CN117125830B - Intelligent mud scraping three-dimensional ecological cycle nitrification treatment system - Google Patents
Intelligent mud scraping three-dimensional ecological cycle nitrification treatment system Download PDFInfo
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- CN117125830B CN117125830B CN202311404206.6A CN202311404206A CN117125830B CN 117125830 B CN117125830 B CN 117125830B CN 202311404206 A CN202311404206 A CN 202311404206A CN 117125830 B CN117125830 B CN 117125830B
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- 238000007790 scraping Methods 0.000 title claims abstract description 90
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000010802 sludge Substances 0.000 claims abstract description 33
- 238000003756 stirring Methods 0.000 claims abstract description 28
- 230000033001 locomotion Effects 0.000 claims abstract description 25
- 238000007667 floating Methods 0.000 claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims abstract description 9
- 238000005273 aeration Methods 0.000 claims description 23
- 239000000945 filler Substances 0.000 claims description 16
- 238000010992 reflux Methods 0.000 claims description 16
- 238000004062 sedimentation Methods 0.000 claims description 14
- 239000011324 bead Substances 0.000 claims description 13
- 238000006396 nitration reaction Methods 0.000 claims description 10
- 230000001877 deodorizing effect Effects 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 239000010865 sewage Substances 0.000 abstract description 29
- 230000000694 effects Effects 0.000 abstract description 14
- 238000006243 chemical reaction Methods 0.000 abstract description 11
- 239000010842 industrial wastewater Substances 0.000 abstract description 2
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005842 biochemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000006228 supernatant Substances 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- C02F3/30—Aerobic and anaerobic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0804—Cleaning containers having tubular shape, e.g. casks, barrels, drums
- B08B9/0808—Cleaning containers having tubular shape, e.g. casks, barrels, drums by methods involving the use of tools, e.g. by brushes, scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/0856—Cleaning of water-treatment installations
-
- 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
- C02F3/302—Nitrification and denitrification treatment
- C02F3/303—Nitrification and denitrification treatment characterised by the nitrification
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention relates to the technical field of domestic sewage treatment and industrial wastewater treatment, in particular to an intelligent sludge scraping three-dimensional ecological circulation nitrification treatment system which comprises a water inlet pipe, an anoxic tank, a circulation facultative tank, an outer flow guide barrel, a middle flow guide barrel and an inner flow guide barrel, wherein the upper end of the circulation facultative tank is sleeved with a top support ring, the lower end of the circulation facultative tank is sleeved with a bottom support round table, and a main driving device is arranged on the bottom support round table and used for driving the circulation facultative tank to perform circular motion; the top support ring is provided with a scraping component, and the bottom of the circulation facultative tank is also provided with an auxiliary stirring cleaning component. The invention can simultaneously scrape and clean the outer side wall of the circulating facultative tank and the bottom wall of the bottom support round table, prevent sludge from adhering to the circular facultative tank to form dirt, lighten the load on the floating device and improve the nitrification reaction effect of sewage.
Description
Technical Field
The invention relates to the technical field of domestic sewage treatment and industrial wastewater treatment, in particular to an intelligent sludge scraping three-dimensional ecological cycle nitrification treatment system.
Background
The existing treatment process adopted by domestic urban sewage treatment plants has low ammonia nitrogen and total nitrogen removal efficiency, and particularly the total nitrogen removal efficiency is generally lower than 80 percent.
The invention patent of China with the application number of CN201310219083.9 discloses a low-energy consumption intelligent three-dimensional ecological self-refluxing circulation nitrification method and device, wherein a wind driven generator is arranged beside an anoxic tank, a solar power generation device is arranged on the roof of the anoxic tank, at least one three-dimensional ecological self-refluxing circulation nitrification treatment unit is arranged in the tank, each unit is divided into an ecological deodorization area and a circulation nitrification reaction area from top to bottom, each reaction area is divided into an aerobic area, a facultative area, a sedimentation area and an anoxic area from inside to outside, an aeration element is arranged in the aerobic area, sewage enters the facultative area for reaction and preliminary sedimentation after passing through the anoxic area through the aeration effect, part of muddy water mixed liquor enters the aerobic area again through aeration, the rest part of muddy water mixed liquor flows back into the anoxic tank through a sludge guide pipe, and supernatant fluid in the sedimentation area finally flows out through a water collecting pipe.
