CN116444060B - Phosphogypsum percolate recycling treatment and utilization method - Google Patents
Phosphogypsum percolate recycling treatment and utilization method Download PDFInfo
- Publication number
- CN116444060B CN116444060B CN202310220713.8A CN202310220713A CN116444060B CN 116444060 B CN116444060 B CN 116444060B CN 202310220713 A CN202310220713 A CN 202310220713A CN 116444060 B CN116444060 B CN 116444060B
- Authority
- CN
- China
- Prior art keywords
- tank
- phosphogypsum
- mixing reaction
- percolate
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 45
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 title claims abstract description 38
- 238000004064 recycling Methods 0.000 title claims abstract description 25
- 238000001556 precipitation Methods 0.000 claims abstract description 53
- 238000002156 mixing Methods 0.000 claims abstract description 46
- 238000006243 chemical reaction Methods 0.000 claims abstract description 44
- 238000003756 stirring Methods 0.000 claims abstract description 38
- 239000013049 sediment Substances 0.000 claims abstract description 25
- 238000007599 discharging Methods 0.000 claims abstract description 19
- 238000004062 sedimentation Methods 0.000 claims abstract description 18
- 239000013078 crystal Substances 0.000 claims abstract description 16
- 239000002244 precipitate Substances 0.000 claims abstract description 16
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910001425 magnesium ion Inorganic materials 0.000 claims abstract description 7
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 5
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 5
- 239000004571 lime Substances 0.000 claims abstract description 5
- 150000003839 salts Chemical class 0.000 claims abstract description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims abstract description 4
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052567 struvite Inorganic materials 0.000 claims description 11
- 239000002893 slag Substances 0.000 claims description 10
- 210000001503 joint Anatomy 0.000 claims description 7
- 239000002351 wastewater Substances 0.000 claims description 5
- MXZRMHIULZDAKC-UHFFFAOYSA-L ammonium magnesium phosphate Chemical compound [NH4+].[Mg+2].[O-]P([O-])([O-])=O MXZRMHIULZDAKC-UHFFFAOYSA-L 0.000 claims description 4
- 239000001506 calcium phosphate Substances 0.000 claims description 4
- 229910000389 calcium phosphate Inorganic materials 0.000 claims description 4
- 235000011010 calcium phosphates Nutrition 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 239000010802 sludge Substances 0.000 claims description 4
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052731 fluorine Inorganic materials 0.000 abstract description 8
- 239000011737 fluorine Substances 0.000 abstract description 8
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 8
- 239000011574 phosphorus Substances 0.000 abstract description 8
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 7
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 abstract 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 7
- -1 salt magnesium ammonium phosphate Chemical class 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003541 multi-stage reaction Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000002352 surface water Substances 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
- 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
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
Abstract
The invention provides a phosphogypsum percolate recycling treatment and utilization method, which comprises the following steps: step one, phosphogypsum percolate is injected into a mixing reaction tank; injecting magnesium ion solution from a feed port, and stirring and mixing by a stirring mechanism at the inner side of the mixing reaction tank; thirdly, standing for a period of time, generating crystals in the precipitation tank, and discharging the crystals through the precipitation tank; step four, lime, ferric salt and aluminum salt are added, and sediment is discharged; and fifthly, adjusting the PH value of the solution to remove fluoride precipitates, wherein the phosphogypsum percolate recycling treatment and utilization method adopts a single mixing reaction tank and a single precipitation tank to sequentially carry out sedimentation treatment on phosphorus, fluorine and ammonia nitrogen components, so that the whole process flow is simplified, the equipment cost is greatly reduced, the popularization and the use are convenient, and an auxiliary adjusting component is arranged at the bottom to avoid the problem that a large amount of liquid flows out when the precipitates are discharged.
Description
Technical Field
The invention relates to the technical field of chemical production, in particular to a phosphogypsum percolate resource treatment and utilization method.
