CN117509991B - Multistage purification treatment device for water body treated by heavy metals - Google Patents
Multistage purification treatment device for water body treated by heavy metals Download PDFInfo
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- CN117509991B CN117509991B CN202311823615.XA CN202311823615A CN117509991B CN 117509991 B CN117509991 B CN 117509991B CN 202311823615 A CN202311823615 A CN 202311823615A CN 117509991 B CN117509991 B CN 117509991B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 31
- 238000000746 purification Methods 0.000 title claims abstract description 18
- 238000001179 sorption measurement Methods 0.000 claims abstract description 116
- 238000006243 chemical reaction Methods 0.000 claims abstract description 45
- 238000003756 stirring Methods 0.000 claims abstract description 35
- 239000002893 slag Substances 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 55
- 238000002347 injection Methods 0.000 claims description 28
- 239000007924 injection Substances 0.000 claims description 28
- 238000009826 distribution Methods 0.000 claims description 20
- 238000003860 storage Methods 0.000 claims description 17
- 239000002245 particle Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000010865 sewage Substances 0.000 abstract description 56
- 238000006386 neutralization reaction Methods 0.000 abstract description 17
- 150000002500 ions Chemical class 0.000 abstract description 11
- 238000001556 precipitation Methods 0.000 abstract description 7
- 238000002156 mixing Methods 0.000 abstract description 6
- 239000003814 drug Substances 0.000 description 28
- 238000000034 method Methods 0.000 description 13
- 229910021645 metal ion Inorganic materials 0.000 description 12
- 239000012535 impurity Substances 0.000 description 10
- 239000002351 wastewater Substances 0.000 description 9
- 230000000903 blocking effect Effects 0.000 description 6
- 230000005484 gravity Effects 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 239000013049 sediment Substances 0.000 description 4
- 230000003472 neutralizing effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 240000006909 Tilia x europaea Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 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
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- 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
- C02F2101/20—Heavy metals or heavy metal compounds
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)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a water body multistage purification treatment device for heavy metal treatment, which comprises a base, a reaction tank, an adsorption tank, a water purifying tank, a stirring device, a dosing device and an adsorption device, wherein the reaction tank is fixedly connected with the base, the adsorption tank is fixedly connected with the base, the water purifying tank is fixedly connected with the base, the stirring device is fixedly connected with the reaction tank, the dosing device is communicated with the stirring device, the adsorption device is fixedly connected with the adsorption tank, the adsorption device is positioned in the adsorption tank, the water purifying tank is communicated with the adsorption tank, a water inlet is arranged at one side of the reaction tank, a slag discharging port is arranged at the bottom end of the adsorption tank, sewage flows into the reaction tank through the water inlet for treatment, the reaction tank is used for providing a reaction environment for neutralization treatment of heavy metal sewage, the dosing device is used for adding a neutralization precipitant into the reaction tank, so that heavy metal ions in the sewage are precipitated, and the stirring device is used for mixing the neutralization precipitant and the sewage to accelerate the precipitation of the heavy metal ions.
Description
Technical Field
The invention relates to the technical field of sewage purification, in particular to a water body multistage purification treatment device for heavy metal treatment.
Background
The heavy metal wastewater refers to wastewater containing heavy metals discharged in industrial production processes of mining and metallurgy, mechanical manufacturing, chemical industry, electronics, instruments and the like. Heavy metal (such as cadmium, nickel, mercury, zinc and the like) wastewater is one of the industrial wastewater with the most serious environmental pollution and the greatest harm to human beings, and the heavy metal ion content in the wastewater is related to the production process. Heavy metals in wastewater cannot be decomposed and destroyed generally, and can only be removed by transferring the existing positions or changing the physical and chemical forms of the heavy metals. The treatment method usually adopts a chemical precipitation method, an ion exchange method and the like for treatment, and the heavy metals in the treated water can be discharged or recycled below the discharge standard. The novel heavy metal concentrated product is formed and recycled or subjected to innocent treatment as much as possible.