Although the device realizes the effect of self-reflux circulation nitrification of sewage in each area through aeration power and steam-water density difference, the device has the following defects in actual use: firstly, the outer wall of the circulation facultative tank in the device is in direct contact with sewage sprayed from the water inlet, and as the circulation facultative tank is fixedly arranged at the lower end of the floating device, a large amount of sludge dirt can adhere to the outer wall of the circulation facultative tank after long-time use, so that on one hand, the nitrification treatment effect of subsequent sewage can be influenced, on the other hand, the gravity of the circulation facultative tank can be aggravated by the sludge dirt, the load of the floating device is aggravated, the suspending capacity of the floating device is reduced, and the overall stability of the device is further influenced.
Disclosure of Invention
The invention aims to provide an intelligent sludge scraping three-dimensional ecological cycle nitrification treatment system so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the intelligent mud scraping three-dimensional ecological cycle nitrification treatment system comprises a plurality of self-reflux cycle nitrification treatment units, wherein each self-reflux cycle nitrification treatment unit sequentially comprises a water inlet pipe, an anoxic tank, a cycle facultative tank, an outer guide barrel, a middle guide barrel and an inner guide barrel from outside to inside, an anoxic zone B4, a sedimentation zone B3, a facultative zone B2 and an aerobic zone B1 are sequentially formed, and a floating device is arranged at the upper end of each anoxic tank and used for assisting in positioning of a self-reflux cycle nitrification treatment unit component; the upper end of the circulating facultative tank is externally and rotatably sleeved with a top supporting ring, the lower end of the circulating facultative tank is limited and rotatably sleeved with a bottom supporting round table, the outer part of the bottom supporting round table is fixedly sleeved with a connecting ring, the two horizontal ends of the connecting ring are fixedly arranged on the inner side wall of the anoxic tank through transverse supporting rods, and the bottom supporting round table is provided with a main driving device for driving the circulating facultative tank to perform circular motion;
the top support ring is provided with a scraping component which is connected with the main driving device through a connecting component, and the main driving device is used as a power source to scrape and clean the outer side wall of the circulating facultative tank;
the bottom of circulation facultative tank still is provided with supplementary stirring clearance subassembly for scrape the clearance to the diapire of bottom sprag round platform, stirring clearance subassembly is the fixed strip of scraping that annular array distributes including the multiunit, and the inside all spacing slip grafting of every fixed strip of scraping of group has a set of activity to scrape the strip, and multiunit activity is scraped the strip and is carried out circular motion and still carries out up-and-down motion under pushing the promotion of promotion subassembly.
Preferably, one end of the water inlet pipe is externally connected with a water source, the other end of the water inlet pipe extends into the lower end of the inner part of the anoxic tank, and the vertical part of the water inlet pipe is detachably and fixedly arranged on the outer wall of the anoxic tank through 2 or 3 groups of clamps.
Preferably, the middle part of the floating device is also provided with a plant planting pool, the inside of the plant planting pool is filled with deodorizing filler, emergent aquatic plants are planted on the deodorizing filler, and the rhizomes of the emergent aquatic plants extend into the circulating facultative tank.
Preferably, the top parts of the outer guide flow barrel and the middle guide flow barrel are fixedly connected to the lower end surface of the floating device, and the bottom part of the inner guide flow barrel is fixedly arranged on the bottom wall of the outer guide flow barrel.
Preferably, the upper end of the inner flow guiding barrel is communicated with the facultative zone B2, and the lower end of the inner flow guiding barrel is communicated with the anoxic zone B4.
Preferably, an aeration element is arranged in the inner guide flow barrel, an aeration pipe is arranged at the lower end of the aeration element, and the aeration pipe is fixedly arranged at the bottom of the inner guide flow barrel and provides oxygen for the aeration element.
Preferably, the lower extreme and the sedimentation zone B3 intercommunication of middle part water conservancy diversion bucket has seted up the round hole on the right side wall of outer water conservancy diversion bucket, and the round hole internal fixation grafting has the collector pipe, and the collector pipe communicates with sedimentation zone B3, and the collector pipe other end runs through the anoxic tank and extends in the outside.
Preferably, a filler fixing frame is arranged in the inner guide barrel, and biological filler is arranged in the filler fixing frame.
Preferably, the bottom of the circulating facultative tank is arranged into a cone structure, and the middle end of the bottom of the circulating facultative tank is limited and rotatably provided with a sludge guide pipe.
Preferably, two groups of sludge self-return pipes symmetrical about the sludge guide pipe are further arranged on the circulating facultative tank, and through holes are formed in the side wall of the top supporting ring.
