CN113233578A - Low-temperature environment-friendly sulfur self-oxygen denitrification device - Google Patents
Low-temperature environment-friendly sulfur self-oxygen denitrification device Download PDFInfo
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- CN113233578A CN113233578A CN202110530633.3A CN202110530633A CN113233578A CN 113233578 A CN113233578 A CN 113233578A CN 202110530633 A CN202110530633 A CN 202110530633A CN 113233578 A CN113233578 A CN 113233578A
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 37
- 239000011593 sulfur Substances 0.000 title claims abstract description 37
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 18
- 239000001301 oxygen Substances 0.000 title claims abstract description 18
- 238000005273 aeration Methods 0.000 claims abstract description 73
- 238000006243 chemical reaction Methods 0.000 claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000009423 ventilation Methods 0.000 claims abstract description 15
- 244000005700 microbiome Species 0.000 claims abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000007711 solidification Methods 0.000 claims abstract description 5
- 230000008023 solidification Effects 0.000 claims abstract description 5
- 241000894006 Bacteria Species 0.000 claims description 23
- 239000000969 carrier Substances 0.000 claims description 22
- 239000007789 gas Substances 0.000 claims description 22
- 230000001651 autotrophic effect Effects 0.000 claims description 20
- 238000006701 autoxidation reaction Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 8
- 241000605118 Thiobacillus Species 0.000 claims description 7
- 238000004132 cross linking Methods 0.000 claims description 5
- 150000002500 ions Chemical class 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 4
- 239000005864 Sulphur Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 241000894007 species Species 0.000 claims description 2
- 230000001580 bacterial effect Effects 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 22
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 11
- 239000010865 sewage Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000000813 microbial effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 2
- 238000012851 eutrophication Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 241000605272 Acidithiobacillus thiooxidans Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012258 culturing Methods 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- 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
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
- C02F2101/163—Nitrates
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The invention relates to the technical field of sewage treatment, in particular to a low-temperature environment-friendly sulfur self-oxygen denitrification device, which comprises a reaction tank and an aeration mechanism, wherein the reaction tank is provided with a driving motor through a support frame, the reaction tank is internally and hermetically and rotatably connected with a plurality of rotary drums, the rotary drums are in transmission connection, the driving motor is in transmission connection with one of the rotary drums, the rotary drum is communicated with a plurality of aeration nozzle pipes through an aeration ring, the rotary drum is connected with a streamline flow increasing blade through a connecting rod, the inside of the rotary drum is communicated with the inside of the aeration ring through a transmission pipeline and a plurality of branch pipes, the transmission pipeline is communicated with the aeration mechanism through a sealing cover, a branch pipe and the aeration ring, the reaction tank is internally provided with a plurality of microorganism solidification mechanisms through a mounting frame, the top of the reaction tank is hinged with a ventilation cover through a plurality of hinges, the aeration uniformity can effectively control the dissolved oxygen, the total nitrogen removal capacity is higher, and the practicability is higher.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a low-temperature environment-friendly sulfur autoxidation denitrification device.
Background
As is known, along with the rapid development of the urbanization process, the river channel and the lake mainly receive sewage bodies, the eutrophication is increasingly serious, the discharge of total nitrogen in the tail water of the sewage treatment plant is one of the factors causing the river channel, the lake and the eutrophication, and the deep denitrification of the tail water of the sewage treatment plant becomes the inevitable trend of the technical improvement of the existing sewage treatment plant.
The sulfur autotrophic denitrification system is a sewage treatment system improved on the basis of the traditional denitrification technology, and comprises a reaction tank, wherein an aeration mechanism and autotrophic denitrifying bacteria are arranged in the reaction tank, when the system is used, the aeration mechanism can aerate the reaction tank so as to promote the mass transfer of oxygen in the reaction tank and improve the nitrification reaction, the autotrophic denitrifying bacteria can utilize inorganic carbon (such as C032-HC 3I) to synthesize cells, and inorganic substances (such as S2-, S2032-, Fe2+, H2, NH4+ and the like) are used as electron donors for nitrate reduction so as to complete the denitrification process, treat the sewage in the reaction tank, and the whole autotrophic denitrification process does not need to add any additional organic carbon source and is slightly influenced by the low-temperature environment, thereby the system has been greatly developed in the aspects of the microbiological principle, regulation, stable operation and the like of the process, and is primarily applied abroad at present, and is expected to be further popularized.