Background
Phosphogypsum percolate is acid wastewater containing pollution factors such as phosphorus, fluorine and the like, has extremely complex components, and with the increasing strictness of environmental protection monitoring indexes, the low-cost calcium method treatment technology commonly adopted in the industry cannot meet the requirements. The leachate has high phosphorus, fluorine and ammonia nitrogen contents and low pH, once the leachate is permeated into the ground, a large amount of phosphorus and fluorine resources are wasted, nearby ground water and surface water resources are seriously polluted, and nearby watershed and resident life are seriously influenced, so that phosphogypsum leachate is required to be treated, and recycling is performed to the greatest extent.
In the prior art, during the recycling treatment process of phosphogypsum percolate by a chemical method, phosphorus, fluorine and ammonia nitrogen components in the phosphogypsum percolate are mainly discharged, multistage reaction precipitation equipment is needed in the process, the processing technology is complex, the needed equipment is high in cost and difficult to popularize and use, on the other hand, when pollution factors are precipitated, a large amount of solution can be wrapped and clamped, the problem can lead to difficult precipitation discharge process, and the problem still has higher pollution, and the later drying and dehydration process is more difficult for the recyclable precipitation part due to higher water content.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a phosphogypsum percolate recycling treatment and utilization method so as to solve the problems in the prior art.
In order to achieve the above object, the present invention is realized by the following technical scheme: the phosphogypsum percolate recycling treatment and utilization method is carried out according to the following steps: step one, phosphogypsum percolate is injected into a mixing reaction tank, and a feed inlet is formed in the top of the mixing reaction tank; injecting magnesium ion solution from a feed port, and stirring and mixing by a stirring mechanism at the inner side of the mixing reaction tank; a precipitation tank is arranged at the bottom of the mixing reaction tank, an auxiliary adjusting component is arranged in the precipitation tank, a slag discharging component is arranged between the precipitation tank and the mixing reaction tank, crystals are generated in the precipitation tank after standing for a period of time, and the crystals are discharged through the precipitation tank; step four, lime, ferric salt and aluminum salt are added into the mixing reaction tank to generate precipitation, and sediment is discharged; and fifthly, adjusting the pH value of the solution, removing fluoride precipitates, and finally discharging the wastewater in the mixing reaction tank.
Further, in the third step, magnesium ion solution and phosphogypsum percolate are fully mixed and stirred to generate double salt magnesium ammonium phosphate crystals, the process of discharging double salt magnesium ammonium phosphate crystals is realized through a discharge port at the outer side of the precipitation tank, in the fourth step, calcium phosphate and magnesium ammonium phosphate sludge precipitate is generated, and water filtering treatment is carried out on the precipitate in the collecting process through an auxiliary adjusting component.
Further, the internally mounted of mixing reaction tank has rabbling mechanism, the bottom of mixing reaction tank is provided with the collection passageway, the bottom of collection passageway is linked together with sediment subassembly part, the motor is installed at rabbling mechanism's top.
Further, the output end of the motor is provided with a stirring shaft, the surface of the stirring shaft is provided with a top stirring rod and a bottom stirring rod, and the bottom stirring rod is parallel to the inclined surface part of the collecting channel.
Further, the sediment subassembly includes ration pipeline and viewing aperture, the surface mounting of ration pipeline has top valve and bottom valve, the viewing aperture sets up on the intermediate position of two valves, the bottom of ration pipeline welds as an integer with the top of precipitation tank.
Further, the independent hand wheels are arranged on the top valve and the bottom valve, scale marks are printed on the side edges of the observation openings, and the inside of the mixing reaction tank is communicated with the inside of the settling tank at the bottom through a quantitative pipeline.
Further, the bin outlet has been seted up to the side of settling cask, the bin outlet is whole to be the arc structure, drainage pipe is installed to the bottom of settling cask side, drainage pipe installs the side below at the bin outlet, supplementary adjusting part installs the inside at the settling cask.
Further, supplementary regulation subassembly includes air pump and gasbag, the top at the precipitation tank is installed to the air pump, the output of air pump is connected with the inflation line, the other end and the gasbag of inflation line are connected, the roof is installed at the top of gasbag, the clamp plate is installed to the bottom of gasbag, the centre of roof is provided with the butt joint pipeline, the bottom of clamp plate is connected with the telescopic link.