For metal ion pollutants such as copper, zinc, cadmium, lead, chromium, iron, nickel and the like, common lime milk is generally used as a neutralization precipitant, the cost is low, and most of metal ions become hydroxide precipitates when the pH value of sewage is regulated to be more than 7, so that preliminary separation is obtained. The limitation of this method is that some metal ions will remain in the water after the general treatment, and the emission standard is not met, and the water needs to be treated later.
Therefore, there is a need for a treatment apparatus capable of multi-stage purification to remove heavy metals from sewage so that the sewage reaches the discharge standard.
Disclosure of Invention
The invention aims to provide a water body multistage purification treatment device for heavy metal treatment, which aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the purifying treatment device comprises a base, a reaction tank, an adsorption tank, a water purifying tank, a stirring device, a dosing device and an adsorption device, wherein the reaction tank is fixedly connected with the base, the adsorption tank is fixedly connected with the base, the water purifying tank is fixedly connected with the base, the stirring device is fixedly connected with the reaction tank, the dosing device is communicated with the stirring device, the adsorption device is fixedly connected with the adsorption tank, the adsorption device is positioned in the adsorption tank, the water purifying tank is communicated with the adsorption tank, a water inlet is formed in one side of the reaction tank, and a slag discharging port is formed in the bottom end of the adsorption tank.
The base provides the installation basis for each device, guarantee that the device in the sewage treatment process is stable, sewage flows into the retort through the water inlet and handles, the retort is used for providing the reaction environment for heavy metal sewage neutralization treatment, dosing unit is used for adding neutralization precipitant towards the retort in, make heavy metal ion in the sewage deposit, agitating unit is used for mixing neutralization precipitant and sewage, accelerate heavy metal ion's deposit, the adsorption tank adsorbs the precipitate in the sewage after neutralization deposit through the adsorption device who is located the jar, and the heavy metal ion who is not completely handled, the precipitate in the sewage can pass through the sediment discharge outlet and discharge, the adsorption tank cooperates with the retort, multistage purification sewage guarantees that the heavy metal ion content in the sewage after handling reaches emission standard, the water purification tank is used for collecting the waste water after the storage treatment, so that waste water's reuse.
Further, agitating unit includes guard shield, driving motor, mount, rotating assembly, guard shield and retort fastening connection, driving motor and retort fastening connection, mount and retort fastening connection, driving motor and mount are located the guard shield, rotating assembly and mount rotate to be connected, rotating assembly and driving motor's output shaft transmission are connected.
The guard shield is used for protecting agitating unit, also can protect the staff, prevents that personnel from touching pivoted part by mistake, and driving motor is agitating unit's power supply, and the mount is fixed agitating unit's top at the retort, provides stable support, and rotating assembly is used for evenly mixing sewage in the retort with neutralization precipitant, accelerates metal ion's sediment, and driving motor starts, and then drives rotating assembly and rotate, stirs and mixes.
Further, the rotating assembly comprises a rotating gear, a first bevel gear, a second bevel gear, a first rotating shaft, a second rotating shaft and stirring blades, the rotating gear is rotationally connected with the fixing frame, the rotating gear is in transmission connection with an output shaft of the driving motor, the first bevel gear is rotationally connected with the fixing frame, the first bevel gear is meshed with the rotating gear, the first rotating shaft is in transmission connection with the first bevel gear, the second bevel gear is oppositely arranged with the first bevel gear, the second bevel gear is rotationally connected with the fixing frame, the second bevel gear is meshed with the rotating gear, the second bevel gear is in transmission connection with the second rotating shaft, the first rotating shaft is rotationally connected with the second rotating shaft, and the stirring blades are in fastening connection with the first rotating shaft and the second rotating shaft.