Preferably, the bottom of the circulating facultative tank is also provided with a clamping ring in a protruding mode, an annular movable groove is formed in the bottom supporting round table, and the clamping ring is inserted into the annular movable groove and connected to the main driving device.
Preferably, the bottom support round platform is inside to be offered and to hold main drive arrangement's standing groove, and main drive arrangement includes driving gear, rotation axis and rotating electrical machines, and rotating electrical machines's output shaft fixed connection is in the rotation axis, and driving gear fixedly cup joints on the rotation axis, and fixedly cup joints the initiative ring gear on the joint ring, and initiative ring gear and driving gear meshing are connected.
Preferably, the upper end of the circulating facultative tank is connected with the connecting component, and the top supporting ring is provided with a containing cavity for containing the connecting component.
Preferably, the coupling assembly comprises a driven gear ring and a plurality of driven gears, wherein the driven gear ring is fixedly sleeved at the upper end of the outer wall of the circulation facultative tank, and the driven gear ring is arranged in the accommodating cavity in a limiting rotation manner and is meshed with the driven gears.
Preferably, the driven gears are not less than four, each driven gear is connected with a group of scraping components, and each scraping component comprises a rotary rod and a plurality of scraping blades.
Preferably, one end of the rotating rod is fixedly connected with the driven gear, the other end of the rotating rod penetrates through the connecting ring and is fixedly connected with the auxiliary stirring rod, the limiting ring is further installed in the connecting ring in a limiting rotation mode, the limiting ring is fixedly sleeved on the rotating rod, and the plurality of scraping blades are spirally and continuously distributed on the rotating rod.
Preferably, the fixed scraping strip and the movable scraping strip are both arranged in an L-shaped structure, the top of the vertical end of the fixed scraping strip is fixedly connected with the circulating facultative tank, and the upper end face of the horizontal part of the fixed scraping strip is in contact connection with the bottom wall of the bottom support round table.
Preferably, the vertical part of the movable scraping strip is in limited sliding connection in the fixed scraping strip and is connected with the pushing assembly, the pushing assembly comprises a sliding bead, a driving groove is formed in the inner side wall of the bottom support round table, the driving groove is a closed groove formed by two groups of spiral grooves, one end of the sliding bead is fixedly connected with the movable scraping strip, and the other end of the sliding bead penetrates through the fixed scraping strip and is clamped in the driving groove.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through a group of main driving devices, the circulating facultative tank, the scraping assembly and the stirring cleaning assembly are driven to move, so that the scraping cleaning can be carried out on the outer side wall of the circulating facultative tank and the bottom wall of the bottom supporting round table at the same time, and the sludge is prevented from adhering to the circular facultative tank to form dirt, so that the load on the floating device is reduced to a certain extent, the suspension capability of the floating device is ensured, and the overall stability of the device is improved; the auxiliary stirring rod at the bottom of the rotating rod is matched with the movable scraping strip, so that the sewage in the anoxic tank can be stirred and mixed in multiple layers, and the nitrification reaction effect of the sewage is greatly improved;
2. according to the invention, through the design of the driven gear ring and the driven gears, the circular motion of the circulating facultative tank can be converted into the high-speed autorotation motion of the rotating rods and the auxiliary stirring rods, so that the mechanical linkage is strong, the scraping blade on the auxiliary stirring rods can scrape and clean the outer wall of the circulating facultative tank, and meanwhile, the auxiliary stirring rods at the bottom can stir sewage in the anoxic tank at high speed, so that the reaction time is shortened;
3. according to the invention, the plurality of scraping blades are spirally and continuously distributed on the rotating rod, so that the effect of comprehensive scraping can be realized by the least amount of scraping blades, the outer side wall of the circulating facultative tank can be efficiently cleaned, the number of scraping blades can be optimized, and the overall load of the rotating rod is reduced;
4. through setting up the sliding bead and using with the drive slot cooperation, can be with circulating facultative tank's circular motion conversion for the activity scrape the strip and carry out the rectilinear up-and-down motion in addition, carry out the activity of dual motion and scrape the strip and carry out multilayer stirring and mix to the sewage of bottom sprag round platform below to further accelerate the nitration of sewage.
Drawings
Fig. 1 is a schematic plan view of a three-dimensional ecological cycle nitrification treatment system for intelligent mud scraping.
Fig. 2 is a schematic perspective view of the intelligent sludge scraping three-dimensional ecological cycle nitrification treatment system of the invention.
