CN113816560A - Zero-valent iron-based composite nano-material recovery device - Google Patents
Zero-valent iron-based composite nano-material recovery device Download PDFInfo
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- CN113816560A CN113816560A CN202111176595.2A CN202111176595A CN113816560A CN 113816560 A CN113816560 A CN 113816560A CN 202111176595 A CN202111176595 A CN 202111176595A CN 113816560 A CN113816560 A CN 113816560A
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- 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
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- 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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
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- 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
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The invention belongs to the technical field of precious metal recovery, and discloses a zero-valent iron-based composite nanomaterial recovery device which comprises a mixer, an electromagnetic separation tube assembly and a sedimentation tank which are sequentially connected, wherein a first valve is arranged between the mixer and the electromagnetic separation tube assembly, and a second valve is arranged between the electromagnetic separation tube assembly and the sedimentation tank. Still include the pond of adding medicine, the one end in pond of adding medicine is connected with the output of electromagnetic separation pipe assembly, and the other end in pond of adding medicine is connected with the blender, and still installs valve three between pond of adding medicine and the electromagnetic separation pipe assembly. The electromagnetic separation pipe assembly comprises a plurality of electromagnetic separation pipes, the electromagnetic separation pipes comprise a shell, pipe orifices are formed in the two ends of the shell, a plurality of bosses are installed on the inner wall of a channel in the shell and are of conical table-shaped structures, and electromagnetic adsorption mechanisms are installed on the side faces of the bosses. The method can effectively recover the used nano zero-valent iron, and has good washing effect and better recovery effect.
Description
Technical Field
The invention relates to the technical field of precious metal recovery, in particular to a recovery device for a zero-valent iron-based composite nano material.
Background
At present, rare and precious metals are extremely important resources, are widely applied to the fields of modern science and technology and industry such as aerospace, petrochemical industry, electronic and electrical products, communication and the like, and represent the national economic strength and the scientific and technological strength. In recent years, with the rapid development of the emerging high-tech industry, the demand for rare and precious metals is expanding in various countries around the world. The waste water produced in the industries of smelting, electroplating and the like contains a large amount of heavy metal ions, including rare and precious metal ions such as gold, silver, palladium, platinum and the like, and the concentration of the heavy metal ions can only be reduced below the standard by adopting the traditional treatment technology, but the enrichment and recovery of the rare and precious metal ions cannot be realized, so that the great resource waste is caused.
In the prior art, methods for enriching and recovering rare and precious metal ions by using nano zero-valent iron exist, for example, a' recovering process of rare and precious metals in wastewater and a nano iron reaction device used in the recovering process are introduced in patent CN103342423B, but the patent still has the following defects: (1) the utilization rate of the nano zero-valent iron is low: in order to ensure the effect of removing the heavy metal ions, the nano zero-valent iron added into the wastewater is usually excessive, and the excessive nano zero-valent iron is directly discharged out of the reaction system after coagulating sedimentation, wherein the excessive nano zero-valent iron does not participate in the reaction with the heavy metal ions. (2) The retention time of the wastewater in the nano zero-valent iron reaction device is long: the reaction rates of different kinds of heavy metal ions and the nano zero-valent iron are different. In order to ensure the effect of removing the heavy metal ions, the retention time of the nano zero-valent iron in the reaction device is determined by the heavy metal with the slowest reaction rate with the nano zero-valent iron. However, the reaction rate of some rare and noble metal ions and the nano zero-valent iron is very fast, and the excessive retention time is unnecessary for the enrichment and recovery of the rare and noble metal ions.
Disclosure of Invention
Another object of the present invention is to provide a recovery apparatus for zero-valent iron-based composite nanomaterial capable of solving the above problems.
A zero-valent iron-based composite nanomaterial recovery device comprises a mixer, an electromagnetic separation tube assembly and a sedimentation tank which are sequentially connected, wherein a first valve is arranged between the mixer and the electromagnetic separation tube assembly, and a second valve is arranged between the electromagnetic separation tube assembly and the sedimentation tank; the device also comprises a dosing pool, one end of the dosing pool is connected with the output end of the electromagnetic separation pipe assembly, the other end of the dosing pool is connected with the mixer, and a valve III is also arranged between the dosing pool and the electromagnetic separation pipe assembly; the electromagnetic separation pipe assembly comprises a plurality of electromagnetic separation pipes, each electromagnetic separation pipe comprises a shell, pipe orifices are formed in the two ends of each shell, a plurality of bosses are installed on the inner wall of a channel in each shell, each boss is of a conical table-shaped structure, and an electromagnetic adsorption mechanism is installed on the side face of each boss.