Further, the bottom of telescopic link is connected with the filter screen, the side of filter screen contacts the laminating with the inner wall of precipitation tank, the inside of ration pipeline is inserted at the top of butt joint pipeline.
Further, limit structure is arranged in the telescopic rod, the filter screen is pressed on the bottom plate of the sedimentation tank after being compressed by downward movement of the telescopic rod, or the filter screen is lifted upwards from the bottom of the sedimentation tank after being stretched by the telescopic rod.
The invention has the beneficial effects that: the invention relates to a phosphogypsum percolate recycling treatment and utilization method which comprises a treatment and utilization method body, wherein the treatment and utilization method body comprises a mixing reaction tank, a supporting rod, a precipitation tank, a discharge port, a drainage pipeline, a slag discharging component, an auxiliary adjusting component, a stirring mechanism, a feed inlet, an air pump, an air inflation pipeline, an air bag, a top plate, a pressing plate, a telescopic rod, a filter screen, a butt joint pipeline, a quantitative pipeline, a motor, a stirring shaft, a top stirring rod, a bottom stirring rod, a collecting channel, an observation port, a top valve, a bottom valve and a hand wheel.
1. The phosphogypsum percolate recycling treatment and utilization method adopts a single mixing reaction tank and a single precipitation tank to sequentially carry out sedimentation treatment on phosphorus, fluorine and ammonia nitrogen components, so that the whole process flow is simplified, a plurality of reaction tank devices are concentrated in a single container, the device cost is greatly reduced, and the popularization and the use are facilitated.
2. According to the phosphogypsum percolate recycling treatment and utilization method, the auxiliary adjusting component is arranged at the bottom, the precipitation space can be adjusted according to the specific put phosphogypsum percolate capacity before treatment, and the sediment in the middle of the auxiliary adjusting component is matched with the sediment discharging component, so that a plurality of sediment can be concentrated into the sediment tank again in the last stage, and the problem that a large amount of liquid flows out when sediment is discharged is avoided.
3. According to the phosphogypsum percolate recycling treatment utilization method, before the recyclable sediment is discharged, all the sediment can be pulled upwards through the auxiliary adjusting component, and residual liquid in the sediment is filtered downwards through the filter screen at the bottom, so that the difficulty of a subsequent dehydration process is reduced, and the overall recycling treatment efficiency is improved.
Drawings
FIG. 1 is a flow chart of a phosphogypsum percolate recycling treatment and utilization method;
FIG. 2 is a schematic structural diagram of a mixing reaction tank part in a phosphogypsum percolate recycling method of the invention;
FIG. 3 is a schematic diagram of the structure of the auxiliary adjusting component part in the phosphogypsum percolate recycling method;
FIG. 4 is a cross-sectional view of a portion of the stirring mechanism in a phosphogypsum percolate recycling method of the present invention;
FIG. 5 is a schematic diagram of the construction of a slag removal assembly in a phosphogypsum percolate recycling method according to the present invention;
in the figure: 1. a mixing reaction tank; 2. a support rod; 3. a precipitation tank; 4. a discharge port; 5. a drainage pipe; 6. a slag discharging component; 7. an auxiliary adjustment assembly; 8. a stirring mechanism; 9. a feed port; 10. an air pump; 11. an inflation pipeline; 12. an air bag; 13. a top plate; 14. a pressing plate; 15. a telescopic rod; 16. a filter screen; 17. docking the pipeline; 18. a dosing tube; 19. a motor; 20. a stirring shaft; 21. a top stirring rod; 22. a bottom stirring rod; 23. a collection channel; 24. an observation port; 25. a top valve; 26. a bottom valve; 27. and a hand wheel.