FIG. 3 is a schematic diagram of a single self-refluxing cyclic nitration processing unit of the invention.
FIG. 4 is another schematic view of a single self-refluxing cyclic nitration unit according to the invention.
FIG. 5 is a schematic drawing in section of a single self-refluxing recycle nitration unit of the invention.
FIG. 6 is a schematic drawing in section from another perspective of a single self-refluxing cyclic nitration unit of the invention.
FIG. 7 is a schematic drawing showing a section of the circulation facultative tank in the present invention.
Fig. 8 is a schematic view of a bottom support bench in a cutaway of the present invention.
FIG. 9 is a schematic diagram illustrating the connection of the scraping assembly according to the present invention.
FIG. 10 is a schematic view of the connection of the bottom support bench to the auxiliary agitation cleaning apparatus of the present invention.
In the figure: the anaerobic treatment device comprises a water inlet pipe 1, an anoxic pond 2, a sludge guide pipe 3, a clamping ring 301, a circulating facultative tank 4, a sludge self-return pipe 401, an outer guide barrel 5, a middle guide barrel 6, an inner guide barrel 7, an aeration pipe 8, a filler fixing frame 9, a floating device 10, a top supporting ring 11, a through hole 12, a water collecting pipe 13, a bottom supporting round table 14, a driving groove 1401, an annular movable groove 1402, a connecting ring 15, a transverse supporting rod 16, a driving gear 17, a driving gear 18, a rotating shaft 19, a rotating motor 20, a driven gear 21, a driven gear 22, a rotating rod 23, a scraping blade 24, a limiting ring 25, an auxiliary stirring rod 26, a fixed scraping bar 27, a movable scraping bar 28, a sliding bead 29, an aerobic zone B1, a facultative zone B2, a sedimentation zone B3 and an anoxic zone B4.
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.
Referring to fig. 1 to 10, the present invention provides the following technical solutions: the intelligent mud scraping three-dimensional ecological cycle nitrification treatment system comprises a plurality of self-reflux cycle nitrification treatment units, wherein each self-reflux cycle nitrification treatment unit sequentially comprises a water inlet pipe 1, an anoxic tank 2, a cycle facultative tank 4, an outer guide barrel 5, a middle guide barrel 6 and an inner guide barrel 7 from outside to inside, an anoxic zone B4, a sedimentation zone B3, a facultative zone B2 and an aerobic zone B1 are sequentially formed, and a floating device 10 is arranged at the upper end of the anoxic tank 2 and used for assisting in positioning self-reflux cycle nitrification treatment unit components; the upper end of the circulation facultative tank 4 is externally and rotatably sleeved with a top supporting ring 11, the lower end of the circulation facultative tank 4 is limited and rotatably sleeved with a bottom supporting round table 14, the outer part of the bottom supporting round table 14 is fixedly sleeved with a connecting ring 15, the horizontal two ends of the connecting ring 15 are fixedly arranged on the inner side wall of the anoxic tank 2 through a transverse supporting rod 16, and the bottom supporting round table 14 is provided with a main driving device for driving the circulation facultative tank 4 to perform circular motion;
the top supporting ring 11 is provided with a scraping component which is connected with a main driving device through a connecting component and scrapes and cleans the outer side wall of the circulating facultative tank 4 by taking the main driving device as a power source;
the bottom of circulation facultative tank 4 still is provided with supplementary stirring clearance subassembly for scrape the clearance to the diapire of bottom sprag round platform 14, stirring clearance subassembly is the fixed strip 27 of scraping of annular array distribution including the multiunit, and the inside all spacing slip grafting of every fixed strip 27 of scraping of group has a set of activity to scrape strip 28, and multiunit activity scrapes strip 28 and carries out the up-and-down motion when carrying out circular motion under pushing the promotion of pushing component.
Further, the circulating facultative tank 4, the scraping assembly and the stirring cleaning assembly are driven to move through the group of main driving devices, so that the outer side wall of the circulating facultative tank 4 and the bottom wall of the bottom supporting round table 14 can be simultaneously scraped and cleaned, dirt is prevented from being formed on the sludge by adhesion, the load on the floating device 10 is reduced to a certain extent, the suspending capacity of the floating device is guaranteed, and the integral stability of the device is improved; and the auxiliary stirring rod 26 at the bottom of the rotating rod 23 is matched with the movable scraping strip 28, so that the sewage in the anoxic tank 2 can be stirred and mixed in a multi-level manner, and the nitrification reaction of the sewage can be further accelerated.