Further, the boss is hollow structure, and electromagnetism adsorption apparatus constructs including seting up breach and the mounting hole in the different sides of boss respectively, wherein, all install the adsorption plate in breach and the mounting hole, and have magnetism after the adsorption plate circular telegram, in order to adsorb nanometer zero-valent iron.
Further, adsorption plate in the breach is the elastic plate, and is equipped with the boss outside of breach and installs vibration mechanism, wherein, passes through waste water in the passageway provides power extremely vibration mechanism, vibration mechanism are used for the drive to the adsorption plate vibration.
Further, the outer port department of mounting hole has the flaring groove along extending all around, and flaring inslot movable mounting has seal ring, and the adsorption plate in the mounting hole inlays the dress in the seal ring that corresponds, and the inboard vertical fixation of this adsorption plate has the connecting rod, and the other end of connecting rod all is fixed on a movable mounting panel, and the movable mounting panel activity is located in the mounting hole, and movable mounting panel and the intraoral adsorption plate of breach pass through the connecting piece and connect, in order to transmit the vibration.
Furthermore, the connecting piece includes the extension spring, and the both ends of extension spring are hung respectively and are established on two lugs, and the opposite side of lug all is fixed with the lug, and the lug is connected with corresponding movable mounting panel or adsorption plate, and installs the battery in the lug to provide power to adjacent adsorption plate.
Further, still be equipped with fixed mounting panel between movable mounting panel and the adsorption plate that corresponds, the inner wall of fixed mounting panel and mounting hole is fixed, and sets up the guiding hole that supplies the connecting rod to pass on the fixed mounting panel, and the connecting rod outside that is located between adsorption plate and the fixed mounting panel still overlaps and is equipped with the spring.
Further, the vibration mechanism comprises two symmetrically arranged clamping plates and a rotating wheel which is rotatably arranged between the two clamping plates through a pin shaft, the outer ring of the rotating wheel is sleeved with a propeller, and the rotating wheel is also provided with a convex plate used for abutting against the adsorption plate.
Furthermore, the outer ring of the rotating wheel is provided with a groove, the inner end of the convex plate is connected with the groove in a sliding manner, a return spring is fixed in the groove, the other end of the return spring is connected with the convex plate, and the groove is internally provided with an accommodating mechanism for driving the convex plate to slide towards the inner side of the groove.
Furthermore, the accommodating mechanism comprises an electromagnet fixed on the inner side of the groove and a magnetic suction block capable of being adsorbed by the electromagnet after being electrified, and the magnetic suction block is fixed at the inner end of the convex plate
Further, the channel is internally and symmetrically provided with two supports and a central pipe, the central pipe is rotatably installed between the two supports, one support is provided with a waterproof motor to drive the central pipe to rotate, the central pipe is internally provided with an electromagnetic adsorption device to attract the nano zero-valent iron to move towards the middle of the channel, and the outer side of the central pipe is also provided with a cylindrical protective net.
The invention has the beneficial effects that:
when the device is recycled, the wastewater enters the mixer to be subjected to mixing reaction, the mixed wastewater can absorb nano iron through the electromagnetic separation pipe fitting, the second valve is opened, the third valve is closed, the treated wastewater can enter the sedimentation tank, after the wastewater is discharged, the first valve is opened to introduce washing water, the washing water enters each electromagnetic separation pipe to be washed, at the moment, the second valve is closed, the third valve is opened, and the nano iron absorbed by the electromagnetic separation pipe fitting enters the dosing tank, so that the nano zero-valent iron can be conveniently recycled and reused.
The electromagnetic separation tube designed by the invention is internally provided with the boss which is in a conical table shape, the outer side surface of the boss is provided with the magnetic adsorption mechanism, the nano zero-valent iron can be adsorbed, and after the electromagnetic separation tube is washed, the outer side surface of the boss can be fully contacted with washing liquid, so that the nano zero-valent iron adsorbed in the electromagnetic separation tube can be conveniently and thoroughly recovered, and the recovery effect is better.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the electromagnetic separation tube of the present invention;
FIG. 3 is an enlarged view at A of FIG. 2 of the present invention;
FIG. 4 is an enlarged view of the invention at B of FIG. 3;
FIG. 5 is a schematic cross-sectional view of the present invention at the boss;
fig. 6 is an enlarged view of the invention at C of fig. 5.