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Referring to fig. 1 to 5, the present invention provides a technical solution: the phosphogypsum percolate recycling treatment and utilization method is carried out according to the following steps: firstly, phosphogypsum percolate is injected into a mixing reaction tank 1, and a feed inlet 9 is formed in the top of the mixing reaction tank 1; step two, injecting magnesium ion solution from a feed port 9, and stirring and mixing through a stirring mechanism 8 at the inner side of the mixing reaction tank 1; step three, a precipitation tank 3 is arranged at the bottom of the mixing reaction tank 1, an auxiliary adjusting component 7 is arranged in the precipitation tank 3, a slag discharging component 6 is arranged between the precipitation tank 3 and the mixing reaction tank 1, crystals are generated in the precipitation tank 3 after standing for a period of time, and the crystals are discharged through the precipitation tank 3; step four, lime, ferric salt and aluminum salt are added into the mixing reaction tank 1 to generate sediment, and sediment is discharged; and fifthly, adjusting the PH value of the solution, removing fluoride precipitates, and finally discharging the wastewater in the mixing reaction tank 1, wherein in the third step, magnesium ion solution and phosphogypsum percolate are fully mixed and stirred to generate double salt magnesium ammonium phosphate crystals, the process of discharging the double salt magnesium ammonium phosphate crystals is realized through a discharge port 4 at the outer side of the precipitation tank 3, in the fourth step, calcium phosphate and magnesium ammonium phosphate sludge precipitates are generated, water filtering treatment is carried out on the precipitates in the collecting process of the precipitates through an auxiliary adjusting component 7, the phosphogypsum liquid recycling treatment and utilization method is to discharge the compound which can be settled after the ammonia nitrogen pollution factors in the phosphogypsum percolate are subjected to chemical reaction by adopting a chemical method, then the generated double salt magnesium ammonium phosphate crystals are discharged after the phosphorus and fluorine pollution factors are reacted in the same form, wherein the generated calcium phosphate and magnesium ammonium phosphate sludge precipitates are subsequently recovered, and then are filtered, dried and dehydrated, and finally the generated wastewater can be recycled, so that the pollution to the environment is avoided.
According to the embodiment, the stirring mechanism 8 is arranged in the mixing reaction tank 1, the collecting channel 23 is arranged at the bottom end of the mixing reaction tank 1, the bottom end of the collecting channel 23 is communicated with the slag discharging component 6, the motor 19 is arranged at the top of the stirring mechanism 8, the stirring shaft 20 is arranged at the output end of the motor 19, the top stirring rod 21 and the bottom stirring rod 22 are arranged on the surface of the stirring shaft 20, the bottom stirring rod 22 is parallel to the inclined surface of the collecting channel 23, the single mixing reaction tank 1 and the precipitation tank 3 are adopted for carrying out sequential sedimentation treatment on phosphorus, fluorine and ammonia nitrogen components, so that the whole process flow is simplified, a plurality of reaction tank devices are concentrated in a single container, the equipment cost is greatly reduced, the popularization and the use are facilitated, and in particular, after the crystal generated by the ammonia nitrogen pollution factor is discharged through the process of injecting the phosphogypsum percolate into the inside of the mixing reaction tank 1 from the feeding port 9 at the top, the subsequent lime, ferric salt, the PH value and the like can be injected, the automatic precipitation factor can be generated through the automatic precipitation tank 3, and the PH value can be completely adjusted by means of the automatic precipitation device, and the various phosphate pollution factors can be completely removed by the automatic precipitation device.