One end of the water inlet pipe 1 is externally connected with a water source, the other end of the water inlet pipe 1 extends into the lower end of the inside of the anoxic tank 2, and the vertical part of the water inlet pipe 1 is detachably and fixedly arranged on the outer wall of the anoxic tank 2 through 2 or 3 groups of clamps.
The middle part of the floating device 10 is also provided with a plant planting pool, the inside of the plant planting pool is filled with deodorizing filler, emergent aquatic plants are planted on the deodorizing filler, and the rhizomes of the emergent aquatic plants extend into the circulating facultative tank 4.
The top of the outer guide barrel 5 and the middle guide barrel 6 are fixedly connected to the lower end face of the floating device 10, and the bottom of the inner guide barrel 7 is fixedly arranged on the bottom wall of the outer guide barrel 5.
The upper end of the inner flow guiding barrel 7 is communicated with the facultative zone B2, and the lower end of the inner flow guiding barrel 7 is communicated with the anoxic zone B4.
An aeration element is arranged in the inner guide flow barrel 7, an aeration pipe 8 is arranged at the lower end of the aeration element, and the aeration pipe 8 is fixedly arranged at the bottom of the inner guide flow barrel 7 and provides oxygen for the aeration element.
The lower extreme and the sedimentation zone B3 intercommunication of middle part water conservancy diversion bucket 6, offered the round hole on the right side wall of outer water conservancy diversion bucket 5, the round hole internal fixation grafting has collector pipe 13, collector pipe 13 and sedimentation zone B3 intercommunication, the collector pipe 13 other end runs through anoxic tank 2 and extends in the outside.
A filler fixing frame 9 is arranged in the inner guide barrel 7, and biological filler is arranged in the filler fixing frame 9.
The bottom of the circulating facultative tank 4 is arranged into a cone structure, and the middle end of the bottom is limited and rotatably provided with a sludge guide pipe 3; for the removal of sludge.
Two groups of sludge self-return pipes 401 symmetrical about the sludge guide pipe 3 are also arranged on the circulating facultative tank 4, and through holes 12 are formed on the side wall of the top supporting ring 11. The sewage enters the anoxic zone through the through holes 12.
The bottom of the circulation facultative tank 4 is also provided with a clamping ring 301 in a protruding mode, an annular movable groove 1402 is formed in the bottom supporting round table 14, and the clamping ring 301 is inserted into the annular movable groove 1402 and connected to the main driving device.
The inside standing groove that holds main drive arrangement that has seted up of bottom sprag round platform 14, main drive arrangement include driving gear 18, rotation axis 19 and rotating electrical machines 20, and rotating electrical machines 20's output shaft fixed connection is in rotation axis 19, and driving gear 18 fixedly cup joints on rotation axis 19, and fixedly cup joints driving gear ring 17 on the joint ring 301, and driving gear ring 17 meshes with driving gear 18 and is connected.
Further, by designing the driving ring gear 17, the driving gear 18, and the rotation shaft 19, the driving force of the rotating electric machine 20 can be converted into the circular motion of the engaging ring 301 and the circulating facultative tank 4, and the circulating facultative tank 4 performing the circular motion can be better fitted to the scraping assembly.
The upper end of the circulation facultative tank 4 is connected with the coupling component, and the top supporting ring 11 is provided with a containing cavity for containing the coupling component.
The coupling assembly comprises a driven gear ring 21 and a plurality of driven gears 22, wherein the driven gear ring 21 is fixedly sleeved at the upper end of the outer wall of the circulation facultative tank 4, and the driven gear ring 21 is mounted in the accommodating cavity in a limiting rotation manner and is in meshed connection with the plurality of driven gears 22.
Further, through the design of the driven gear ring 21 and the plurality of driven gears 22, the circular motion of the circulation facultative tank 4 can be converted into the high-speed autorotation motion of the plurality of rotating rods 23 and the auxiliary stirring rod 26, so that the scraping blade 24 on the auxiliary stirring rod 26 can scrape and clean the outer wall of the circulation facultative tank 4, and meanwhile, the auxiliary stirring rod 26 at the bottom can stir the sewage in the anoxic tank 2 at a high speed, so that the reaction time is shortened.
The driven gears 22 are provided with not less than four, and each driven gear 22 is connected with a group of scraping assemblies, and each scraping assembly comprises a rotary rod 23 and a plurality of scraping blades 24.
