CN115475425A - Ammonia nitrogen wastewater treatment system and ammonia nitrogen wastewater treatment method - Google Patents
Ammonia nitrogen wastewater treatment system and ammonia nitrogen wastewater treatment method Download PDFInfo
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- CN115475425A CN115475425A CN202211112663.3A CN202211112663A CN115475425A CN 115475425 A CN115475425 A CN 115475425A CN 202211112663 A CN202211112663 A CN 202211112663A CN 115475425 A CN115475425 A CN 115475425A
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- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 78
- 230000006835 compression Effects 0.000 claims abstract description 69
- 238000007906 compression Methods 0.000 claims abstract description 69
- 238000005406 washing Methods 0.000 claims abstract description 65
- 230000005540 biological transmission Effects 0.000 claims abstract description 53
- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
- 238000000197 pyrolysis Methods 0.000 claims abstract description 17
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 13
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 13
- 241001330002 Bambuseae Species 0.000 claims abstract description 13
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 13
- 239000011425 bamboo Substances 0.000 claims abstract description 13
- 238000010521 absorption reaction Methods 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 11
- 239000002253 acid Substances 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 230000003647 oxidation Effects 0.000 claims abstract description 8
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 8
- 238000004062 sedimentation Methods 0.000 claims abstract description 5
- 239000000047 product Substances 0.000 claims description 95
- 238000001556 precipitation Methods 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 239000013049 sediment Substances 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 14
- 239000002351 wastewater Substances 0.000 claims description 14
- 239000000243 solution Substances 0.000 claims description 12
- 238000004064 recycling Methods 0.000 claims description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 8
- 229910019142 PO4 Inorganic materials 0.000 claims description 8
- 159000000003 magnesium salts Chemical class 0.000 claims description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 8
- 239000010452 phosphate Substances 0.000 claims description 8
- 229960002261 magnesium phosphate Drugs 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 239000011574 phosphorus Substances 0.000 claims description 6
- 240000005002 Erythronium dens canis Species 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 4
- 239000003814 drug Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 4
- 230000001376 precipitating effect Effects 0.000 claims description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 239000002244 precipitate Substances 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
- B01D29/80—Handling the filter cake in the filter for purposes other than for regenerating for drying
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5254—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using magnesium compounds and phosphoric acid for removing ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses an ammonia nitrogen wastewater treatment system and an ammonia nitrogen wastewater treatment method, which relate to the technical field of wastewater treatment and comprise a mixed reaction tank, a sedimentation tank, an aerobic contact oxidation tank, a drying pyrolyzer, an acidolysis tank and an acid liquor absorption tank, wherein the ammonia nitrogen wastewater treatment system also comprises a precipitated product filtering and washing mechanism; deposit the result and filter and wash mechanism deposit the result washing section of thick bamboo, deposit the inside initiative actuating mechanism that is provided with of result washing section of thick bamboo, it is provided with the filter plate to deposit result washing section of thick bamboo inner chamber middle part, the filter plate cup joints and sets up in the initiative actuating mechanism outside, the transmission of initiative actuating mechanism outside top is provided with compression dewatering mechanism. The invention can effectively reduce the liquid residue in the precipitated product, thereby leading the precipitated product to be more convenient in subsequent transfer without the occurrence of liquid dropping, simultaneously reducing the time required by the subsequent drying and pyrolysis and improving the pyrolysis treatment efficiency of the precipitated product.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to an ammonia nitrogen wastewater treatment system and an ammonia nitrogen wastewater treatment method.
Background
The ammonia nitrogen wastewater refers to the condition that the content of ammonia nitrogen in a wastewater water body exceeds the standard, and the ammonia nitrogen wastewater can cause the deterioration of the ecological environment of an external water body after being directly discharged, so that the harm is caused to the survival of aquatic organisms such as fish and the health of human bodies, the eutrophication of the water body is caused, the ornamental value of the water body is reduced, and the water treatment cost is increased.
The invention patent of patent application publication No. CN 103466829A discloses a method for treating high-concentration ammonia nitrogen wastewater, which comprises the steps of adding alkali liquor into wastewater, uniformly mixing, adding fresh magnesium salt and phosphate liquor, precipitating, filtering, washing and filtering the precipitated product, drying and pyrolyzing the precipitated product, recycling half of the product obtained by pyrolysis to a mixed reaction tank, carrying out acidolysis on the other half of the product, recycling the solution subjected to acidolysis to the mixed reaction tank, circulating for many times, adding a proper amount of magnesium salt and phosphate liquor after metering in the reaction tank, and reacting the ammonia gas generated in the treatment process with an acidic solution to obtain ammonia salt. The system comprises a mixing reaction tank, a sedimentation tank, an aerobic contact oxidation tank, a filtering and washing tank, a drying pyrolyzer, an acidolysis tank and an acid liquor absorption tank.