In this embodiment, the slag discharging component 6 includes a quantitative pipeline 18 and an observation port 24, a top valve 25 and a bottom valve 26 are installed on the surface of the quantitative pipeline 18, the observation port 24 is disposed at the middle position of the two valves, the bottom end of the quantitative pipeline 18 is welded with the top of the precipitation tank 3 into a whole, independent handwheels 27 are installed on the top valve 25 and the bottom valve 26, scale marks are engraved on the side edges of the observation port 24, the interior of the mixing reaction tank 1 is communicated with the interior of the precipitation tank 3 at the bottom through the quantitative pipeline 18, a discharge port 4 is formed on the side edge of the precipitation tank 3, the discharge port 4 is integrally in an arc structure, a drainage pipeline 5 is installed on the bottom of the side edge of the precipitation tank 3, the drainage pipeline 5 is installed below the side edge of the discharge port 4, an auxiliary regulating component 7 is installed inside the precipitation tank 3, an auxiliary regulating component 7 is arranged at the bottom, the method can adjust the precipitation space according to the specific volume of phosphogypsum percolate put in before treatment, and the sediment assembly 6 in the middle can concentrate a plurality of sediments into the precipitation tank 3 again at the final stage to avoid the problem of a large amount of liquid flowing out when discharging the sediments, specifically, when crystallizing or precipitating pollution factors, the volume of the air bag 12 is adjusted according to the specific put-in amount to ensure that the accommodating space in the precipitation tank 3 is smaller than the expected sedimentation volume, the sediment is filled in the whole precipitation tank 3 after the final reaction and overflows into the sediment assembly 6, at the moment, the air pump 10 is controlled to shrink the air bag 12 at the same time to increase the space size in the precipitation tank 3 until the sediment in the quantitative pipeline 18 is discharged, the sediment can be completely dropped into the precipitation tank 3 by using two valves to more accurately control the sediment, when the top of the sediment is positioned at the bottom of the observation port 24, the top valve 25 and the bottom valve 26 are closed at the same time, then the sediment in the sedimentation tank 3 is taken out, the bottom valve 26 is opened again, the solution in the quantitative pipeline 18 is discharged, and then the top valve 25 can be opened for the subsequent sedimentation process.
In this embodiment, supplementary adjusting part 7 includes air pump 10 and gasbag 12, the top at precipitation tank 3 is installed to air pump 10, the output of air pump 10 is connected with inflation line 11, inflation line 11's the other end is connected with gasbag 12, roof 13 is installed at the top of gasbag 12, clamp plate 14 is installed to the bottom of gasbag 12, the centre of roof 13 is provided with butt joint pipeline 17, the bottom of clamp plate 14 is connected with telescopic link 15, the bottom of telescopic link 15 is connected with filter screen 16, the side of filter screen 16 contacts the laminating with the inner wall of precipitation tank 3, the inside of quantitative pipeline 18 is inserted at the top of butt joint pipeline 17, the inside of telescopic link 15 is provided with limit structure, filter screen 16 is pressed on the bottom plate of precipitation tank 3 after the downward movement compression of telescopic link 15, or filter screen 16 upwards rises from the bottom of precipitation tank 3 after the stretching of telescopic link 15, before discharging recoverable precipitate, can upwards pull whole precipitate through supplementary adjusting part 7, utilize the bottom 16 to filter out the liquid in the precipitate, thereby reduce the liquid drain pipe 16, the drain pipe 10 is followed by the drainage pipe is drawn down to the filter screen 16, the inside is realized to the filter screen 16, the drain pipe is realized to the drain pipe 10, the drain pipe is realized and the drain pipe is realized to the drain pipe is completely, the drain pipe is completely drained from the drain pipe is difficult, the drain pipe is removed from the drain pipe is in the drain pipe 1.