The power of driving motor is transmitted through rotating the gear to the rotating assembly, through setting up first bevel gear and second bevel gear symmetry on the upper and lower side of rotating the gear, after rotating the gear rotation like this, because the rotation direction at radial both ends is opposite when rotating the gear rotation, the first bevel gear and the second bevel gear rotation direction of meshing at rotating the gear both ends can be opposite like this, be hollow in the second pivot, consequently, first pivot can insert the free rotation in the second pivot, the rotation direction of first pivot and the second pivot of being connected with first bevel gear and second bevel gear respectively can also be opposite like this, the rethread is fixed stirring leaf respectively in first pivot and second pivot, the rotation direction of two sets of stirring leaf will be opposite like this, and stirring leaf counter-rotating can realize that liquid flows the collision each other in the jar, sewage and neutralization precipitant in the reaction jar mix with higher speed, improve precipitation efficiency.
Further, be equipped with annotate the liquid runner in the first pivot, annotate liquid runner and charge device intercommunication, annotate the export of liquid runner and face in the retort, annotate the export of liquid runner and be provided with a plurality of.
Because the first rotating shaft is directly inserted into the sewage in the reaction tank, the injection flow channel communicated with the dosing device is arranged in the first rotating shaft, so that the medicine to be added can be directly discharged into the sewage to be treated through the outlet of the injection flow channel, and the injection efficiency of the medicine is improved.
Further, the dosing device comprises a liquid storage tank, a dosing pump and a flow distribution disc, wherein the liquid storage tank is fixedly connected with the reaction tank, the dosing pump is positioned in the liquid storage tank, a liquid outlet of the dosing pump is communicated with the flow distribution disc, the flow distribution disc is sleeved on the first rotating shaft, the flow distribution disc is rotationally connected with the first rotating shaft, the flow distribution disc is fixedly connected with the fixing frame, and the flow distribution disc is communicated with the liquid injection flow channel.
The liquid storage tank is used for storing the medicament to be added, the medicament to be added is pumped out of the liquid storage tank through the dosing pump and pumped into the flow distribution disc, the medicament is injected into the liquid injection flow channel through the flow distribution disc, the fixing frame provides support for the flow distribution disc, and therefore the flow distribution disc can be kept relatively static when the first rotating shaft rotates, and a stable channel is provided for injection of the medicament.
Further, the flow distribution disc comprises a disc body, a sealing ring and an annular flow channel, the disc body is fixedly connected with the fixing frame, the sealing ring is connected with the disc body in a clamping mode, the sealing ring is abutted to the first rotating shaft, the annular flow channel is communicated with a liquid outlet of the dosing pump, and the annular flow channel is communicated with the liquid injection flow channel.
The disk body passes through mount fixed position, establishes the sealing washer through the cover at annular runner both ends, like this in the annular runner with the medicine pump with the medicament pump in, can guarantee the leakproofness between disk body and the first pivot, prevent that the medicament from revealing, annular runner can further pour into the medicament into the notes liquid runner in.
Further, adsorption equipment includes water pump, adsorption unit, and the inlet end and the retort intercommunication of water pump, the play water end and the adsorption tank intercommunication of water pump, adsorption unit have arranged a plurality of layers in the adsorption tank, and the particle diameter of a plurality of adsorption units reduces from supreme in proper order down.
The water pump is used for pumping the sewage which is subjected to reaction tank neutralization precipitation into the adsorption tank, further adsorbing residual metal ions, enabling the sewage to enter from the lower end of the adsorption tank, enabling the sewage to sequentially pass through the adsorption units with gradually reduced particle sizes, adsorbing the sewage through the adsorption units, gradually diffusing the adsorption units because water flows from bottom to top, in the process, most of impurities such as solid particles can be precipitated at the bottom end of the adsorption tank due to the blocking and gravity reasons of the adsorption units, and then the impurities such as the solid particles can be subjected to multistage adsorption through the adsorption units, most of metal ions in the sewage can be removed, the adsorption units can be made of materials such as activated carbon, and clean water subjected to adsorption treatment is gathered at the upper end of the adsorption tank.
Further, a slag collecting cavity and an overflow cavity are arranged in the adsorption tank, the slag collecting cavity is communicated with the slag discharging port, and the overflow cavity is communicated with the water purifying tank.