One end of a rotating rod 23 is fixedly connected with a driven gear 22, the other end of the rotating rod 23 penetrates through the connecting ring 15 and is fixedly connected with an auxiliary stirring rod 26, a limiting ring 25 is arranged in the connecting ring 15 in a limiting rotation mode, the limiting ring 25 is fixedly sleeved on the rotating rod 23, and a plurality of scraping blades 24 are spirally and continuously distributed on the rotating rod 23.
Further, by continuously distributing the plurality of wiper blades 24 in a spiral shape on the rotating rod 23, the effect of overall wiping can be achieved with a minimum number of wiper blades 24, the outer side wall of the circulation facultative tank 4 can be cleaned efficiently, the number of wiper blades 24 can be optimized, and the load of the whole rotating rod 23 can be reduced.
The fixed scraping strip 27 and the movable scraping strip 28 are both arranged into L-shaped structures, the top of the vertical end of the fixed scraping strip 27 is fixedly connected with the circulating facultative tank 4, and the upper end face of the horizontal part of the fixed scraping strip 27 is in contact connection with the bottom wall of the bottom support round table 14.
The vertical part of the movable scraping strip 28 is in limited sliding connection in the fixed scraping strip 27 and is connected with a pushing component, the pushing component comprises a sliding bead 29, a driving groove 1401 is formed in the inner side wall of the bottom support round table 14, the driving groove 1401 is a closed groove formed by two groups of spiral grooves, one end of the sliding bead 29 is fixedly connected with the movable scraping strip 28, and the other end of the sliding bead 29 penetrates through the fixed scraping strip 27 and is clamped in the driving groove 1401.
Further, by arranging the sliding beads 29 to be matched with the driving groove 1401, the circular motion of the circulating facultative tank 4 can be converted into the circular motion of the movable scraping strip 28, and meanwhile, the movable scraping strip 28 which performs double motions can perform multi-level stirring and mixing on sewage below the bottom support round table 14, so that the nitrification reaction of the sewage is further accelerated.
The invention is used when in use: the sewage is introduced into the anoxic tank 2 through the water inlet pipe 1, the sewage enters the anoxic zone B4 from the through hole 12 on the top supporting ring 11, the sewage enters the aerobic zone B1 from the anoxic zone B4 through the lifting action of the aeration element, the biochemical reaction and the primary precipitation are carried out on the sewage, the fluidized activated sludge and the liquid flow to the facultative zone B2 through the open water outlet arranged at the upper part of the aerobic zone B1, and the aeration area B1 contains bubbles with lower density than the facultative zone B2, so that the density difference between the lifting zone and the descending zone is generated, namely the aerobic zone B1 is the lifting zone, the facultative zone B2 is the descending zone, the liquid between the two zones flows from the place with high density to the place with low density, the biochemical reaction and the primary precipitation are carried out on the activated sludge and the liquid in the facultative zone B2, meanwhile, part of the muddy water mixture is lifted by the lifting action again, the aeration area B1 is reentered from the through hole 12, and the nitrification reaction is formed by the lifting action of the sewage and the sewage in the aerobic zone B1. Part of the muddy water mixed solution automatically flows back into the anoxic tank 2 through the sludge guide pipe 3, and supernatant liquid in the sedimentation zone B3 after multiple-cycle nitration reaction finally flows out of the water collecting pipe 13;
in the process, the rotating motor 20 is started while the sewage nitrifying reaction is carried out, the rotating motor 20 drives the rotating shaft 19 to rotate, the driving gear 18 on the rotating shaft 19 acts on the driving gear ring 17, so that the driving gear ring 17 drives the clamping ring 301 to carry out circular motion, the clamping ring 301 is fixedly connected with the circulating facultative tank 4, so that the circulating facultative tank 4 drives the driven gear ring 21 to carry out circular motion, the driven gear ring 21 acts on the driven gear 22, a plurality of rotating rods 23 rotate, the scraping blades 24 which are spirally distributed on the rotating rods 23 can scrape the outer side wall of the circulating facultative tank 4, sludge and dirt are prevented from adhering to the outer wall, the cleaning effect of the outer wall of the circulating facultative tank 4 is kept, and the load on the floating device 10 is relieved to a certain extent; the auxiliary stirring rod 26 at the bottom of the rotating rod 23 can stir and mix sewage to strengthen nitration reaction;