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. The phosphogypsum percolate recycling treatment and utilization method is characterized by comprising the following steps of: step one, phosphogypsum percolate is injected into a mixing reaction tank (1), and a feed inlet (9) is formed in the top of the mixing reaction tank (1); injecting magnesium ion solution from a feed port (9), and stirring and mixing through a stirring mechanism (8) at the inner side of the mixing reaction tank (1); a precipitation tank (3) is arranged at the bottom of the mixing reaction tank (1), an auxiliary adjusting component (7) is arranged in the precipitation tank (3), a slag discharging component (6) is arranged between the precipitation tank (3) and the mixing reaction tank (1), crystals are generated in the precipitation tank (3) after standing for a period of time, and the crystals are discharged through the precipitation tank (3); step four, lime, ferric salt and aluminum salt are added into the mixing reaction tank (1) to generate precipitation, and sediment is discharged; step five, adjusting the PH value of the solution, removing fluoride precipitates, and finally discharging the wastewater in the mixing reaction tank (1);
in the third step, magnesium ion solution and phosphogypsum percolate are fully mixed and stirred to generate double-salt magnesium ammonium phosphate crystals, the process of discharging the double-salt magnesium ammonium phosphate crystals is realized through a discharge port (4) at the outer side of a precipitation tank (3), in the fourth step, calcium phosphate and magnesium ammonium phosphate sludge precipitates are generated, and water filtering treatment is carried out on the precipitates in the collecting process through an auxiliary adjusting component (7);
the mixing reaction kettle is characterized in that a stirring mechanism (8) is arranged in the mixing reaction kettle (1), a collecting channel (23) is arranged at the bottom end of the mixing reaction kettle (1), the bottom end of the collecting channel (23) is communicated with a slag discharging component (6), and a motor (19) is arranged at the top of the stirring mechanism (8);
the slag discharging assembly (6) comprises a quantitative pipeline (18) and an observation port (24), a top valve (25) and a bottom valve (26) are arranged on the surface of the quantitative pipeline (18), the observation port (24) is arranged at the middle position of the two valves, and the bottom end of the quantitative pipeline (18) and the top of the sedimentation tank (3) are welded into a whole;
the side of the sedimentation tank (3) is provided with a discharge hole (4), the whole discharge hole (4) is of an arc structure, the bottom of the side of the sedimentation tank (3) is provided with a drainage pipeline (5), the drainage pipeline (5) is arranged below the side of the discharge hole (4), the auxiliary adjusting component (7) is arranged inside the sedimentation tank (3), and the top of the sedimentation tank (3) is fixedly connected with the bottom of the mixing reaction tank (1) through a supporting rod (2);
the auxiliary adjusting assembly (7) comprises an air pump (10) and an air bag (12), the air pump (10) is arranged at the top of the sedimentation tank (3), the output end of the air pump (10) is connected with an air inflation pipeline (11), the other end of the air inflation pipeline (11) is connected with the air bag (12), a top plate (13) is arranged at the top of the air bag (12), a pressing plate (14) is arranged at the bottom end of the air bag (12), a butt joint pipeline (17) is arranged in the middle of the top plate (13), and the bottom end of the pressing plate (14) is connected with a telescopic rod (15).
2. The phosphogypsum percolate recycling treatment and utilization method according to claim 1, which is characterized by comprising the following steps: the output end of the motor (19) is provided with a stirring shaft (20), the surface of the stirring shaft (20) is provided with a top stirring rod (21) and a bottom stirring rod (22), and the bottom stirring rod (22) is parallel to the inclined surface part of the collecting channel (23).
3. The phosphogypsum percolate recycling treatment and utilization method according to claim 1, which is characterized by comprising the following steps: the automatic mixing and stirring device is characterized in that independent handwheels (27) are respectively arranged on the top valve (25) and the bottom valve (26), scale marks are printed on the side edges of the observation openings (24), and the inside of the mixing and stirring tank (1) is communicated with the inside of the sedimentation tank (3) at the bottom through a quantitative pipeline (18).
4. The phosphogypsum percolate recycling treatment and utilization method according to claim 1, which is characterized by comprising the following steps: the bottom of telescopic link (15) is connected with filter screen (16), the side of filter screen (16) contacts laminating with the inner wall of sedimentation tank (3), the inside of ration pipeline (18) is inserted at the top of butt joint pipeline (17).