The slag collecting cavity and the slag discharging port are both positioned at the lower end of the adsorption tank, most of impurities can be precipitated in the slag collecting cavity at the bottom end of the adsorption tank under the action of the blocking and gravity of the adsorption unit, the impurities can be directly discharged through the slag discharging port, the operation is convenient and quick, and the treated clean water is gathered in the overflow cavity and can be directly discharged into the water purifying tank for collection.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the first bevel gear and the second bevel gear are symmetrically arranged on the upper side and the lower side of the rotating gear, so that after the rotating gear rotates, the rotating directions of the radial two ends of the rotating gear are opposite when the rotating gear rotates, the rotating directions of the first bevel gear and the second bevel gear meshed with the two ends of the rotating gear are opposite, the rotating directions of the first rotating shaft and the second rotating shaft respectively connected with the first bevel gear and the second bevel gear are opposite, the rotating directions of the two groups of stirring blades are opposite, the stirring blades rotate oppositely, the mutual flowing collision of liquid in the tank body can be realized, the mixing of sewage and a neutralizing precipitant in the reaction tank can be accelerated, and the precipitation efficiency is improved.
Through seting up the notes liquid runner in first pivot, establish the flow distribution plate cover in first pivot again, in the annular runner in the flow distribution plate pours into the notes liquid runner into the medicament, can be directly with the medicament that needs to add in the export of annotating the liquid runner discharges the sewage that needs to handle into, improve the injection efficiency of medicament.
Through getting into sewage from the lower extreme of adsorption tank, sewage can pass through the adsorption unit that the particle diameter reduces gradually like this, adsorb through the adsorption unit, because rivers are from bottom to top, the adsorption unit that roams gradually, in this process, because the reason of adsorption unit's the blocking and gravity, impurity such as most solid particles all can deposit in the bottom of adsorption tank, the multistage adsorption of adsorption unit again, metal ion in the sewage can get rid of most, and impurity all can deposit the collection sediment chamber in the adsorption tank bottom, can directly get rid of through the sediment mouth, convenient and fast.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic general construction of the present invention;
FIG. 2 is a schematic view of the stirring device of the present invention;
FIG. 3 is a partial A-direction enlargement of FIG. 2;
FIG. 4 is a schematic view of a rotating assembly of the present invention;
FIG. 5 is a cross-sectional view of a rotating assembly of the present invention;
FIG. 6 is a partial B-direction enlargement of FIG. 5;
FIG. 7 is an enlarged view of part C of FIG. 5;
FIG. 8 is a schematic view of the structure of the adsorption apparatus of the present invention;
FIG. 9 is a schematic view of a diverter tray in accordance with the present invention;
In the figure: 1-base, 2-retort, 21-water inlet, 3-adsorption tank, 31-slag discharge mouth, 32-slag collecting cavity, 33-overflow cavity, 4-clean water tank, 5-agitating unit, 51-guard shield, 52-driving motor, 53-mount, 54-rotating component, 541-rotating gear, 542-first bevel gear, 543-second bevel gear, 544-first pivot, 5441-liquid injection runner, 545-second pivot, 546-stirring leaf, 6-dosing unit, 61-liquid storage tank, 62-dosing pump, 63-split disk, 631-disk, 632-sealing ring, 633-annular runner, 7-adsorption unit, 71-water pump, 72-adsorption unit.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides the technical scheme that:
As shown in fig. 1, the purification treatment device comprises a base 1, a reaction tank 2, an adsorption tank 3, a water purification tank 4, a stirring device 5, a dosing device 6 and an adsorption device 7, wherein the reaction tank 2 is fixedly connected with the base 1, the adsorption tank 3 is fixedly connected with the base 1, the water purification tank 4 is fixedly connected with the base 1, the stirring device 5 is fixedly connected with the reaction tank 2, the dosing device 6 is communicated with the stirring device 5, the adsorption device 7 is fixedly connected with the adsorption tank 3, the adsorption device 7 is positioned in the adsorption tank 3, the water purification tank 4 is communicated with the adsorption tank 3, a water inlet 21 is formed in one side of the reaction tank 2, and a slag discharge port 31 is formed in the bottom end of the adsorption tank 3.
