trace element is ferrous sulfate, and the deoxidizer is sodium sulfite;
in the step 2, the culture temperature is controlled to be between 30 and 35 ℃, the pH value is controlled to be between 7.0 and 8.0, the dissolved oxygen is controlled to be less than 1mg/L, and the liquid ascending flow rate is controlled to be 0.5 to 10m/h.
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