Although the existing sulfur autotrophic denitrification process has a good use effect, the existing sulfur autotrophic denitrification process still has the following defects that the aeration uniformity is low, so that the aeration efficiency is low, the nitrification reaction process is easily influenced, the denitrification effect is further indirectly influenced, and autotrophic denitrifying bacteria are easily damaged, reduced or reduced in concentration in the long-term use process, so that the denitrification capability is easily reduced, and the practicability is low.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the low-temperature environment-friendly sulfur autoxidation denitrification device, which has the advantages of uniform aeration performance, effective control of the concentration of dissolved oxygen, good denitrification effect, effective removal of nitrate nitrogen, high total nitrogen removal capacity and high practicability.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the low-temperature environment-friendly sulfur self-oxygen denitrification device comprises a reaction tank, an aeration mechanism, an aeration device and a microorganism solidification mechanism, wherein the bottom end of the reaction tank is connected with a support frame, the aeration device comprises a plurality of aeration units, each aeration unit comprises a rotary drum, the rotary drums are hermetically and rotatably arranged on the bottom side wall of the reaction tank and are in transmission connection with each other, a driving motor is arranged on the support frame and is in transmission connection with one of the rotary drums, part of the rotary drums, which are positioned inside the reaction tank, of the rotary drums are fixedly connected with an aeration ring through a plurality of connecting rods, the aeration ring is communicated with a plurality of aeration nozzle pipes, the connecting rods are fixedly connected with streamline flow increasing blades, the interior of the rotary drums is fixedly connected with a transmission pipeline, the transmission pipeline is communicated with the aeration ring through a plurality of branch pipes, and the bottom end of the transmission pipeline is hermetically and rotatably connected with a sealing cover, the sealing cover is connected with a gas distribution pipe in a penetrating way, the aeration mechanism is fixedly arranged on the supporting frame, the aeration mechanism is provided with a gas distribution ring in a communicating way, a plurality of gas distribution pipes are all communicated with the gas distribution ring, the microorganism curing mechanism comprises a mounting rack and a plurality of biological fixing carriers, the mounting rack comprises two clamping rods, the two clamping rods are both arranged in the reaction tank in a sliding manner, two bearing rods are arranged between the two clamping rods in a sliding manner, two fixing bolts are in threaded connection with the two clamping rods corresponding to the two supporting rods, a plurality of biological fixing carriers are arranged between the two clamping rods and the two supporting rods, the top of the reaction tank is hinged with a ventilation cover through a plurality of hinges, a cavity is arranged in the ventilation cover, the bottom of cavity has been seted up vent and a plurality of ventilation hole, the vent communicates with each other in with the reaction tank, and is a plurality of the ventilation hole communicates with each other with the external world.
Preferably, the biological immobilization carrier is a multienzyme carrier, and sulfur autotrophic denitrifying bacteria are immobilized on the biological immobilization carrier through biological engineering means such as ion adsorption, embedding, crosslinking and covalent bonding.
Preferably, the sulfur autotrophic denitrifying bacteria is a diverse flora, and the species includes but is not limited to: thiobacillus desulfurates, thiobacillus dehydrogengenes, sulfate reducing bacteria and the like.
Preferably, a plurality of the rotary drums are fixedly sleeved with transmission gears, and a plurality of the transmission gears are in transmission connection with a transmission toothed belt.
Preferably, an output shaft of the driving motor is fixedly sleeved with a driving gear, one of the plurality of rotary drums is fixedly sleeved with a driven gear, and a driving toothed belt is connected between the driving gear and the driven gear in a transmission manner.
Preferably, two equal fixedly connected with a plurality of installation sliders on the supporting rod, correspond on the inside wall of reaction tank set up two with the U type spout that the installation slider matches, the installation slider with U type spout is sliding fit.
Preferably, the supporting rods are fixedly connected with adjusting sliding strips, and the clamping rods are provided with two sliding openings matched with the supporting rods and the adjusting sliding strips corresponding to the two supporting rods.