In the figure: the device comprises a mixer 1, an electromagnetic separation tube assembly 2, a sedimentation tank 3, a dosing tank 4, a valve I5, a valve II 6, a valve III 7, a shell 8, a tube opening 9, a channel 10, a support 11, a central tube 12, a boss 13, a movable mounting plate 14, a mounting hole 15, a bump 16, a lifting lug 17, a tension spring 18, a fixed mounting plate 19, a spring 20, an adsorption plate 21, a connecting rod 22, a sealing gasket 23, a flaring groove 25, a clamping plate 26, a magnet I27, a magnet 28, a notch 29, a vibration mechanism 30, an inner container 31, a rotating wheel 32, a propeller 33, an electromagnet 34, a groove 35, a return spring 36 and a convex plate 37.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating an orientation or positional relationship are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present invention, unless otherwise expressly stated or limited, the first feature may be present on or under the second feature in direct contact with the first and second feature, or may be present in the first and second feature not in direct contact but in contact with another feature between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Example (b):
referring to fig. 1 to 6, the embodiment provides a zero-valent iron-based composite nanomaterial recycling device, which includes a mixer 1, an electromagnetic separation tube assembly 2, and a sedimentation tank 3, which are connected in sequence, wherein a first valve 5 is disposed between the mixer 1 and the electromagnetic separation tube assembly 2, and a second valve 6 is disposed between the electromagnetic separation tube assembly 2 and the sedimentation tank 3. The electromagnetic separation tube assembly can absorb the nanometer zero-valent iron in the wastewater.
Still including adding medicine pond 4, add the output of the one end and the electromagnetic separation pipe assembly 2 of medicine pond 4 and be connected, add the other end and the blender 1 connection of medicine pond 4, and add and still install valve three 7 between medicine pond 4 and the electromagnetic separation pipe assembly 2.
Wherein, add in the medicine pond 4 and the blender is connected for the required abundant nano-iron of input reaction, sewage passes through electromagnetic separation pipe assembly 2, can stay five minutes in its inside to absorb the nano-iron of its inside.
The during operation, waste water enters into and mixes the reaction in blender 1, waste water after the mixture passes through electromagnetic separation pipe fitting 2, can absorb nano-iron, open valve two 6, close valve three 7, can make the waste water after the processing enter into sedimentation tank 3, after waste water discharges, open valve one 5 and let in the sparge water, the sparge water enters into and washes in each electromagnetic separation pipe, close valve two 6 this moment, open valve three 7, the nano-iron absorbed by electromagnetic separation pipe assembly 2 enters into and adds medicine pond 4, in order to conveniently retrieve nano-zero valent iron, reuse.
Specifically, referring to fig. 2, in the present invention, the electromagnetic separation tube assembly 2 includes a plurality of electromagnetic separation tubes, each electromagnetic separation tube includes a housing 8, both ends of the housing 8 have pipe orifices 9, a plurality of bosses 13 are installed on the inner wall of a channel 10 in the housing 8, the bosses 13 are in a tapered platform-shaped structure, and an electromagnetic adsorption mechanism is installed on the side surface of the bosses 13.
Through above-mentioned structure, can make the electromagnetic adsorption mechanism install in the position department of the protruding inside pipe wall of separator, the later stage of being convenient for washes the recovery to the absorbing nanometer iron of separator, work efficiency is high.
Referring to fig. 3, for convenience of installation, the boss 13 is a hollow structure, and the electromagnetic adsorption mechanism includes a notch 29 and a mounting hole 15 respectively formed on different side surfaces of the boss 13, wherein both the notch 29 and the mounting hole 15 are provided with an adsorption plate 21, and the adsorption plate 21 is magnetic after being electrified to adsorb the nano zero-valent iron. Wherein, the adsorption plate 21 can absorb and store zero-valent iron, and is externally connected with a power supply for use.
For more convenient operation, in an alternative embodiment of the present invention, the absorption plate 21 in the gap 29 is an elastic plate, and a vibration mechanism is installed outside the boss 13 provided with the gap 29, wherein the wastewater passing through the channel 10 provides power to the vibration mechanism, and the vibration mechanism is used for driving the absorption plate 21 to vibrate.