meanwhile, the fixed scraping strip 27 at the bottom of the circulating facultative tank 4 and the fixed scraping strip perform synchronous circular motion, and the fixed scraping strip 27 can scrape the bottom wall of the bottom supporting round table 14 so as to avoid sludge adhesion; in the process that the movable scraping strip 28 moves along with the fixed scraping strip 27 in a circular manner, the sliding beads 29 on the movable scraping strip 28 reciprocate up and down in a straight line under the action of the driving groove 1401, and the movable scraping strip 28 which moves in a double manner can stir and mix the sewage of the bottom support circular table 14 in multiple layers, so that the nitrification reaction of the sewage is further enhanced.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an intelligent three-dimensional ecological cycle nitration processing system who scrapes mud, includes a plurality of self-refluxing cycle nitration processing units, and this self-refluxing cycle nitration processing unit is from outside to inside including inlet tube (1), anoxic tank (2), circulation facultative tank (4), outer water conservancy diversion bucket (5), middle part water conservancy diversion bucket (6) and interior water conservancy diversion bucket (7) in proper order, forms anoxic zone B4, sedimentation zone B3, facultative zone B2 and good oxygen district B1 in circulation facultative tank (4), its characterized in that: the upper end of the anoxic tank (2) is provided with a floating device (10) for assisting in positioning the self-refluxing circulation nitrification treatment unit assembly; the upper end of the circulating facultative tank (4) is externally and rotatably sleeved with a top supporting ring (11), the lower end of the circulating facultative tank (4) is limited and rotatably sleeved with a bottom supporting round table (14), the outer part of the bottom supporting round table (14) is fixedly sleeved with a connecting ring (15), the horizontal two ends of the connecting ring (15) are fixedly arranged on the inner side wall of the anoxic tank (2) through transverse supporting rods (16), and the bottom supporting round table (14) is provided with a main driving device for driving the circulating facultative tank (4) to perform circular motion; the bottom of the circulating facultative tank (4) is also provided with a clamping ring (301) in a protruding mode, an annular movable groove (1402) is formed in the bottom supporting round table (14), and the clamping ring (301) is inserted into the annular movable groove (1402) and connected with the main driving device; the bottom support round table (14) is internally provided with a placing groove for accommodating a main driving device, the main driving device comprises a driving gear (18), a rotating shaft (19) and a rotating motor (20), an output shaft of the rotating motor (20) is fixedly connected to the rotating shaft (19), the driving gear (18) is fixedly sleeved on the rotating shaft (19), a clamping ring (301) is fixedly sleeved with a driving gear ring (17), and the driving gear ring (17) is in meshed connection with the driving gear (18);
the top support ring (11) is provided with a scraping component which is connected with the main driving device through a connecting component, and the main driving device is used as a power source to scrape and clean the outer side wall of the circulation facultative tank (4); the upper end of the circulating facultative tank (4) is connected with the connecting component, and the top supporting ring (11) is provided with a containing cavity for containing the connecting component; the connecting assembly comprises a driven gear ring (21) and a plurality of driven gears (22), wherein the driven gear ring (21) is fixedly sleeved at the upper end of the outer wall of the circulating facultative tank (4), and the driven gear ring (21) is arranged in the accommodating cavity in a limiting rotation manner and is in meshed connection with the driven gears (22); the driven gears (22) are not less than four, each driven gear (22) is connected with a group of scraping assemblies, each scraping assembly comprises a rotating rod (23) and a plurality of scraping blades (24), one end of each rotating rod (23) is fixedly connected with each driven gear (22), the other end of each rotating rod (23) penetrates through a connecting ring (15) and is fixedly connected with an auxiliary stirring rod (26), a limiting ring (25) is further installed in the connecting ring (15) in a limiting rotating mode, the limiting rings (25) are fixedly sleeved on the corresponding rotating rods (23), and the plurality of scraping blades (24) are in spiral continuous distribution on the corresponding rotating rods (23);