Preferably, the side wall of the biological fixing carrier is fixedly connected with a connecting sliding strip, the side wall of the biological fixing carrier and the supporting rod are correspondingly provided with connecting sliding grooves matched with the connecting sliding strip, and the connecting sliding strip is in sliding fit with the connecting sliding grooves.
Preferably, the cross sections of the mounting sliding block, the adjusting sliding strip and the connecting sliding strip are all T-shaped.
Preferably, the side wall of the biological fixed carrier is fixedly connected with a plurality of connecting blocks, and the side wall of the biological fixed carrier is correspondingly provided with a plurality of connecting grooves matched with the connecting blocks.
(III) advantageous effects
Compared with the prior art, the invention provides a low-temperature environment-friendly sulfur autoxidation denitrification device, which has the following beneficial effects:
1. the low-temperature environment-friendly sulfur self-oxygen denitrification device is characterized in that a rotary drum in a plurality of rotary drums is driven to rotate conveniently through a driving motor, the rotary drums are connected through transmission among the rotary drums, the rotary drums are driven to rotate in a linkage manner when the rotary drum rotates conveniently, so that a transmission pipeline, a plurality of branch pipes and a plurality of aeration rings are driven to rotate conveniently, gas blown into the transmission pipelines by an aeration mechanism through the gas branch rings and the gas branch pipes enters a reaction tank in a rotating manner, the aeration uniformity and the aeration efficiency are high, and a plurality of streamline flow increasing blades can be driven to rotate and increase the flow of liquid in the reaction tank when the rotary drums are driven to rotate in a linkage manner, so that the aeration uniformity and the aeration efficiency are further improved, therefore, the dissolved oxygen concentration can be effectively controlled by the aeration uniformity of the low-temperature environment-friendly sulfur self-oxygen denitrification device, the denitrification effect is better.
2. The low-temperature environment-friendly sulfur autoxidation denitrification device is convenient to solidify sulfur autotrophic denitrifying bacteria by utilizing a carrier immobilization technology of microorganisms under the condition of meeting the growth of the microorganisms through a biological fixed carrier, thereby being convenient for rapidly expanding and culturing to generate microbial flora with higher strength, density and concentration, further being convenient for the biological fixed carrier to rapidly and effectively degrade total nitrogen in water when in use, being convenient for bearing and placing a plurality of biological fixed carriers through the matching of two clamping rods and two bearing rods, being convenient for rapidly installing or disassembling the two clamping rods in a reaction tank through the sliding fit of the two clamping rods and the two bearing rods, being convenient for slidably adjusting the positions of the two clamping rods on the two bearing rods through the sliding fit between the two bearing rods and the two bearing rods, being convenient for limiting and fixing the sliding positions of the clamping rods on the bearing rods through fixing bolts, through the ventilation lid, be convenient for carry out suitable ventilation in the reaction tank, consequently, this low temperature environment-friendly sulphur is from heterotrophic denitrification fungus of oxygen denitrification device can effectively get rid of the nitrate nitrogen, and it is higher to take off total nitrogen ability, and the practicality is higher.
Drawings
FIG. 1 is a schematic view of a partially cut-away perspective structure of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B according to the present invention;
FIG. 4 is a schematic perspective view of the present invention;
FIG. 5 is a schematic view of the three-dimensional structure of the bio-immobilization carrier, clamping rods, and support rods;
FIG. 6 is a schematic view of the three-dimensional structure of the present invention with the driving motor, the aeration mechanism, the aeration ring and the aeration nozzle tube.