The base 1 provides the installation basis for each device, guarantee the device stability in the sewage treatment process, sewage flows into the retort 2 through water inlet 21 and handles, retort 2 is used for providing reaction environment for heavy metal sewage neutralization treatment, dosing unit 6 is used for adding neutralization precipitant towards retort 2 in, make heavy metal ion in the sewage deposit, agitating unit 5 is used for mixing neutralization precipitant and sewage, accelerate heavy metal ion's deposit, adsorption tank 3 adsorbs the precipitate in the sewage after the neutralization deposit through the adsorption device 7 that is located the jar, and the heavy metal ion who has not been fully handled, the precipitate in the sewage accessible row cinder notch 31 discharges, adsorption tank 3 cooperates with retort 2, multistage purification sewage, guarantee that the heavy metal ion content in the sewage after handling reaches the emission standard, water purification tank 4 is used for collecting the waste water after the storage is handled, so that waste water reutilization.
As shown in fig. 2 and 3, the stirring device 5 includes a shield 51, a driving motor 52, a fixing frame 53, and a rotating assembly 54, the shield 51 is fastened to the reaction tank 2, the driving motor 52 is fastened to the reaction tank 2, the fixing frame 53 is fastened to the reaction tank 2, the driving motor 52 and the fixing frame 53 are located in the shield 51, the rotating assembly 54 is rotatably connected to the fixing frame 53, and the rotating assembly 54 is in transmission connection with an output shaft of the driving motor 52.
The guard shield 51 is used for protecting agitating unit 5, also can protect the staff, prevents personnel's mistake and touches pivoted part, and driving motor 52 is agitating unit 5's power supply, and mount 53 is fixed agitating unit 5 on the top of retort 2, provides stable support, and rotating assembly 54 is used for evenly mixing sewage in the retort 2 with neutralization precipitant, accelerates the precipitation of metal ion, and driving motor 52 starts, and then drives rotating assembly 54 and rotate, stirs the mixture.
As shown in fig. 3 and 4, the rotating assembly 54 includes a rotating gear 541, a first bevel gear 542, a second bevel gear 543, a first rotating shaft 544, a second rotating shaft 545, and a stirring blade 546, the rotating gear 541 is rotationally connected to the fixed frame 53, the rotating gear 541 is drivingly connected to an output shaft of the driving motor 52, the first bevel gear 542 is rotationally connected to the fixed frame 53, the first bevel gear 542 is meshed with the rotating gear 541, the first rotating shaft 544 is drivingly connected to the first bevel gear 542, the second bevel gear 543 is disposed opposite to the first bevel gear 542, the second bevel gear 543 is rotationally connected to the fixed frame 53, the second bevel gear 543 is meshed with the rotating gear 541, the second bevel gear 543 is drivingly connected to the second rotating shaft 545, the first rotating shaft 544 is rotationally connected to the second rotating shaft 545, and the stirring blade 546 is fixedly connected to the first rotating shaft 544 and the second rotating shaft 545.
The rotation assembly 54 transmits the power of the driving motor 52 through the rotation gear 541, and the first bevel gear 542 and the second bevel gear 543 are symmetrically disposed at the upper and lower sides of the rotation gear 541, so that after the rotation gear 541 rotates, because the rotation directions of the two radial ends of the rotation gear 541 are opposite when the rotation gear 541 rotates, the rotation directions of the first bevel gear 542 and the second bevel gear 543 engaged with the two ends of the rotation gear 541 are opposite, and the second rotation shaft 545 is hollow, so that the first rotation shaft 544 can be freely inserted into the second rotation shaft 545, the rotation directions of the first rotation shaft 544 and the second rotation shaft 545 respectively connected with the first bevel gear 542 and the second bevel gear 543 are opposite, and then the rotation directions of the two groups of stirring blades 546 are opposite, and the stirring blades 546 are reversely rotated, so that the liquid can flow and collide with each other in the tank body, the sewage in the reaction tank 2 can be accelerated to be mixed with the neutralizing precipitant, and the precipitation efficiency can be improved.