Referring to fig. 4, in the present invention, flared grooves 25 extend along the periphery of the outer port of the mounting hole 15, sealing washers 23 are movably mounted in the flared grooves 25, the adsorption plate 21 in the mounting hole 15 is embedded in the corresponding sealing washer 23, a connecting rod 22 is vertically fixed on the inner side of the adsorption plate 21, the other ends of the connecting rods 22 are fixed on a movable mounting plate 14, the movable mounting plate 14 is movably disposed in the mounting hole 15, and the movable mounting plate 14 and the adsorption plate 21 in the gap 29 are connected by a connecting member to transmit vibration. Through the structure, when the nanometer part iron in the electromagnetic separation pipe is washed, the adsorption plate 21 is vibrated, so that the nanometer part iron adsorbed on the adsorption plate falls off conveniently, and is mixed with washing water and input into the dosing pool.
In an optional embodiment of the present invention, further, the connecting member includes a tension spring 18, two ends of the tension spring 18 are respectively hung on two lifting lugs 17, a protrusion 16 is fixed on the other side of each lifting lug 17, the protrusion 16 is connected with the corresponding movable mounting plate 14 or the corresponding suction plate 21, and a storage battery is installed in the protrusion 16 to provide power to the adjacent suction plate 21. Through the structure, the adsorption plate can be conveniently installed and connected, wherein the storage battery can provide power for the adsorption plate 21, the adsorption plate is convenient to electrify and has magnetism, and the purpose of adsorbing the nano zero-valent iron is achieved.
In the invention, further, a fixed mounting plate 19 is further arranged between the movable mounting plate 14 and the corresponding adsorption plate 21, the fixed mounting plate 19 is fixed with the inner wall of the mounting hole 15, a guide hole for a connecting rod 22 to pass through is formed in the fixed mounting plate 19, and a spring 20 is further sleeved on the outer side of the connecting rod 22 between the adsorption plate 21 and the fixed mounting plate 19. Through the structure, the adsorption plate 21 can generate vibration under the action of the tension spring 18, and the working stability of the adsorption plate is ensured.
In the invention, further, the vibration mechanism comprises two symmetrically arranged clamping plates 26 and a rotating wheel 32 rotatably installed between the two clamping plates 26 through a pin shaft, a propeller 33 is sleeved on the outer ring of the rotating wheel 32, and a convex plate 37 for abutting against the adsorption plate 21 is further arranged on the rotating wheel 32. Wherein, the rotation wheel rotates through the rotation of screw 33, and the pivoted in-process, protruding board 37 can intermittent type nature conflict adsorption plate 21, drives adsorption plate 21 and takes place the vibration.
In the present invention, referring to fig. 6, further, a groove 35 is formed in an outer ring of the rotating wheel 32, an inner end of the protruding plate 37 is slidably connected to the groove 35, a return spring 36 is fixed in the groove 35, another end of the return spring 36 is connected to the protruding plate 37, and a receiving mechanism for driving the protruding plate 37 to slide toward an inner side of the groove 35 is further disposed in the groove 35. By the above structure, the convex plate 37 can be retracted into the groove 35, which is convenient for its operation.
In an alternative embodiment of the present invention, the accommodating mechanism includes an electromagnet 34 fixed inside the groove 35 and a magnetic block capable of attracting the electromagnet 34 after being energized, and the magnetic block is fixed at the inner end of the protruding plate 37
Referring to fig. 1, two brackets 11 and a central tube 12 are symmetrically arranged in a channel 10, the central tube 12 is rotatably installed between the two brackets 11, one of the brackets 11 is provided with a waterproof motor to drive the central tube 12 to rotate, an electromagnetic adsorption device is arranged in the central tube 12 to attract nano zero-valent iron to move towards the middle of the channel 10, and a cylindrical protective net is further arranged outside the central tube 12.
Through the structure, when the nano zero-valent iron is washed, the nano part iron is gathered towards the middle part in the electromagnetic separation pipe, so that the washing is more thorough, the washing efficiency is better, and the effect of recycling the nano part iron is better.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement 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 recovery device for the zero-valent iron-based composite nano material is characterized by comprising a mixer (1), an electromagnetic separation tube assembly (2) and a sedimentation tank (3) which are sequentially connected, wherein a first valve (5) is arranged between the mixer (1) and the electromagnetic separation tube assembly (2), and a second valve (6) is arranged between the electromagnetic separation tube assembly (2) and the sedimentation tank (3);
the device is characterized by further comprising a dosing pool (4), wherein one end of the dosing pool (4) is connected with the output end of the electromagnetic separation tube assembly (2), the other end of the dosing pool (4) is connected with the mixer (1), and a valve III (7) is further arranged between the dosing pool (4) and the electromagnetic separation tube assembly (2);
the electromagnetic separation tube assembly (2) comprises a plurality of electromagnetic separation tubes, each electromagnetic separation tube comprises a shell (8), pipe orifices (9) are formed in two ends of each shell (8), a plurality of bosses (13) are mounted on the inner wall of a channel (10) in each shell (8), each boss (13) is of a conical table-shaped structure, and an electromagnetic adsorption mechanism is mounted on the side surface of each boss (13);
boss (13) are hollow structure, and electromagnetism adsorption apparatus constructs including seting up breach (29) and mounting hole (15) in the different sides of boss (13) respectively, wherein, all install in breach (29) and mounting hole (15) and adsorb board (21), and adsorb board (21) have magnetism after the circular telegram, in order to adsorb nanometer zero-valent iron.