In the figure: 1. a reaction tank; 2. an aeration mechanism; 3. a support frame; 4. a rotating drum; 5. a drive motor; 6. a connecting rod; 7. an aeration ring; 8. an aeration spout pipe; 9. streamline flow increasing blades; 10. a transport pipeline; 11. pipe distribution; 12. a sealing cover; 13. a gas distributing pipe; 14. a gas distribution ring; 15. a biological immobilization carrier; 16. a clamping rod; 17. a support rod; 18. fixing the bolt; 19. a vent cover; 20. a transmission gear; 21. a drive toothed belt; 22. a drive gear; 23. a driven gear; 24. a drive toothed belt; 25. installing a sliding block; 26. a U-shaped chute; 27. adjusting the slide bar; 28. connecting a slide bar; 29. and (4) connecting the blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
Examples
Referring to fig. 1-6, the low-temperature environment-friendly sulfur self-oxygen denitrification apparatus comprises a reaction tank 1, an aeration mechanism 2, an aeration device and a microorganism solidification mechanism, wherein the bottom end of the reaction tank 1 is connected with a support frame 3, the aeration device comprises a plurality of aeration units, each aeration unit comprises a rotary drum 4, the rotary drums 4 are hermetically and rotatably mounted on the bottom side wall of the reaction tank 1, the rotary drums 4 are in transmission connection, a plurality of transmission gears 20 are fixedly sleeved on the rotary drums 4, transmission toothed belts 21 are in transmission connection among the transmission gears 20, so that the rotary drums 4 can be rotated in a linkage manner when one rotary drum 4 rotates, a driving motor 5 is mounted on the support frame 3, the driving motor 5 is in transmission connection with one rotary drum 4 of the rotary drums 4, a driving gear 22 is fixedly sleeved on an output shaft of the driving motor 5, and a driven gear 23 is fixedly sleeved on one rotary drum 4 of the rotary drums 4, a driving toothed belt 24 is connected between the driving gear 22 and the driven gear 23 in a transmission manner, so that when the motor is started, one rotary drum 4 in the rotary drums 4 is driven to rotate in a transmission manner, the part of the rotary drum 4, which is positioned in the reaction tank 1, of the rotary drum 4 is fixedly connected with an aeration ring 7 through a plurality of connecting rods 6, the aeration ring 7 is communicated with a plurality of aeration nozzle pipes 8, and the connecting rods 6 are fixedly connected with streamlined flow increasing blades 9, so that when the rotary drums 4 are linked to rotate, the streamline flow increasing blades 9 are driven to rotate and increase the flow of liquid in the reaction tank 1, thereby further improving the uniformity and the aeration efficiency of aeration, a transmission pipeline 10 is fixedly connected in the rotary drum 4, the transmission pipeline 10 is communicated with the aeration ring 7 through a plurality of branch pipes 11, a sealing cover 12 is rotatably connected at the bottom end of the transmission pipeline 10, and a branch pipe 13 is connected on the sealing cover 12 in a penetrating manner, aeration mechanism 2 fixed mounting is on support frame 3, aeration mechanism 2 is last to communicate and is installed branch gas ring 14, a plurality of gas distribution pipes 13 all communicate with branch gas ring 14, when being convenient for the linkage of a plurality of rotary drums 4 to rotate, can drive transmission pipeline 10, a plurality of branch pipes 11 and a plurality of aeration ring 7 rotate, thereby enable aeration mechanism 2 to blow in the gas in a plurality of transmission pipelines 10 through branch gas ring 14 and a plurality of gas distribution pipes 13 and get into reaction tank 1 through the pivoted mode in, the homogeneity degree and the aeration efficiency of aeration are higher, consequently, this low temperature environment-friendly sulphur is from effectively controlling dissolved oxygen concentration of the even performance of oxygen denitrification device aeration, denitrification's effect is better.