As shown in fig. 4, 5 and 7, a liquid injection passage 5441 is provided in the first rotating shaft 544, the liquid injection passage 5441 communicates with the chemical dosing apparatus 6, the outlet of the liquid injection passage 5441 faces the inside of the reaction tank 2, and a plurality of outlets of the liquid injection passage 5441 are provided.
Because the first rotating shaft 544 is directly inserted into the sewage in the reaction tank 2, by arranging the liquid injection channel 5441 communicated with the medicine adding device 6 in the first rotating shaft 544, the medicine to be added can be directly discharged into the sewage to be treated through the outlet of the liquid injection channel 5441, and the injection efficiency of the medicine is improved.
As shown in fig. 3 and 9, the dosing device 6 includes a liquid storage tank 61, a dosing pump 62, and a diverter disc 63, the liquid storage tank 61 is fixedly connected with the reaction tank 2, the dosing pump 62 is located in the liquid storage tank 61, a liquid outlet of the dosing pump 62 is communicated with the diverter disc 63, the diverter disc 63 is sleeved on the first rotating shaft 544, the diverter disc 63 is rotatably connected with the first rotating shaft 544, the diverter disc 63 is fixedly connected with the fixing frame 53, and the diverter disc 63 is communicated with the liquid injection channel 5441.
The liquid storage tank 61 is used for storing the medicament to be added, the medicament to be added is pumped out of the liquid storage tank 61 through the medicament adding pump 62 and pumped into the flow dividing disc 63, the medicament is injected into the liquid injection flow channel 5441 through the flow dividing disc 63, the fixing frame 53 provides support for the flow dividing disc 63, and therefore the flow dividing disc 63 can be kept relatively static when the first rotating shaft 544 rotates, and a stable channel is provided for medicament injection.
As shown in fig. 6, the flow dividing disc 63 includes a disc body 631, a sealing ring 632, and an annular flow channel 633, the disc body 631 is fixedly connected with the fixing frame 53, the sealing ring 632 is clamped with the disc body 631, the sealing ring 632 is abutted with the first rotating shaft 544, the annular flow channel 633 is communicated with a liquid outlet of the dosing pump 62, and the annular flow channel 633 is communicated with the liquid injection flow channel 5441.
The disc 631 passes through the fixed position of mount 53, through the cover at annular runner 633 both ends establish sealing washer 632, like this in the back of dosing pump 62 with the medicament pump in annular runner 633, can guarantee the leakproofness between disc 631 and the first pivot 544, prevent that the medicament from revealing, annular runner 633 can further pour into the medicament into annotate in the liquid runner 5441.
As shown in fig. 8, the adsorption device 7 comprises a water pump 71 and an adsorption unit 72, wherein the water inlet end of the water pump 71 is communicated with the reaction tank 2, the water outlet end of the water pump 71 is communicated with the adsorption tank 3, a plurality of layers of adsorption units 72 are arranged in the adsorption tank 3, and the particle sizes of the adsorption units 72 are sequentially reduced from bottom to top.
The water pump 71 is used for pumping the sewage which is neutralized and precipitated in the reaction tank 2 into the adsorption tank 3 to further adsorb the residual metal ions, the sewage enters from the lower end of the adsorption tank 3, thus the sewage can sequentially pass through the adsorption units 72 with gradually reduced particle sizes, and is adsorbed by the adsorption units 72, because the water flow gradually passes through the adsorption units 72 from bottom to top, in the process, most of impurities such as solid particles can be precipitated at the bottom end of the adsorption tank 3 due to the blocking of the adsorption units 72 and the gravity, and most of the metal ions in the sewage can be removed by the multistage adsorption of the adsorption units 72, the adsorption units 72 can be made of materials such as activated carbon, and the clean water after adsorption treatment is gathered at the upper end of the adsorption tank 3.