2. The recovery device of zero-valent iron-based composite nanomaterial, according to claim 1, wherein the adsorption plate (21) in the gap (29) is an elastic plate, and a vibration mechanism is installed outside the boss (13) provided with the gap (29), wherein the wastewater passing through the channel (10) provides power to the vibration mechanism, and the vibration mechanism is used for driving the adsorption plate (21) to vibrate.
3. The recovery device of zero-valent iron-based composite nanomaterial, according to claim 2, wherein an expansion groove (25) extends from the periphery of the outer port of the mounting hole (15), a sealing washer (23) is movably mounted in the expansion groove (25), the adsorption plate (21) in the mounting hole (15) is embedded in the corresponding sealing washer (23), a connecting rod (22) is vertically fixed on the inner side of the adsorption plate (21), the other end of the connecting rod (22) is fixed on a movable mounting plate (14), the movable mounting plate (14) is movably arranged in the mounting hole (15), and the movable mounting plate (14) and the adsorption plate (21) in the gap (29) are connected through a connecting piece to transmit vibration.
4. The recovery device of zero-valent iron-based composite nanomaterial according to claim 3, wherein the connecting member comprises a tension spring (18), two ends of the tension spring (18) are respectively hung on two lifting lugs (17), a lug (16) is fixed on the other side of each lifting lug (17), the lug (16) is connected with the corresponding movable mounting plate (14) or adsorption plate (21), and a storage battery is installed in each lug (16) to provide power to the adjacent adsorption plate (21).
5. The recovery device of the zero-valent iron-based composite nanomaterial, according to claim 4, wherein a fixed mounting plate (19) is further arranged between the movable mounting plate (14) and the corresponding adsorption plate (21), the fixed mounting plate (19) is fixed to the inner wall of the mounting hole (15), the fixed mounting plate (19) is provided with a guide hole for the connecting rod (22) to pass through, and a spring (20) is further sleeved on the outer side of the connecting rod (22) between the adsorption plate (21) and the fixed mounting plate (19).
6. The recovery device for the zero-valent iron-based composite nanomaterial, according to any one of claims 3-5, wherein the vibration mechanism comprises two symmetrically arranged clamping plates (26) and a rotating wheel (32) rotatably mounted between the two clamping plates (26) through a pin shaft, a propeller (33) is sleeved on an outer ring of the rotating wheel (32), and a convex plate (37) for abutting against the adsorption plate (21) is further arranged on the rotating wheel (32).
7. The recovery device of zero-valent iron-based composite nanomaterial, according to claim 6, wherein the outer ring of the rotating wheel (32) is provided with a groove (35), the inner end of the convex plate (37) is slidably connected to the groove (35), a return spring (36) is fixed in the groove (35), the other end of the return spring (36) is connected with the convex plate (37), and the groove (35) is further internally provided with a holding mechanism for driving the convex plate (37) to slide towards the inner side of the groove (35).
8. The recovery device of zero-valent iron-based composite nanomaterial, according to claim 7, wherein the holding mechanism comprises an electromagnet (34) fixed inside the groove (35) and a magnetic block capable of being attracted to the electromagnet (34) after being energized, and the magnetic block is fixed at the inner end of the convex plate (37).
9. The recovery device of zero-valent iron-based composite nanomaterial according to claim 8, wherein two brackets (11) and a central tube (12) are symmetrically arranged in the channel (10), the central tube (12) is rotatably mounted between the two brackets (11), a waterproof motor is mounted on one bracket (11) to drive the central tube (12) to rotate, an electromagnetic adsorption device is arranged in the central tube (12) to attract the nano zero-valent iron to move towards the middle of the channel (10), and a cylindrical protective net is arranged outside the central tube (12).
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| CN202111176595.2A CN113816560B (en) | 2021-10-09 | 2021-10-09 | Zero-valent iron-based composite nano material recovery device |
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