It should be further explained that the microorganism solidifying mechanism includes a mounting rack and a plurality of biological fixing carriers 15, the biological fixing carriers 15 are multienzyme carriers, and sulfur autotrophic denitrifying bacteria are fixed on the biological fixing carriers 15 by means of biological engineering such as ion adsorption, embedding, cross-linking, covalent bonding, etc., when in practical application, the biological fixing carriers 15 can be made into a multi-grid form with one grid and one grid, and the biological fixing carriers 15 need to be designed with small gaps, small pores, etc. for ventilation, so as to meet the loading requirements of the heterotrophic denitrifying bacteria, the conventional sulfur autotrophic bacteria have long propagation period, the concentration of the autotrophic bacteria cannot adapt to the long-time water inlet pollutant load, and the autotrophic denitrifying bacteria are easily damaged, reduced or reduced in the long-term use process, thereby the denitrification capability is easily reduced, and the invention provides the following ways: under the condition of satisfying the growth of microorganisms, the sulfur autotrophic denitrifying bacteria are solidified on the multienzyme carrier by utilizing the carrier immobilization technology of the microorganisms, such as biological engineering means of ion adsorption, embedding, crosslinking, covalent bonding and the like, so that the microbial floras with higher strength, density and concentration are conveniently and rapidly generated by expanding culture, the total nitrogen in water can be rapidly and effectively degraded when the biological fixed carrier 15 is used, and meanwhile, as the sulfur autotrophic denitrifying bacteria are a diverse flora, the strains include but are not limited to: the thiobacillus thiofidus, the dehydrogen, the thiobacillus thiofidus, the sulfate reducing bacteria and the like have high coordination effect, so that the efficiency of degrading total nitrogen is high, and the impact load resistance is high, therefore, the heterotrophic denitrifying bacteria of the low-temperature environment-friendly sulfur autoxidation device can effectively remove nitrate nitrogen, the total nitrogen removal capacity is high, and the practicability is high.
It should be further noted that the mounting frame includes two clamping rods 16, the two clamping rods 16 are slidably mounted in the reaction tank 1, a plurality of mounting sliders 25 are fixedly connected to the two clamping rods 16, two U-shaped sliding grooves 26 matching with the mounting sliders 25 are correspondingly formed on the inner side wall of the reaction tank 1, the mounting sliders 25 are in sliding fit with the U-shaped sliding grooves 26, so as to facilitate quick mounting or dismounting of the two clamping rods 16 in the reaction tank 1, two supporting rods 17 are slidably mounted between the two clamping rods 16, adjusting sliding strips 27 are fixedly connected to the supporting rods 17, two sliding openings matching with the supporting rods 17 and the adjusting sliding strips 27 are formed on the clamping rods 16 corresponding to the two supporting rods 17, so as to facilitate sliding adjustment of the positions of the two clamping rods 16 on the two supporting rods 17, and two fixing bolts 18 are threadedly connected to the two clamping rods 16 corresponding to the two supporting rods 17, the sliding position of the clamping rod 16 on the bearing rod 17 is convenient to be limited and fixed, a plurality of biological fixing carriers 15 are installed between the two clamping rods 16 and the two bearing rods 17, the side walls of the biological fixing carriers 15 are fixedly connected with connecting sliding strips 28, and connecting sliding grooves matched with the connecting sliding strips 28 are correspondingly formed in the side walls of the biological fixing carriers 15 and the bearing rod 17, the connecting sliding strips 28 are in sliding fit with the connecting sliding grooves, so that the biological fixing carriers 15 are convenient to be connected and installed or detached, meanwhile, the biological fixing carriers 15 are installed or detached on the bearing rod 17, the cross sections of the installing sliding block 25, the adjusting sliding strips 27 and the connecting sliding strips 28 are T-shaped, the sliding stability is good, the biological fixing carriers 15 are not easy to fall off or move in sliding, the side walls of the biological fixing carriers 15 are fixedly connected with a plurality of connecting blocks 29, and a plurality of connecting grooves matched with the connecting blocks 29 are correspondingly formed in the side walls of the biological fixing carriers 15, stability when being convenient for increase a plurality of biological fixed carrier 15 interconnect, the top of reaction tank 1 articulates through a plurality of hinges has vent flap 19, is provided with the cavity in the vent flap 19, and vent and a plurality of ventilation hole have been seted up to the bottom of cavity, and the vent communicates with each other in vent and the reaction tank 1, and a plurality of ventilation holes communicate with each other with the external world, carry out suitable ventilation in the reaction tank 1 of being convenient for.