As shown in fig. 8, the adsorption tank 3 is provided with a slag collecting cavity 32 and an overflow cavity 33, the slag collecting cavity 32 is communicated with the slag discharging port 31, and the overflow cavity 33 is communicated with the water purifying tank 4.
The slag collecting cavity 32 and the slag discharging port 31 are both positioned at the lower end of the adsorption tank 3, most of impurities can be precipitated in the slag collecting cavity 32 at the bottom end of the adsorption tank 3 under the action of the blocking and gravity of the adsorption unit 72, the impurities can be directly discharged through the slag discharging port 31, the convenience and the rapidness are realized, and the treated clean water is gathered in the overflow cavity 33 and can be directly discharged into the water purifying tank 4 for collection.
The working principle of the invention is as follows: firstly, heavy metal sewage flows into the reaction tank 2 through the water inlet 21 for treatment, the rotation directions of the two radial ends of the rotation gear 541 are opposite when the rotation gear 541 rotates, so that the rotation directions of the first bevel gear 542 and the second bevel gear 543 which are symmetrically meshed with the two ends of the rotation gear 541 are opposite, the rotation directions of the first rotating shaft 544 and the second rotating shaft 545 which are respectively connected with the first bevel gear 542 and the second bevel gear 543 are opposite, then the stirring blades 546 are respectively fixed on the first rotating shaft 544 and the second rotating shaft 545, the rotation directions of the two groups of stirring blades 546 are opposite, the stirring blades 546 are opposite to rotate, the layered rotation of liquid in the tank body can be realized, the opposite rotating water flows are mutually mixed, the sewage in the reaction tank 2 is accelerated to be mixed with neutralizing precipitant, the medicament to be added is pumped out of the liquid storage tank 61 through the medicament adding pump 62 and pumped into the split-flow disk 63, the medicine is injected into the liquid injection channel 5441 in the first rotating shaft 544 through the flow dividing disc 63, the medicine to be added can be directly discharged into the sewage in the reaction tank 2 through the outlet of the liquid injection channel 5441, the sewage is pumped into the adsorption tank 3 by the water pump 71 after the neutralization and precipitation of the sewage in the reaction tank 2 are finished, the residual metal ions are further adsorbed, the sewage enters from the lower end of the adsorption tank 3, the sewage can sequentially pass through the adsorption units 72 with gradually reduced particle size, the adsorption is carried out through the adsorption units 72, because the water flow gradually overflows the adsorption units 72 from bottom to top, most of impurities such as solid particles can be precipitated at the bottom end of the adsorption tank 3 due to the blocking and gravity of the adsorption units 72, and the metal ions in the sewage can be removed through the multistage adsorption of the adsorption units 72, the clean water after the final treatment is discharged into the clean water tank 4 for collection.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A multistage purification treatment device of water body of heavy metal treatment, its characterized in that: the purifying treatment device comprises a base (1), an adsorption tank (2), a purifying tank (3), a water purifying tank (4), a stirring device (5), a dosing device (6) and an adsorption device (7), wherein the reaction tank (2) is fixedly connected with the base (1), the adsorption tank (3) is fixedly connected with the base (1), the purifying tank (4) is fixedly connected with the base (1), the stirring device (5) is fixedly connected with the reaction tank (2), the dosing device (6) is communicated with the stirring device (5), the adsorption device (7) is fixedly connected with the adsorption tank (3), the adsorption device (7) is positioned in the adsorption tank (3), the purifying tank (4) is communicated with the adsorption tank (3), a water inlet (21) is formed in one side of the reaction tank (2), and a slag discharge port (31) is formed in the bottom end of the adsorption tank (3).