the bottom of the circulation facultative tank (4) is also provided with an auxiliary stirring cleaning component which is used for scraping and cleaning the bottom wall of the bottom support round table (14), the stirring cleaning component comprises a plurality of groups of fixed scraping strips (27) distributed in an annular array, a group of movable scraping strips (28) are inserted in each group of fixed scraping strips (27) in a limiting sliding manner, the movable scraping strips (28) do circular motion under the pushing of the pushing component and simultaneously do up-and-down motion, the fixed scraping strips (27) and the movable scraping strips (28) are all arranged to be of L-shaped structures, the top of the vertical end of the fixed scraping strips (27) is fixedly connected with the circulation facultative tank (4), and the upper end face of the horizontal part of the fixed scraping strips (27) is in contact connection with the bottom wall of the bottom support round table (14); the vertical part of the movable scraping strip (28) is in limited sliding connection in the fixed scraping strip (27) and is connected with the pushing assembly, the pushing assembly comprises a sliding bead (29), a driving groove (1401) is formed in the inner side wall of the bottom supporting round table (14), the driving groove (1401) is a closed groove formed by two groups of spiral grooves, one end of the sliding bead (29) is fixedly connected with the movable scraping strip (28), and the other end of the sliding bead (29) penetrates through the fixed scraping strip (27) and is clamped in the driving groove (1401); the tops of the outer guide barrel (5) and the middle guide barrel (6) are fixedly connected to the lower end face of the floating device (10), and the bottom of the inner guide barrel (7) is fixedly arranged on the bottom wall of the outer guide barrel (5); the upper end of the inner flow guiding barrel (7) is communicated with the facultative zone B2, and the lower end of the inner flow guiding barrel (7) is communicated with the anoxic zone B4; the lower extreme and the sedimentation zone B3 intercommunication of middle part water conservancy diversion bucket (6), offered the round hole on the right side wall of outer water conservancy diversion bucket (5), the round hole internal fixation grafting has collector pipe (13), collector pipe (13) and sedimentation zone B3 intercommunication, and the other end of collector pipe (13) runs through anoxic tank (2) and extends in the outside.
2. The intelligent sludge scraping three-dimensional ecological cycle nitrification treatment system according to claim 1, wherein: one end of the water inlet pipe (1) is externally connected with a water source, the other end of the water inlet pipe (1) extends into the lower end of the inside of the anoxic tank (2), and the vertical part of the water inlet pipe (1) is detachably and fixedly arranged on the outer wall of the anoxic tank (2) through 2-3 groups of clamps.
3. The intelligent sludge scraping three-dimensional ecological cycle nitrification treatment system according to claim 1, wherein: the middle part of the floating device (10) is also provided with a plant planting pool, deodorizing filler is filled in the plant planting pool, emergent aquatic plants are planted on the deodorizing filler, and rhizomes of the emergent aquatic plants extend into the circulating facultative tank (4).
4. The intelligent sludge scraping three-dimensional ecological cycle nitrification treatment system according to claim 1, wherein: an aeration element is arranged in the inner guide barrel (7), an aeration pipe (8) is arranged at the lower end of the aeration element, and the aeration pipe (8) is fixedly arranged at the bottom of the inner guide barrel (7) and provides oxygen for the aeration element.
5. The intelligent sludge scraping three-dimensional ecological cycle nitrification treatment system according to claim 1, wherein: a filler fixing frame (9) is arranged in the inner guide barrel (7), and biological filler is arranged in the filler fixing frame (9).
6. The intelligent sludge scraping three-dimensional ecological cycle nitrification treatment system according to claim 1, wherein: the bottom of the circulating facultative tank (4) is arranged into a cone structure, and the middle end of the bottom of the circulating facultative tank is limited and rotatably provided with a sludge guide pipe (3).
7. The intelligent sludge scraping three-dimensional ecological cycle nitrification treatment system according to claim 6, wherein: two groups of sludge self-return pipes (401) symmetrical to the sludge guide pipe (3) are further arranged on the circulating facultative tank (4), and through holes (12) are formed in the side wall of the top supporting ring (11).
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103435155A (en) * | 2013-06-04 | 2013-12-11 | 深圳市地大东江环境研究院 | Low-energy and intelligent three-dimensional ecological self-refluxing circulation nitrification method and apparatus |
CN215694887U (en) * | 2021-08-26 | 2022-02-01 | 湖北锦泽环保科技有限公司 | High-efficient sewage centrifugal filter device |
CN116022935A (en) * | 2023-03-28 | 2023-04-28 | 天津滨港电镀企业管理有限公司 | Zinc-nickel wastewater biological vein breaking treatment process |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103435155A (en) * | 2013-06-04 | 2013-12-11 | 深圳市地大东江环境研究院 | Low-energy and intelligent three-dimensional ecological self-refluxing circulation nitrification method and apparatus |
CN215694887U (en) * | 2021-08-26 | 2022-02-01 | 湖北锦泽环保科技有限公司 | High-efficient sewage centrifugal filter device |
CN116022935A (en) * | 2023-03-28 | 2023-04-28 | 天津滨港电镀企业管理有限公司 | Zinc-nickel wastewater biological vein breaking treatment process |
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