In summary, the working principle and working process of the low-temperature environment-friendly sulfur self-oxygen denitrification device are that, when the device is used, the device is firstly placed at a place where the device is needed to be used, when the reaction tank 1 needs to be aerated, the driving motor 5 and the aeration mechanism 2 can be started, the driving motor 5 can drive the driving gear 22 to rotate, the driving gear 22 can drive the driven gear 23 to rotate through the driving toothed belt 24 when rotating, so that the device is convenient for driving one rotary drum 4 of a plurality of rotary drums 4 to rotate, and simultaneously, due to the action of the driving toothed belt 21, the transmission gears 20 can drive the rotary drums 4 to rotate in a linkage manner when one rotary drum 4 rotates, so that the rotary drums 4 can respectively drive the transmission pipeline 10, the branch pipes 11 and the aeration rings 7 to rotate, and the aeration mechanism 2 can drive the gas blown into the transmission pipeline 10 through the gas distribution rings 14 and the gas distribution pipes 13 to rotate Get into reaction tank 1, the homogeneity degree and the aeration efficiency of aeration are higher to when a plurality of rotary drums 4 linkage rotated, can drive a plurality of streamlined flow increasing leaf 9 and rotate the flow increasing to the liquid in the reaction tank 1, thereby be convenient for further improve the homogeneity degree and the aeration efficiency of aeration, consequently, this low temperature environment-friendly sulphur is from the effective dissolved oxygen concentration of accuse of the homogeneity performance of oxygen denitrification facility aeration, and the effect of denitrification is better.
Furthermore, the connection between the plurality of biological fixed carriers 15 is facilitated by the sliding fit of the connecting slide bar 28 and the connecting slide groove, the plurality of connected biological fixed carriers 15 are conveniently installed on the two supporting rods 17, then the two supporting rods 16 can be conveniently slid on the two supporting rods 17, the two supporting rods 16 can be conveniently clamped and fixed between the plurality of biological fixed carriers 15 through the matching action of the connecting block 29 and the connecting groove, then one end of the fixing bolt 18 can be tightly contacted with the supporting rod 17 by rotating the plurality of fixing bolts 18, the sliding position of the clamping rod 16 on the supporting rod 17 can be conveniently limited and fixed, the plurality of biological fixed carriers 15 installed between the two supporting rods 16 and the two supporting rods 17 can be conveniently and slidably installed in the reaction tank 1 or be conveniently and slidably removed from the reaction tank 1 through the sliding fit action of the installing slide block 25 and the U-shaped slide groove 26, therefore, the biological fixing carrier 15 is convenient to use, the sulfur autotrophic denitrifying bacteria are solidified on the multienzyme carrier by utilizing the carrier immobilization technology of microorganisms, such as ion adsorption, embedding, crosslinking, covalent bonding and other biological engineering means, so that microbial floras with high strength, density and concentration are conveniently and rapidly generated by culture expansion, and meanwhile, the sulfur autotrophic denitrifying bacteria are a diverse flora, and the strains include but are not limited to: the thiobacillus desulfurates, the dehydrogenation, the thiobacillus thiooxidans, the sulfate reducing bacteria and the like have high coordination effect, so that the efficiency of degrading total nitrogen is high, the impact load resistance is high, and the biological fixed carrier 15 can rapidly and effectively degrade the total nitrogen in water when in use, therefore, the heterotrophic denitrifying bacteria of the low-temperature environment-friendly sulfur autoxidation device can effectively remove nitrate nitrogen, the total nitrogen removal capacity is high, and the practicability is high.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Low temperature environment-friendly sulphur is from oxygen denitrification device, including reaction tank (1) and aeration mechanism (2), its characterized in that: the device is characterized by further comprising an aeration device and a microorganism solidification mechanism, wherein the bottom end of the reaction tank (1) is connected with a support frame (3), the aeration device comprises a plurality of aeration units, each aeration unit comprises a rotary drum (4), the rotary drum (4) is installed on the bottom side wall of the reaction tank (1) in a sealed rotating mode and is in transmission connection with the rotary drums (4), a driving motor (5) is installed on the support frame (3), the driving motor (5) is in transmission connection with one rotary drum (4) of the rotary drums (4), the rotary drum (4) is located on the part of the rotary drums (4) inside the reaction tank (1) and is fixedly