5. The phosphogypsum percolate recycling treatment and utilization method according to claim 4, which is characterized by comprising the following steps: the inside of telescopic link (15) is provided with limit structure, filter screen (16) are pressed on the bottom plate of sedimentation tank (3) after compressing through the downmovement of telescopic link (15), or filter screen (16) are upwards lifted from the bottom of sedimentation tank (3) after stretching of telescopic link (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310220713.8A CN116444060B (en) | 2023-03-09 | 2023-03-09 | Phosphogypsum percolate recycling treatment and utilization method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310220713.8A CN116444060B (en) | 2023-03-09 | 2023-03-09 | Phosphogypsum percolate recycling treatment and utilization method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116444060A CN116444060A (en) | 2023-07-18 |
| CN116444060B true CN116444060B (en) | 2024-03-19 |
Family
ID=87121040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310220713.8A Active CN116444060B (en) | 2023-03-09 | 2023-03-09 | Phosphogypsum percolate recycling treatment and utilization method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116444060B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107673536A (en) * | 2017-11-10 | 2018-02-09 | 徐得强 | A kind of safe and efficient sanitary sewage environment protection treating device |
| CN108862748A (en) * | 2018-06-06 | 2018-11-23 | 宁波暄妍日化科技有限公司 | A kind of municipal sewage environment protection treating device |
| CN209974332U (en) * | 2019-04-01 | 2020-01-21 | 泉州市百川环保工程有限公司 | Be applied to equipment that landfill leachate membrane system concentrate was handled |
| CN111392839A (en) * | 2020-05-17 | 2020-07-10 | 河南建卓环保科技有限公司 | MAP fluidized bed for removing ammonia nitrogen and phosphate |
| CN111763103A (en) * | 2020-06-01 | 2020-10-13 | 东方电气集团东方锅炉股份有限公司 | Process for preparing calcium magnesium ammonium phosphate from desulfurization wastewater, landfill leachate and phosphorus-containing wastewater |
| CN111777235A (en) * | 2020-08-10 | 2020-10-16 | 南京九胜揽天科技有限公司 | Landfill leachate membrane filtration concentrated solution treatment facility |
| CN212102973U (en) * | 2019-12-31 | 2020-12-08 | 中稀(常州)稀土新材料有限公司 | Buoyancy type siphon device for supernatant of light soda ash precipitate |
| CN212687819U (en) * | 2020-03-16 | 2021-03-12 | 陈小娟 | Municipal sewage safety treatment equipment |
| CN213446596U (en) * | 2020-10-13 | 2021-06-15 | 湖北美辰环保股份有限公司 | Calcium method is handled high phosphorus and is contained nitrogen industrial waste water system |
| CN113121035A (en) * | 2020-12-13 | 2021-07-16 | 中南民族大学 | Treatment device and treatment method for recycling phosphogypsum leachate |
| CN113213667A (en) * | 2021-06-02 | 2021-08-06 | 广东雅迪环保设备有限公司 | Leachate treatment equipment and use method thereof |
| CN113321348A (en) * | 2021-06-30 | 2021-08-31 | 福建龙源环境工程技术有限公司 | Device for treating high-total-nitrogen wastewater through magnesium ammonium phosphate cyclic crystallization |
| CN113336356A (en) * | 2021-05-08 | 2021-09-03 | 武汉工程大学 | Phosphogypsum leachate recycling treatment and utilization method |
| CN113694582A (en) * | 2021-08-31 | 2021-11-26 | 绍兴拓邦电子科技有限公司 | Crystal silicon surface texturing additive and production preparation system thereof |
| CN214936745U (en) * | 2021-02-02 | 2021-11-30 | 阳江市联邦金属化工有限公司 | Device for treating cobalt-nickel-containing high-salinity wastewater by combining MVR |
-
2023
- 2023-03-09 CN CN202310220713.8A patent/CN116444060B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107673536A (en) * | 2017-11-10 | 2018-02-09 | 徐得强 | A kind of safe and efficient sanitary sewage environment protection treating device |
| CN108862748A (en) * | 2018-06-06 | 2018-11-23 | 宁波暄妍日化科技有限公司 | A kind of municipal sewage environment protection treating device |
| CN209974332U (en) * | 2019-04-01 | 2020-01-21 | 泉州市百川环保工程有限公司 | Be applied to equipment that landfill leachate membrane system concentrate was handled |