The stirring device (5) comprises a shield (51), a driving motor (52), a fixing frame (53) and a rotating assembly (54), wherein the shield (51) is in fastening connection with the reaction tank (2), the driving motor (52) is in fastening connection with the reaction tank (2), the fixing frame (53) is in fastening connection with the reaction tank (2), the driving motor (52) and the fixing frame (53) are located in the shield (51), the rotating assembly (54) is in rotating connection with the fixing frame (53), and the rotating assembly (54) is in transmission connection with an output shaft of the driving motor (52);
The rotating assembly (54) comprises a rotating gear (541), a first bevel gear (542), a second bevel gear (543), a first rotating shaft (544), a second rotating shaft (545) and a stirring blade (546), wherein the rotating gear (541) is in rotating connection with the fixed frame (53), the rotating gear (541) is in transmission connection with an output shaft of the driving motor (52), the first bevel gear (542) is in rotating connection with the fixed frame (53), the first bevel gear (542) is meshed with the rotating gear (541), the first rotating shaft (544) is in transmission connection with the first bevel gear (542), the second bevel gear (543) is opposite to the first bevel gear (542), the second bevel gear (543) is in rotating connection with the fixed frame (53), the second bevel gear (543) is meshed with the rotating gear (541), the second bevel gear (543) is in transmission connection with the second rotating shaft (545), and the stirring blade (546) is in fastening connection with the first rotating shaft (544) and the second rotating shaft (545).
The first rotating shaft (544) is internally provided with a liquid injection runner (5441), the liquid injection runner (5441) is communicated with the dosing device (6), an outlet of the liquid injection runner (5441) faces into the reaction tank (2), and a plurality of outlets of the liquid injection runner (5441) are arranged;
The dosing device (6) comprises a liquid storage tank (61), a dosing pump (62) and a flow distribution disc (63), wherein the liquid storage tank (61) is fixedly connected with the reaction tank (2), the dosing pump (62) is positioned in the liquid storage tank (61), a liquid outlet of the dosing pump (62) is communicated with the flow distribution disc (63), the flow distribution disc (63) is sleeved on a first rotating shaft (544), the flow distribution disc (63) is rotationally connected with the first rotating shaft (544), the flow distribution disc (63) is fixedly connected with the fixed frame (53), and the flow distribution disc (63) is communicated with the liquid injection flow channel (5441);
The flow distribution disc (63) comprises a disc body (631), a sealing ring (632) and an annular flow channel (633), the disc body (631) is fixedly connected with the fixing frame (53), the sealing ring (632) is clamped with the disc body (631), the sealing ring (632) is abutted to the first rotating shaft (544), the annular flow channel (633) is communicated with a liquid outlet of the dosing pump (62), and the annular flow channel (633) is communicated with the liquid injection channel (5441).
2. The multi-stage purification treatment device for a water body treated by heavy metals according to claim 1, wherein: the adsorption device (7) comprises a water pump (71) and an adsorption unit (72), wherein the water inlet end of the water pump (71) is communicated with the reaction tank (2), the water outlet end of the water pump (71) is communicated with the adsorption tank (3), a plurality of layers of adsorption units (72) are arranged in the adsorption tank (3), and the particle sizes of the adsorption units (72) are sequentially reduced from bottom to top.
3. The multi-stage purification treatment device for water body treated by heavy metal according to claim 2, wherein: the adsorption tank (3) is internally provided with a slag collecting cavity (32) and an overflow cavity (33), the slag collecting cavity (32) is communicated with a slag discharging port (31), and the overflow cavity (33) is communicated with the water purifying tank (4).
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| CN207775150U (en) * | 2017-12-02 | 2018-08-28 | 西安市永鑫科技有限公司 | A kind of crude oil organochlorine removing means |
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| CN211595070U (en) * | 2019-12-26 | 2020-09-29 | 张爱平 | Dosing device for sewage treatment for environmental engineering |
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| CN215102194U (en) * | 2021-07-08 | 2021-12-10 | 昆山至卓环保科技有限公司 | Nickeliferous charge device for waste liquid treatment |
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