connected with an aeration ring (7) through a plurality of connecting rods (6), the aeration ring (7) is communicated with a plurality of aeration nozzle pipes (8), the connecting rods (6) are fixedly connected with streamline flow increasing blades (9), and the transmission pipeline (10) is fixedly connected inside the rotary drum (4), the conveying pipeline (10) is communicated with the interior of the aeration ring (7) through a plurality of branch pipes (11), the bottom end of the conveying pipeline (10) is connected with a sealing cover (12) in a sealing and rotating mode, a gas distribution pipe (13) is connected to the sealing cover (12) in a penetrating mode, the aeration mechanism (2) is fixedly installed on the supporting frame (3), the aeration mechanism (2) is provided with a gas distribution ring (14) in a communicating mode, the gas distribution pipe (13) is communicated with the gas distribution ring (14), the microorganism solidification mechanism comprises an installation frame and a plurality of biological fixing carriers (15), the installation frame comprises two clamping rods (16), the two clamping rods (16) are installed in the reaction tank (1) in a sliding mode, two bearing rods (17) are installed between the two clamping rods (16) in a sliding mode, and two fixing bolts (18) are connected to the two clamping rods (16) through threads corresponding to the two bearing rods (17), it is a plurality of biological fixed carrier (15) are installed between two supporting rods (16) and two bearing rods (17), the top of reaction tank (1) is articulated through a plurality of hinges to have ventilation lid (19), be provided with the cavity in ventilation lid (19), vent and a plurality of ventilation hole have been seted up to the bottom of cavity, communicate with each other in vent and the reaction tank (1), and are a plurality of the ventilation hole communicates with each other with the external world.
2. The low-temperature environment-friendly sulfur autoxidation device of claim 1, wherein: the biological fixed carrier (15) is a multienzyme carrier, and sulfur autotrophic denitrifying bacteria are fixed on the biological fixed carrier (15) through biological engineering means such as ion adsorption, embedding, crosslinking and covalent bonding.
3. The low-temperature environment-friendly sulfur autoxidation device of claim 2, wherein: the sulfur autotrophic denitrifying bacteria is a diverse flora, and the bacterial species include but are not limited to: thiobacillus desulfurates, thiobacillus dehydrogengenes, sulfate reducing bacteria and the like.
4. The low-temperature environment-friendly sulfur autoxidation device of claim 3, wherein: the rotary drums (4) are fixedly sleeved with transmission gears (20), and transmission toothed belts (21) are connected among the transmission gears (20) in a transmission mode.
5. The low-temperature environment-friendly sulfur autoxidation device of claim 4, wherein: the driving gear (22) is fixedly sleeved on an output shaft of the driving motor (5), a driven gear (23) is fixedly sleeved on one rotary drum (4) of the rotary drums (4), and a driving toothed belt (24) is connected between the driving gear (22) and the driven gear (23) in a transmission mode.
6. The low-temperature environment-friendly sulfur autoxidation device of claim 5, wherein: two equal fixedly connected with a plurality of installation sliders (25) are gone up in supporting rod (16), correspond on the inside wall of reaction tank (1) seted up two with U type spout (26) that installation slider (25) match, installation slider (25) with U type spout (26) are sliding fit.
7. The low-temperature environment-friendly sulfur autoxidation device of claim 6, wherein: the supporting rod (17) is fixedly connected with an adjusting sliding strip (27), and two sliding openings matched with the supporting rod (17) and the adjusting sliding strip (27) are formed in the clamping rod (16) corresponding to the two supporting rods (17).
8. The low-temperature environment-friendly sulfur autoxidation device of claim 7, wherein: fixedly connected with on the lateral wall of biological fixed carrier (15) connects draw runner (28) to on the lateral wall of biological fixed carrier (15) and bearing rod (17) all correspond seted up with connect the connection spout that draw runner (28) match, connect draw runner (28) and be sliding fit with connecting the spout.
9. The low-temperature environment-friendly sulfur autoxidation device of claim 8, wherein: the cross sections of the mounting sliding block (25), the adjusting sliding strip (27) and the connecting sliding strip (28) are all T-shaped.
10. The low-temperature environment-friendly sulfur autoxidation device of claim 9, wherein: a plurality of connecting blocks (29) are fixedly connected to the side wall of the biological fixed carrier (15), and a plurality of connecting grooves matched with the connecting blocks (29) are correspondingly formed in the side wall of the biological fixed carrier (15).
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