When the residual medicament components in the precipitated product are recovered, the precipitated product needs to be conveyed into a filtering and washing tank, the precipitated product is filtered by filter cloth and then washed by tap water or purified water, then the precipitated product is filtered, the filtered and washed liquid flows back to a mixing reaction tank through a pipeline, and the precipitated product needs to be manually conveyed into a drying pyrolyzer for pyrolysis.
Above-mentioned in-process, when collecting the filtration flush fluid through the filterable mode of filter cloth, because filter cloth self restriction, precipitation product still can contain a small amount of filtration flush fluid after the collection process, and the existence that this part remained the filtration flush fluid not only can increase precipitation product's the transfer degree of difficulty, easily leads to operational environment moist among the transfer process, and required time when the pyrolysis is dried to follow-up precipitation product still can be prolonged equally, and then precipitation product's pyrolysis treatment efficiency is reduced.
Therefore, it is necessary to invent an ammonia nitrogen wastewater treatment system and an ammonia nitrogen wastewater treatment method to solve the above problems.
Disclosure of Invention
The invention aims to provide an ammonia nitrogen wastewater treatment system and an ammonia nitrogen wastewater treatment method, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an ammonia nitrogen wastewater treatment system comprises a mixed reaction tank, a sedimentation tank, an aerobic contact oxidation tank, a drying pyrolyzer, an acidolysis tank and an acid liquor absorption tank, and further comprises a precipitated product filtering and washing mechanism;
deposit the result and filter and wash mechanism sediment result washing section of thick bamboo, sediment result washing section of thick bamboo inside is provided with initiative actuating mechanism, sediment result washing section of thick bamboo inner chamber middle part is provided with the filter plate, the filter plate cup joints and sets up in the initiative actuating mechanism outside, initiative actuating mechanism outside top transmission is provided with the compression dewatering mechanism, initiative actuating mechanism outside bottom is provided with the trigger formula actuating mechanism, be provided with the two-way disturbance mechanism of multiunit between filter plate and the compression dewatering mechanism.
Preferably, the active driving mechanism comprises a driving motor, a driving shaft and a driving convex tooth;
the driving motor is fixedly arranged at the bottom of the sediment product washing barrel, threads are arranged on the outer side of the driving shaft, the driving shaft is located inside the sediment product washing barrel and is in transmission connection with the driving motor, and the driving convex teeth are fixedly arranged at the bottom of the outer side of the driving shaft.
Preferably, the compression dewatering mechanism comprises a compression plate and a plurality of groups of guide assemblies, and each guide assembly comprises a guide sleeve, an annular sleeve plate and a first spring.
Preferably, the compression board cup joints and sets up in the drive shaft outside and with drive shaft threaded connection, guide sleeve slides and runs through and sets up on the compression board, the fixed cup joint of annular lagging is set up in guide sleeve outside top, first spring cup joints and sets up in guide sleeve outside top, first spring one end and compression board fixed connection and the other end and annular lagging fixed connection.
Preferably, the trigger type driving mechanism comprises a transmission sleeve, a driving gear, a positioning sleeve, a trigger rod and a second spring.
Preferably, the transmission sleeve slides to cup joint and sets up in the drive shaft outside, the transmission sleeve inboard is provided with a plurality of transmission grooves, transmission groove and drive dogtooth adaptation, the fixed cover of driving gear connects to be set up in the transmission sleeve outside, positioning sleeve rotates through the bearing to cup joint and sets up in the transmission sleeve outside, the trigger bar is provided with a plurality ofly, and is a plurality of the even fixed setting in the positioning sleeve outside of trigger bar, the second spring cup joints and sets up in the drive shaft outside, second spring b one end and deposit result washing section of thick bamboo inner wall fixed connection and the other end and positioning sleeve bottom fixed connection.
Preferably, the bidirectional disturbance mechanism comprises a threaded sleeve, an upper disturbance plate, an avoidance groove, a driven gear, a transmission shaft and a lower disturbance plate.
Preferably, the threaded sleeve slides and runs through and sets up on the filter plate, threaded sleeve bottom and adjacent trigger bar fixed connection, the fixed cover in threaded sleeve outside top is connected and is provided with annular bulge, the threaded sleeve passes through the bearing and rotates nested the setting in the filter plate top, the threaded sleeve cup joints and sets up in the threaded sleeve outside and with threaded sleeve threaded connection, it is provided with a plurality ofly, a plurality of to go up the disturbance board and evenly fix and set up in the threaded sleeve outside, dodge the groove and set up in threaded sleeve side bottom, driven gear is located and dodges the inslot side, the transmission shaft passes through the bearing and rotates and set up in threaded sleeve and guide sleeve inboard, driven gear is fixed to be set up in the transmission shaft bottom, the disturbance board is provided with a plurality ofly, a plurality of down the disturbance board is evenly fixed to be set up in the threaded sleeve outside.
The invention also provides an ammonia nitrogen wastewater treatment method of the ammonia nitrogen wastewater treatment system, which is characterized by comprising the following steps:
s1, adding wastewater and alkali liquor into a mixed reaction tank, then adding magnesium salt and phosphate solution into the wastewater, stirring and mixing, separating and precipitating, inputting a precipitation product into a precipitation product washing cylinder through a pipeline, conveying a water body into an aerobic contact oxidation tank for treatment, and inputting ammonia gas into an acid liquor absorption tank for recovery;
s2, enabling the precipitated product to enter the precipitated product washing cylinder and then be blocked by the filter plate, and further stay at the top of the filter plate, enabling the driving motor to drive the driving shaft to rotate clockwise, driving the compression plate to descend when the driving shaft rotates, compacting the precipitated product at the top of the filter plate after the compression plate descends, further enabling the waste water remaining in the precipitated product to pass through the filter plate and flow to the bottom of the inner cavity of the precipitated product washing cylinder, and then flowing back to the mixing reaction tank through a pipeline;
s3, after the first filtration is finished, driving the driving shaft to rotate anticlockwise by the driving motor, further lifting the compression plate to reset, injecting clear water into the precipitated product washing cylinder through a pipeline, washing the precipitated product after the clear water is injected, and after the water injection is finished, driving the driving shaft to rotate clockwise again by the driving motor, further lowering the compression plate again;
s4, in the descending process of the compression plate, the guide sleeve and the threaded sleeve are driven to synchronously descend, the threaded sleeve is driven to rotate clockwise on the top of the filter plate when descending, and then the lower disturbance plates are driven to synchronously rotate clockwise, so that the precipitated product and the washing water are disturbed, and the washing efficiency is accelerated;
s5, the threaded sleeve descends to drive the trigger rod to descend synchronously, the trigger rod descends to drive the transmission sleeve to descend through the positioning sleeve, the transmission sleeve slides to the outer side of the driving convex teeth after descending, the driving shaft drives the transmission sleeve to rotate synchronously through the driving convex teeth in the rotating process, the transmission sleeve drives the driving gear to rotate synchronously clockwise, then the driving gear drives the driven gear to rotate anticlockwise, the driven gear drives the lower disturbance plates to rotate anticlockwise through the transmission shaft, and then the upper disturbance plates are matched to disturb the precipitation product and the washing water in different directions;
s6, along with the continuous descending of the guide sleeve and the threaded sleeve, the annular protruding portion at the top of the outer side of the threaded sleeve is tightly pressed on the top of the threaded sleeve, at the moment, the threaded sleeve does not rotate any more, the compression plate and the threaded sleeve cannot continuously descend, at the moment, the compression plate stretches the first spring along with the continuous descending of the compression plate, when the descending distance of the compression plate reaches a threshold value, the extrusion of a precipitated product is completed, washing water flows to the bottom of an inner cavity of a precipitated product washing cylinder through the filter plate, and then flows back to the mixing reaction tank through a pipeline;
s7, enabling the driving motor to drive the driving shaft to rotate anticlockwise, enabling the compression plate to reset again, and opening a valve on a precipitation product output pipe on the right side of the precipitation product washing cylinder in the resetting process of the compression plate, wherein the extruded precipitation product is continuously pushed to an inlet of the precipitation product output pipe along with the continuous rotation of the upper disturbance plates, and then is discharged;
s8, allowing the discharged precipitation product to enter a drying pyrolyzer for pyrolysis treatment, recycling one half of the pyrolysis product as liquid medicine to a mixed reaction tank, adding the other half of the pyrolysis product to an acidolysis tank for acidolysis, recycling the acidolysis product to the mixed reaction tank, and inputting ammonia gas generated in the pyrolysis process to an acid liquor absorption tank for recycling;
and S9, repeating the operation for many times, and adding magnesium salt and phosphate solution for continuous treatment when the molar ratio of nitrogen to phosphorus is 1.0-1.4 and the molar ratio of magnesium to phosphorus is 0.8-1.2 when the solution in the mixing reaction tank does not meet the requirements.
The invention has the technical effects and advantages that:
the invention is provided with the active driving mechanism, the filter plate, the compression dewatering mechanism, the trigger type driving mechanism and the two-way disturbing mechanism, so that the compression dewatering mechanism is driven by the active driving mechanism, the compression dewatering mechanism is further enabled to extrude the sediment product on the top of the filter plate, further, the residual solution in the sediment product is rapidly discharged, the compression dewatering mechanism is driven by the active driving mechanism again during subsequent washing, meanwhile, the compression dewatering mechanism can trigger the two-way disturbing mechanism in the descending process, further, the two-way disturbing mechanism is enabled to push the trigger type driving mechanism, then, the active driving mechanism drives the two-way disturbing mechanism through the trigger type driving mechanism, further, the two-way disturbing mechanism is enabled to carry out two-way disturbance on the sediment product and washing water, the washing effect is effectively improved, finally, the washed sediment product is extruded by the compression dewatering mechanism, further, the washing water is discharged, compared with the same type device or method in the prior art, the invention can effectively reduce the liquid residue in the sediment product, further, the subsequent transfer is more convenient, the situation of liquid dropping can not occur, meanwhile, the time required by the subsequent pyrolysis when drying can be reduced, and the treatment efficiency of the sediment product is improved.
Drawings
Fig. 1 is an overall front sectional structural view of the present invention.
FIG. 2 is a schematic front view of the active driving mechanism, the compression dewatering mechanism, the trigger driving mechanism and the two-way disturbing mechanism according to the present invention.
Fig. 3 is a schematic front sectional structural diagram of the active driving mechanism and the trigger driving mechanism according to the present invention.
FIG. 4 is a schematic cross-sectional front view of the compression dewatering mechanism and the bi-directional disturbing mechanism according to the present invention.
In the figure: 1. a precipitate product washing drum; 2. an active drive mechanism; 21. a drive motor; 22. a drive shaft; 23. a drive lobe; 3. filtering the plate; 4. a compression dewatering mechanism; 41. a compression plate; 42. a guide sleeve; 43. an annular race plate; 44. a first spring; 5. a trigger-type drive mechanism; 51. a drive sleeve; 52. a driving gear; 53. positioning the sleeve; 54. a trigger lever; 55. a second spring; 6. a bidirectional perturbation mechanism; 61. a threaded sleeve; 62. a threaded bushing; 63. an upper disturbance plate; 64. an avoidance groove; 65. a driven gear; 66. a drive shaft; 67. and (6) a lower disturbance plate.
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.
Example 1
The invention provides an ammonia nitrogen wastewater treatment system as shown in figures 1-4, which comprises a mixed reaction tank, a sedimentation tank, an aerobic contact oxidation tank, a drying pyrolyzer, an acidolysis tank and an acid liquor absorption tank, and further comprises a precipitated product filtering and flushing mechanism;
deposit the result and filter and wash mechanism sediment result washing section of thick bamboo 1, sediment result washing section of thick bamboo 1 is inside to be provided with initiative actuating mechanism 2, 1 inner chamber middle part of sediment result washing section of thick bamboo is provided with filter plate 3, filter plate 3 cup joints and sets up in the 2 outsides of initiative actuating mechanism, the transmission of 2 outsides tops of initiative actuating mechanism is provided with compression dewatering mechanism 4, 2 outside bottoms of initiative actuating mechanism are provided with trigger formula actuating mechanism 5, be provided with the two-way disturbance mechanism 6 of multiunit between filter plate 3 and the compression dewatering mechanism 4.
As shown in fig. 3, the active driving mechanism 2 includes a driving motor 21, a driving shaft 22 and a driving convex tooth 23, wherein the driving motor 21 is fixedly disposed at the bottom of the precipitated product washing drum 1, a thread is disposed on the outer side of the driving shaft 22, the driving shaft 22 is located inside the precipitated product washing drum 1 and is in transmission connection with the driving motor 21, and the driving convex tooth 23 is fixedly disposed at the bottom of the outer side of the driving shaft 22.
As shown in fig. 4, compression dewatering mechanism 4 includes compression board 41 and multiunit direction subassembly, the direction subassembly includes guide sleeve 42, annular lagging 43 and first spring 44, wherein, compression board 41 cup joints to set up in the drive shaft 22 outside and with drive shaft 22 threaded connection, guide sleeve 42 slides to run through and sets up on compression board 41, the fixed cover of annular lagging 43 connects to set up in guide sleeve 42 outside top, first spring 44 cup joints to set up in guide sleeve 42 outside top, first spring 44 one end and compression board 41 fixed connection and the other end and annular lagging 43 fixed connection.
Through setting up above-mentioned structure to compress the precipitation product when compression plate 41 descends, drive guide sleeve 42 synchronous decline when compression plate 41 descends simultaneously, when guide sleeve 42 can't continue to descend, compression plate 41 then stretches first spring 44 in the descending process.
As shown in fig. 3, the trigger type driving mechanism 5 includes a transmission sleeve 51, a driving gear 52, a positioning sleeve 53, a trigger rod 54 and a second spring 55, wherein, the transmission sleeve 51 is slidably sleeved and arranged outside the driving shaft 22, the transmission sleeve 51 is provided with a plurality of transmission grooves inside, the transmission grooves are adapted to the driving convex teeth 23, the driving gear 52 is fixedly sleeved and arranged outside the transmission sleeve 51, the positioning sleeve 53 is rotatably sleeved and arranged outside the transmission sleeve 51 through a bearing, the trigger rod 54 is provided with a plurality of, the trigger rod 54 is uniformly and fixedly arranged outside the positioning sleeve 53, the second spring 55 is sleeved and arranged outside the driving shaft 22, one end of the second spring 55b is fixedly connected with the inner wall of the precipitation product washing cylinder 1, and the other end of the second spring is fixedly connected with the bottom of the positioning sleeve 53.
Through setting up above-mentioned structure to drive transmission sleeve 51 synchronous decline through location sleeve 53 when being convenient for trigger bar 54 to descend, the cover is cup jointed in the drive dogtooth 23 outside after transmission sleeve 51 descends, and drive shaft 22 drives transmission sleeve 51 synchronous revolution through drive dogtooth 23 this moment, and transmission sleeve 51 then drives driving gear 52 synchronous revolution.
As shown in fig. 4, two-way disturbance mechanism 6 includes threaded sleeve 61, threaded sleeve 62, goes up disturbance board 63, dodges groove 64, driven gear 65, transmission shaft 66 and disturbance board 67 down, wherein, threaded sleeve 61 slides and runs through and sets up on filter plate 3, threaded sleeve 61 bottom and adjacent trigger bar 54 fixed connection, the fixed cup joint in threaded sleeve 61 outside top is provided with annular bulge, threaded sleeve 62 rotates the nestedly setting in filter plate 3 top through the bearing, threaded sleeve 62 cup joints and sets up in the threaded sleeve 61 outside and with threaded sleeve 61 threaded connection, it is provided with a plurality ofly to go up disturbance board 63 and evenly fixes and set up in the threaded sleeve 62 outside, dodge groove 64 and set up in threaded sleeve 61 side bottom, driven gear 65 is located dodge groove 64 inboard, transmission shaft 66 passes through the bearing rotation and sets up in threaded sleeve 61 and guide sleeve 42 inboard, driven gear 65 is fixed to be set up in transmission shaft 66 bottom, disturbance board 67 is provided with a plurality ofly down, and a plurality of it is even fixed the setting in the threaded sleeve 61 outside to descend disturbance board 67 to set up in the threaded sleeve 61.
Through setting up above-mentioned structure to when the screw sleeve 61 pressurized descends, it is rotatory to drive a plurality of disturbance boards 63 of going up through threaded sleeve 62, and screw sleeve 61 descends in-process in addition and drives the synchronous decline of trigger bar 54, and driven gear 65 then drives a plurality of disturbance boards 67 synchronous revolution down through transmission shaft 66 when rotatory, and then the cooperation is gone up disturbance board 63 and is carried out the disturbance by equidirectional to precipitation product and washing water.
Example 2
The invention also provides an ammonia nitrogen wastewater treatment method of the ammonia nitrogen wastewater treatment system, which is characterized by comprising the following steps:
s1, adding wastewater and alkali liquor into a mixed reaction tank, then adding magnesium salt and phosphate solution into the wastewater, stirring and mixing, separating and precipitating, inputting a precipitation product into a precipitation product washing cylinder 1 through a pipeline, conveying a water body into an aerobic contact oxidation tank for treatment, and inputting ammonia gas into an acid liquor absorption tank for recovery;
s2, the sediment product enters the sediment product washing cylinder 1 and is blocked by the filter plate 3 and then stays at the top of the filter plate 3, at the moment, the driving motor 21 drives the driving shaft 22 to rotate clockwise, the driving shaft 22 drives the compression plate 41 to descend when rotating, the compression plate 41 compresses the sediment product at the top of the filter plate 3 after descending, and then the waste water remained in the sediment product passes through the filter plate 3 and flows to the bottom of the inner cavity of the sediment product washing cylinder 1 and then flows back to the mixing reaction tank through a pipeline;
s3, after the first filtration is finished, driving the driving motor 21 to drive the driving shaft 22 to rotate anticlockwise, further enabling the compression plate 41 to ascend and reset, injecting clear water into the precipitated product washing cylinder 1 through a pipeline, washing the precipitated product after the clear water is injected, and after the water injection is finished, driving the driving motor 21 to drive the driving shaft 22 to rotate clockwise again, further enabling the compression plate 41 to descend again;
s4, in the descending process of the compression plate 41, the guide sleeve 42 and the threaded sleeve 61 are driven to synchronously descend, the threaded sleeve 62 is driven to rotate clockwise on the top of the filter plate 3 when the threaded sleeve 61 descends, and then the lower disturbance plates 67 are driven to synchronously rotate clockwise, so that the precipitated products and the washing water are disturbed, and the washing efficiency is accelerated;
s5, the threaded sleeve 61 descends to drive the trigger rod 54 to descend synchronously, when the trigger rod 54 descends, the positioning sleeve 53 drives the transmission sleeve 51 to descend, the transmission sleeve 51 descends to slide to the outer side of the driving convex tooth 23 after descending, at the moment, the driving shaft 22 drives the transmission sleeve 51 to rotate synchronously through the driving convex tooth 23 in the rotation process, the transmission sleeve 51 drives the driving gear 52 to rotate synchronously clockwise, then the driving gear 52 drives the driven gear 65 to rotate anticlockwise, the driven gear 65 drives the lower disturbance plates 67 to rotate anticlockwise through the transmission shaft 66, and then the upper disturbance plates 63 are matched to disturb the precipitation products and the washing water in different directions;
s6, along with the continuous descending of the guide sleeve 42 and the threaded sleeve 61, the annular convex part at the top of the outer side of the threaded sleeve 61 is tightly pressed on the top of the threaded sleeve 62, at the moment, the threaded sleeve 62 does not rotate any more, the compression plate 41 and the threaded sleeve 61 cannot continuously descend, at the moment, along with the continuous descending of the compression plate 41, the compression plate 41 stretches the first spring 44, when the descending distance of the compression plate 41 reaches a threshold value, the extrusion of the precipitated product is completed, and the washing water flows to the bottom of the inner cavity of the precipitated product washing cylinder 1 through the filter plate 3 and then flows back into the mixing reaction tank through a pipeline;
s7, enabling the driving motor 21 to drive the driving shaft 22 to rotate anticlockwise, enabling the compression plate 41 to reset again, and opening a valve on a precipitation product output pipe on the right side of the precipitation product washing cylinder 1 in the resetting process of the compression plate 41, wherein the extruded precipitation product is continuously pushed to an inlet of the precipitation product output pipe along with the continuous rotation of the upper disturbance plates 63, so that the precipitation product is discharged;
s8, allowing the discharged precipitation product to enter a drying pyrolyzer for pyrolysis treatment, recycling one half of the pyrolysis product as liquid medicine to a mixed reaction tank, adding the other half of the pyrolysis product to an acidolysis tank for acidolysis, recycling the acidolysis product to the mixed reaction tank, and inputting ammonia gas generated in the pyrolysis process to an acid liquor absorption tank for recycling;
and S9, repeating the operation for many times, and adding magnesium salt and phosphate solution for continuous treatment when the molar ratio of nitrogen to phosphorus is 1.0-1.4 and the molar ratio of magnesium to phosphorus is 0.8-1.2 when the solution in the mixing reaction tank does not meet the requirements.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions and improvements to part of the technical features of the foregoing 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 (9)
1. The utility model provides an ammonia nitrogen effluent disposal system, includes mixed reaction tank, sedimentation tank, good oxygen contact oxidation pond, stoving pyrolyzer, acidolysis pond and acidizing fluid absorption cell, its characterized in that: the ammonia nitrogen wastewater treatment system also comprises a precipitated product filtering and flushing mechanism;
deposit the result and filter and wash mechanism and deposit result washing section of thick bamboo (1), deposit the inside initiative actuating mechanism (2) that is provided with of result washing section of thick bamboo (1), it is provided with filter plate (3) to deposit result washing section of thick bamboo (1) inner chamber middle part, filter plate (3) cup joint and set up in the initiative actuating mechanism (2) outside, initiative actuating mechanism (2) outside top transmission is provided with compression dewatering mechanism (4), initiative actuating mechanism (2) outside bottom is provided with trigger formula actuating mechanism (5), be provided with two-way disturbance mechanism of multiunit (6) between filter plate (3) and compression dewatering mechanism (4).
2. The ammonia nitrogen wastewater treatment system of claim 1, which is characterized in that: the active driving mechanism (2) comprises a driving motor (21), a driving shaft (22) and a driving convex tooth (23);
the driving motor (21) is fixedly arranged at the bottom of the sediment product washing cylinder (1), threads are arranged on the outer side of the driving shaft (22), the driving shaft (22) is located inside the sediment product washing cylinder (1) and is in transmission connection with the driving motor (21), and the driving convex teeth (23) are fixedly arranged at the bottom of the outer side of the driving shaft (22).
3. The ammonia nitrogen wastewater treatment system of claim 2, characterized in that: the compression dewatering mechanism (4) comprises a compression plate (41) and a plurality of groups of guide assemblies, wherein each guide assembly comprises a guide sleeve (42), an annular sleeve plate (43) and a first spring (44).
4. The ammonia nitrogen wastewater treatment system of claim 3, characterized in that: compression board (41) cup joint set up in drive shaft (22) outside and with drive shaft (22) threaded connection, guide sleeve (42) slide run through set up on compression board (41), the fixed cover of annular lagging (43) connects and sets up in guide sleeve (42) outside top, first spring (44) cup joint and set up in guide sleeve (42) outside top, first spring (44) one end and compression board (41) fixed connection and the other end and annular lagging (43) fixed connection.
5. The ammonia nitrogen wastewater treatment system of claim 4, characterized in that: the trigger type driving mechanism (5) comprises a transmission sleeve (51), a driving gear (52), a positioning sleeve (53), a trigger rod (54) and a second spring (55).
6. The ammonia nitrogen wastewater treatment system of claim 5, which is characterized in that: drive sleeve (51) slip to cup joint and set up in drive shaft (22) outside, drive sleeve (51) inboard is provided with a plurality of transmission grooves, transmission groove and drive dogtooth (23) adaptation, driving gear (52) are fixed to be cup jointed and set up in the drive sleeve (51) outside, location sleeve (53) rotate through the bearing and cup joint and set up in the drive sleeve (51) outside, trigger bar (54) are provided with a plurality ofly, and are a plurality of even fixed the setting in the location sleeve (53) outside trigger bar (54), second spring (55) cup joint and set up in the drive shaft (22) outside, second spring (55) b one end and sediment result washing cylinder (1) inner wall fixed connection and the other end and location sleeve (53) bottom fixed connection.
7. The ammonia nitrogen wastewater treatment system of claim 6, which is characterized in that: the bidirectional disturbance mechanism (6) comprises a threaded sleeve (61), a threaded sleeve (62), an upper disturbance plate (63), an avoidance groove (64), a driven gear (65), a transmission shaft (66) and a lower disturbance plate (67).
8. The ammonia nitrogen wastewater treatment system of claim 7, which is characterized in that: threaded sleeve (61) slide to run through and set up on filter plate (3), threaded sleeve (61) bottom and adjacent trigger bar (54) fixed connection, the fixed cup joint in threaded sleeve (61) outside top is provided with annular bulge, threaded sleeve (62) rotate the nestification through the bearing and set up in filter plate (3) top, threaded sleeve (62) cup joint and set up in the threaded sleeve (61) outside and with threaded sleeve (61) threaded connection, it is provided with a plurality ofly, a plurality of to go up disturbance board (63) evenly fixed the setting in the threaded sleeve (62) outside, it sets up in threaded sleeve (61) side bottom to dodge groove (64), driven gear (65) are located and dodge groove (64) inboard, transmission shaft (66) rotate through the bearing and set up in threaded sleeve (61) and guide sleeve (42) inboard, driven gear (65) are fixed to be set up in transmission shaft (66) bottom, disturbance board (67) are provided with a plurality ofly down disturbance board (67) are evenly fixed the setting in the threaded sleeve (61) outside down.
9. The ammonia nitrogen wastewater treatment method of the ammonia nitrogen wastewater treatment system according to any one of claims 1 to 8, which is characterized by comprising the following steps:
s1, adding wastewater and alkali liquor into a mixed reaction tank, then adding magnesium salt and phosphate solution into the wastewater, stirring and mixing, separating and precipitating, inputting a precipitation product into a precipitation product washing cylinder (1) through a pipeline, conveying a water body into an aerobic contact oxidation tank for treatment, and inputting ammonia gas into an acid liquor absorption tank for recovery;
s2, the sediment product enters the sediment product washing cylinder (1) and is blocked by the filter plate (3) and then stays at the top of the filter plate (3), at the moment, the driving motor (21) drives the driving shaft (22) to rotate clockwise, the driving shaft (22) drives the compression plate (41) to descend when rotating, the sediment product at the top of the filter plate (3) is compacted after the compression plate (41) descends, and then the waste water remained in the sediment product passes through the filter plate (3) and flows to the bottom of the inner cavity of the sediment product washing cylinder (1), and then flows back to the mixing reaction tank through a pipeline;
s3, after the first filtration is finished, enabling the driving motor (21) to drive the driving shaft (22) to rotate anticlockwise, further enabling the compression plate (41) to ascend and reset, at the moment, injecting clear water into the sediment product washing barrel (1) through a pipeline, washing the sediment product after the clear water is washed, and after the water injection is finished, enabling the driving motor (21) to drive the driving shaft (22) to rotate clockwise again, and further enabling the compression plate (41) to descend again;
s4, in the descending process of the compression plate (41), the guide sleeve (42) and the threaded sleeve (61) are driven to synchronously descend, the threaded sleeve (61) drives the threaded sleeve (62) to rotate clockwise on the top of the filter plate (3) when descending, and then the lower disturbance plates (67) are driven to synchronously rotate clockwise, so that the precipitated product and the washing water are disturbed, and the washing efficiency is accelerated;
s5, the threaded sleeve (61) descends to drive the trigger rod (54) to synchronously descend, when the trigger rod (54) descends, the positioning sleeve (53) drives the transmission sleeve (51) to descend, the transmission sleeve (51) slides to the outer side of the driving convex teeth (23) after descending, at the moment, the driving shaft (22) drives the transmission sleeve (51) to synchronously rotate through the driving convex teeth (23) in the rotating process, the transmission sleeve (51) drives the driving gear (52) to synchronously rotate clockwise, then the driving gear (52) drives the driven gear (65) to rotate anticlockwise, the driven gear (65) drives the lower disturbance plates (67) to rotate anticlockwise through the transmission shaft (66), and then the upper disturbance plate (63) is matched to disturb precipitated products and washing water in different directions;
s6, along with the continuous descending of the guide sleeve (42) and the threaded sleeve (61), the annular protruding portion at the top of the outer side of the threaded sleeve (61) is tightly pressed on the top of the threaded sleeve (62), at the moment, the threaded sleeve (62) does not rotate any more, the compression plate (41) and the threaded sleeve (61) cannot continuously descend, at the moment, along with the continuous descending of the compression plate (41), the compression plate (41) stretches the first spring (44), when the descending distance of the compression plate (41) reaches a threshold value, the compression on the precipitation product is completed, washing water flows to the bottom of the inner cavity of the precipitation product washing cylinder (1) through the filter plate (3), and then flows back into the mixing reaction tank through a pipeline;
s7, enabling the driving motor (21) to drive the driving shaft (22) to rotate anticlockwise, enabling the compression plate (41) to reset again, and opening a valve on a precipitation product output pipe on the right side of the precipitation product washing cylinder (1) in the resetting process of the compression plate (41), wherein the extruded precipitation product is continuously pushed to an inlet of the precipitation product output pipe along with continuous rotation of the upper disturbance plates (63) and then is discharged;
s8, allowing the discharged precipitate to enter a drying pyrolyzer for pyrolysis treatment, recycling one half of the pyrolyzed product as liquid medicine to a mixed reaction tank, adding the other half of the pyrolyzed product to an acidolysis tank for acidolysis, recycling the acidolysis product to the mixed reaction tank, and inputting ammonia gas generated in the pyrolysis process to an acid liquid absorption tank for recycling;
and S9, repeating the operation for many times, and adding the magnesium salt and the phosphate solution for continuous treatment when the molar ratio of nitrogen to phosphorus is not 1.0-1.4 and the molar ratio of magnesium to phosphorus is 0.8-1.2.
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