| CN212102973U (en) * | 2019-12-31 | 2020-12-08 | 中稀(常州)稀土新材料有限公司 | Buoyancy type siphon device for supernatant of light soda ash precipitate |
| CN212687819U (en) * | 2020-03-16 | 2021-03-12 | 陈小娟 | Municipal sewage safety treatment equipment |
| CN111392839A (en) * | 2020-05-17 | 2020-07-10 | 河南建卓环保科技有限公司 | MAP fluidized bed for removing ammonia nitrogen and phosphate |
| CN111763103A (en) * | 2020-06-01 | 2020-10-13 | 东方电气集团东方锅炉股份有限公司 | Process for preparing calcium magnesium ammonium phosphate from desulfurization wastewater, landfill leachate and phosphorus-containing wastewater |
| CN111777235A (en) * | 2020-08-10 | 2020-10-16 | 南京九胜揽天科技有限公司 | Landfill leachate membrane filtration concentrated solution treatment facility |
| CN213446596U (en) * | 2020-10-13 | 2021-06-15 | 湖北美辰环保股份有限公司 | Calcium method is handled high phosphorus and is contained nitrogen industrial waste water system |
| CN113121035A (en) * | 2020-12-13 | 2021-07-16 | 中南民族大学 | Treatment device and treatment method for recycling phosphogypsum leachate |
| CN214936745U (en) * | 2021-02-02 | 2021-11-30 | 阳江市联邦金属化工有限公司 | Device for treating cobalt-nickel-containing high-salinity wastewater by combining MVR |
| CN113336356A (en) * | 2021-05-08 | 2021-09-03 | 武汉工程大学 | Phosphogypsum leachate recycling treatment and utilization method |
| CN113213667A (en) * | 2021-06-02 | 2021-08-06 | 广东雅迪环保设备有限公司 | Leachate treatment equipment and use method thereof |
| CN113321348A (en) * | 2021-06-30 | 2021-08-31 | 福建龙源环境工程技术有限公司 | Device for treating high-total-nitrogen wastewater through magnesium ammonium phosphate cyclic crystallization |
| CN113694582A (en) * | 2021-08-31 | 2021-11-26 | 绍兴拓邦电子科技有限公司 | Crystal silicon surface texturing additive and production preparation system thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116444060A (en) | 2023-07-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105000713B (en) | A kind of desulfurization wastewater treatment system and method | |
| CN102372377B (en) | Method for advanced treatment of mercury-containing wastewater | |
| CN103304078A (en) | Laboratory wastewater treatment process equipment and wastewater treatment method using same | |
| CN104045201A (en) | Sewage emergency treatment system | |
| RU2020119868A (en) | ANAEROBIC CYCLIC REACTOR WITH SIMULTANEOUS FUNCTIONING PHASES | |
| KR100921688B1 (en) | Method for acidic wasten in iron industry | |
| CN116444060B (en) | Phosphogypsum percolate recycling treatment and utilization method | |
| CN204981513U (en) | Treatment unit for pesticide -containing wastewater | |
| CN203373221U (en) | Laboratory wastewater treatment process equipment | |
| CN103193370A (en) | Phosphorus recovery device for excess sludge | |
| CN111875211A (en) | Muddy water concentration and separation device and separation method | |
| CN206970432U (en) | A kind of online abatement system of sludge | |
| CN105753147A (en) | Controllable double-circulation anaerobic reactor and application | |
| CN214571234U (en) | Modularization multistage zone mineralization metallurgical system | |
| CN114988624A (en) | Method for treating leachate of refuse landfill | |
| CN108929005A (en) | Greasy filth purifying water process technique and its device | |
| CN113788588A (en) | Sludge reduction system and sewage treatment method | |
| CN203959985U (en) | Sewage emergent treatment system | |
| CN110937650A (en) | Heavy metal elution waste liquid adsorption equipment and elution waste liquid cyclic utilization system | |
| CN208814823U (en) | A kind of Intellectual water treatment system recycled suitable for magnetic water treatment agent | |
| CN202072565U (en) | Module type heavy metal waste water efficient treatment device | |
| CN204824450U (en) | Desulfurization effluent disposal system | |
| CN217516789U (en) | Vacuum dehydration device with waste water recovery structure for garnet | |
| CN209456532U (en) | A kind of lean liquid tank liquid-discharging means of bottle | |
| CN111153526A (en) | Garbage transfer station leachate wastewater pretreatment integrated equipment and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |