CN111530909A - Pre-buried formula soil heavy metal adsorbs transfer device - Google Patents
Pre-buried formula soil heavy metal adsorbs transfer device Download PDFInfo
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- CN111530909A CN111530909A CN202010386117.3A CN202010386117A CN111530909A CN 111530909 A CN111530909 A CN 111530909A CN 202010386117 A CN202010386117 A CN 202010386117A CN 111530909 A CN111530909 A CN 111530909A
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- 239000002689 soil Substances 0.000 title claims abstract description 71
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 30
- 238000012546 transfer Methods 0.000 title claims abstract description 23
- 239000003463 adsorbent Substances 0.000 claims abstract description 104
- 238000001179 sorption measurement Methods 0.000 claims abstract description 85
- 239000002245 particle Substances 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 39
- 238000003795 desorption Methods 0.000 claims abstract description 30
- 238000003860 storage Methods 0.000 claims description 108
- 230000005540 biological transmission Effects 0.000 claims description 28
- 239000012528 membrane Substances 0.000 claims description 27
- 239000008187 granular material Substances 0.000 claims description 26
- 230000007246 mechanism Effects 0.000 claims description 20
- 238000004804 winding Methods 0.000 claims description 19
- 229920000742 Cotton Polymers 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 9
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 9
- 241001330002 Bambuseae Species 0.000 claims description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 9
- 239000011425 bamboo Substances 0.000 claims description 9
- 239000011550 stock solution Substances 0.000 claims description 8
- 239000000243 solution Substances 0.000 claims description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000010410 layer Substances 0.000 claims description 6
- 239000002356 single layer Substances 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 3
- 239000002738 chelating agent Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000008151 electrolyte solution Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 229910021645 metal ion Inorganic materials 0.000 abstract description 23
- 229920006395 saturated elastomer Polymers 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 239000012466 permeate Substances 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005067 remediation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 13
- 239000000499 gel Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000001764 infiltration Methods 0.000 description 4
- 230000008595 infiltration Effects 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000001314 paroxysmal effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a pre-buried soil heavy metal adsorption transfer device, which belongs to the technical field of soil remediation and comprises magnetic adsorbent particles which can be driven along with a magnetic conduction conveyor belt, wherein the magnetic adsorbent particles in an adsorption plate form a metal ion adsorption surface which is saturated in adsorption and is driven upwards by a control device to be collected in a collection box, the newly led magnetic adsorbent particles are adsorbed on the magnetic conduction conveyor belt to form a new adsorption surface, the collection and the re-embedding of the adsorbent are not required to be carried out manually, in addition, the introduced desorption liquid permeates in soil and reacts with the soil to release the metal ions in the soil so as to be adsorbed by the magnetic adsorbent particles in the adsorption plate, and the introduced gas aggravates the fluidity of the desorption liquid on one hand, on one hand, the metal ion adsorption material is beneficial to driving metal ions to flow after flowing in soil, and the adsorption effect is effectively improved.
Description
Technical Field
The invention relates to the technical field of soil remediation, in particular to a pre-embedded type soil heavy metal adsorption and transfer device.
Background
Soil is an important foundation for the natural environment and agricultural production on which humans rely for survival. Since 20 th century, the yield of metals has been remarkably increased due to the development of industry, and the problem of heavy metal environmental pollution caused by the metal has also appeared, and the heavy metals in the soil are adsorbed on the surface of soil particles in an ionic state or in a simple substance form or are coated in the soil.
The heavy metal pollution has the situations of industrial transfer to agriculture, urban area transfer to rural areas, surface transfer to underground, upstream transfer to downstream, water and soil pollution transfer to food chain, and pollution accumulation gradually enters pollution paroxysmal, linkage and regional outbreak. Therefore, the search for economic and efficient soil heavy metal pollution treatment technology is urgent.
The existing methods for treating heavy metals in soil comprise a chemical precipitation method, an electrolysis method, an ion exchange method, a membrane separation method, activated carbon, a silica gel adsorption method, a microorganism leaching method and the like. The activated carbon and silica gel adsorption method is characterized in that heavy metal ions and pollutants on the surface layer of soil particles are desorbed and separated from soil, so that the heavy metal ions and other pollutants are directionally migrated, and the heavy metal ions are adsorbed in the migration process. However, in the prior art, the adsorbent is usually simply laid in the soil, and then the adsorbent is periodically collected and desorbed, the adsorption mode is excessively static, the adsorption effect is still to be improved, meanwhile, for some heavy metal-serious soil, secondary and repeated adsorption and repair are required, after the adsorption of the adsorbent is saturated, the artificial periodic soil turning and collection is required, and then the new adsorbent is buried in the soil again, so that the operation is complicated.
Therefore, the pre-buried soil heavy metal adsorption and transfer device is provided for effectively solving some problems in the prior art.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an embedded type soil heavy metal adsorption and transfer device.
2. Technical scheme
In order to solve the problems, the invention adopts the following technical scheme.
A pre-buried soil heavy metal adsorption transfer device comprises a pre-buried seat and an adsorption plate fixedly connected to one side of the upper end of the pre-buried seat, wherein a collection box is fixedly connected to the upper end of the adsorption plate, a storage barrel is fixedly connected to one side of the pre-buried seat, the connection positions of the pre-buried seat, the adsorption plate and the storage barrel are communicated in pairs, an unwinding roller and a winding roller which are matched with each other are respectively installed inside the pre-buried seat close to one side of the storage barrel and inside the collection box, a magnetic conduction conveyor belt is connected between the unwinding roller and the winding roller in a transmission manner, an electromagnetic guide plate matched with the magnetic conduction conveyor belt in position is fixedly connected among the pre-buried seat, the adsorption plate and the collection box, the magnetic conduction conveyor belt is sleeved on the outer end face sliding on the electromagnetic guide plate, an adsorption mesh hole is formed in the outer end side wall of one, the utility model discloses a novel adsorbent storage device, including storage cylinder, adsorbent storage chamber, toper guide way, annular chamber, feed liquor pipe, desorption liquid, a plurality of individual layer filter membranes, adsorbent storage chamber, the inside packing of adsorbent storage chamber has a plurality of magnetic adsorbent particles, the bottom portion rotation of adsorbent storage chamber is connected with the ration guide roll who is connected with the unwinding roller transmission, and the bottom of adsorbent storage chamber is linked together through toper guide passageway with the interior bottom of pre-buried seat, the annular chamber has been seted up to the outside inner wall of storage cylinder, the storage cylinder is close to the feed liquor pipe that fixedly connected with is linked together rather than inside on the lateral wall of upper end, the annular intracavity is filled with desorption liquid, be.
Further, the inside of pre-buried seat is equipped with material temporary storage portion, toper guide passageway is linked together with material temporary storage portion, material temporary storage portion is located unreel roller inner one side, the magnetic conduction conveyer belt is located toper guide passageway bottom portion top to the realization is leading-in to pre-buried seat with the magnetic adsorbent granule in the adsorbent storage intracavity of one side department, and leads to the bottom portion to the magnetic conduction conveyer belt with the magnetic adsorbent granule that derives downwards through toper guide structure, with can be better realization behind the electromagnetism deflector circular telegram, the magnetic conduction conveyer belt can be with the magnetic adsorbent granule adsorption of its bottom in driven in-process, and bring the magnetic adsorbent granule into the adsorption plate after the adsorption and accomplished follow-up heavy metal and other pollutants in the soil and adsorb.
Furthermore, an arc-shaped material guiding part corresponding to the position of the winding roller is fixedly installed inside the collecting box, a collecting box is installed at the inner bottom of the collecting box in a sliding mode, a blanking port communicated with the upper end of the collecting box is formed in the inner bottom end of the arc-shaped material guiding part, the top end of the electromagnetic guide plate is located on one side of the winding roller, after the magnetic conduction conveyor belt adsorbing magnetic adsorbent particles is driven to the winding roller, the magnetic conduction conveyor belt does not adsorb the magnetic adsorbent particles at the moment because the electromagnetic guide plate provided with magnetic conduction is arranged at the position of the winding roller, so that the magnetic adsorbent particles on the winding roller are demagnetized by the magnetic conduction conveyor belt, the arc-shaped material guiding part guides the falling magnetic adsorbent particles, and finally the magnetic adsorbent particles are guided into the collecting box through the blanking port on the arc-shaped material guiding part, and technicians can regularly control the winding roller to drive, change with the magnetic adsorbent granule of realization in the regular adsorption plate, can drive the ration guide roll at unreeling roller pivoted in-process and rotate, at this moment, the magnetic adsorbent granule of adsorbent storage intracavity alright smoothly leading-in to the interim storage of material portion in to accomplish the change of magnetic adsorbent granule, need not the manual work and turn over the collection with the magnetic adsorbent granule of saturation from soil, collect the box and can follow collecting box and pull out, so that regular cleaning.
Further, be connected through the drive mechanism transmission between ration guide roll and the magnetic conduction conveyer belt, drive mechanism includes fixed mounting in the epaxial drive wheel of ration guide roll and magnetic conduction conveyer belt one end pivot, two connect through the drive belt transmission between the drive wheel, unreel the synchronous rotation of roller and ration guide roll, can realize carrying out the transmission in-process to the magnetic conduction conveyer belt, the leading-in to the interim storage portion of material of magnetic adsorbent granule in adsorbent storage intracavity, when the magnetic conduction conveyer belt stall, the ration guide roll plays limiting displacement to a certain extent to the magnetic adsorbent granule in adsorbent storage intracavity.
Further, the annular chamber is close to the top portion and inlays to establish and install waterproof ventilated membrane, waterproof ventilated membrane is located feed liquor pipe top, gas storage chamber and stock solution chamber that distribute about waterproof ventilated membrane separates into the annular chamber, desorption liquid is filled in the stock solution intracavity, air intake mechanism's bottom is leading-in to the gas storage intracavity, and desorption liquid storage in the stock solution intracavity from feed liquor pipe leading-in, desorption liquid is outwards permeated the derivation through the individual layer filter membrane that distributes on the storage cylinder lateral wall, and desorption liquid permeates the back in soil and reacts with soil, releases the metal ion in the soil, and the metal ion that flows in the aqueous solution is adsorbed by the magnetic adsorbent granule in the adsorption plate at last.
Further, air inlet mechanism establishes the sealed lid of installing in storage section of thick bamboo top portion including the cover, the upper end is all inserted and is equipped with the intake pipe about sealed lid, two the bottom of intake pipe all runs through sealed lid and extends to in the gas storage cavity, and the top portion of two intake pipes installs the air duct, the air inlet has been seted up on the air duct, install gaseous check valve in the air inlet, the air inlet is with external air constantly leading-in to the gas storage cavity in, the gas of gas storage cavity sees through the leading-in to the liquid storage cavity of waterproof ventilated membrane, easily aggravates drive mechanism's the infiltration that flows, and the gas that flows in soil still does benefit to and drives metal ion and flows, effectively improves adsorption.
Furthermore, the magnetic adsorbent particles are hollow adsorption gel, magnetic conductive balls magnetically attracted with the electromagnetic guide plate are wrapped inside the hollow adsorption gel, and the outer surface of the hollow adsorption gel is coated with titanium dioxide coating liquid.
Further, the desorption solution includes but is not limited to one or more of electrolyte solution, weak acid solution and chelating agent.
Furthermore, a plurality of fiber drainage cotton are fixedly connected to the side wall of the outer end of the single-layer filter membrane, the fiber drainage cotton has super-strong water absorption, and after the fiber drainage cotton is buried in soil, the transmission mechanism is easy to diffuse in the soil.
Further, the bottom portion of storage section of thick bamboo is through linking up seat and pre-buried seat fixed connection, link up the equal highly connected with pre-buried pole in bottom of seat and pre-buried seat, strengthen the steadiness of the device in soil.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) according to the scheme, the magnetic adsorbent particles capable of being driven along with the magnetic conduction conveyor belt are arranged, the magnetic adsorbent particles in the adsorption plate form a metal ion adsorption surface, after a certain period of time, the adsorption surface is saturated in adsorption, at the moment, the magnetic adsorbent particles saturated in adsorption are upwards driven into the collection box for collection through the transmission of the magnetic conduction conveyor belt, the magnetic adsorbent particles which are guided out again are adsorbed on the magnetic conduction conveyor belt which is transmitted to form a new adsorption surface, the collection and the re-embedding of the adsorbent are not required to be carried out manually for many times, in addition, desorption liquid and air are introduced, the desorption liquid permeates into soil and reacts with the soil to release metal ions in the soil, the metal ions flowing in the water solution are finally adsorbed by the magnetic adsorbent particles in the adsorption plate, and the introduced gas aggravates the flowability of the desorption liquid on the one hand, on one hand, the metal ion adsorption material is beneficial to driving metal ions to flow after flowing in soil, and the adsorption effect is effectively improved.
(2) The inside of pre-buried seat is equipped with material temporary storage portion, toper guide passageway and material temporary storage portion communicate, material temporary storage portion is located unreel roller inner one side, the magnetic conduction conveyer belt is located toper guide passageway bottom portion top, in order to realize leading-in to the pre-buried seat with the magnetic adsorbent granule in the adsorbent storage intracavity of one side department, and lead-in to the bottom portion of magnetic conduction conveyer belt with the magnetic adsorbent granule of deriving downwards through toper guide structure, in order can be better realization behind the electromagnetism deflector circular telegram, the magnetic conduction conveyer belt can be with the magnetic adsorbent granule absorption of its bottom at driven in-process, and bring into the adsorption plate after the magnetic adsorbent granule absorption and accomplished follow-up heavy metal and other pollutants in the soil and adsorb.
(3) The collecting box is fixedly provided with an arc-shaped material guiding part corresponding to the position of the winding roller, the inner bottom of the collecting box is provided with a collecting box in a sliding manner, the inner bottom end of the arc-shaped material guiding part is provided with a blanking port communicated with the upper end of the collecting box, the top end part of the electromagnetic guide plate is positioned at one side of the winding roller, after the magnetic conduction conveyor belt adsorbed with magnetic adsorbent particles is driven on the winding roller, the magnetic conduction conveyor belt does not adsorb the magnetic adsorbent particles at the moment because the electromagnetic guide plate provided with magnetic conduction is arranged at the position of the winding roller, so that the magnetic adsorbent particles on the winding roller are demagnetized by the magnetic conduction conveyor belt, the arc-shaped material guiding part guides the falling magnetic adsorbent particles, and finally the magnetic adsorbent particles are guided into the collecting box through the blanking port on the arc-shaped material guiding part, technicians can regularly control the winding roller to drive so as to realize the regular replacement of the magnetic adsorbent particles in the, roll up the in-process of roller pivoted and can drive the ration guide roll and rotate, at this moment, the magnetic adsorbent granule of adsorbent storage intracavity alright smoothly leading-in to the interim storage portion of material to accomplish the change of magnetic adsorbent granule, need not the manual work and turn over the collection with the magnetic adsorbent granule of saturation from soil, collect the box and can follow the collecting box and pull out, so that regularly clean.
(4) The annular chamber is close to top portion and inlays to establish and installs waterproof ventilated membrane, waterproof ventilated membrane is located feed liquor pipe top, gas storage cavity and stock solution chamber that distributes about waterproof ventilated membrane separates into the annular chamber, desorption liquid is filled in the stock solution intracavity, air intake mechanism's bottom is leading-in to the gas storage intracavity, desorption liquid storage in the stock solution intracavity from feed liquor pipe leading-in, desorption liquid is outwards permeated through the individual layer filter membrane of distributing on storage cylinder lateral wall and is derived, desorption liquid permeates back and soil reaction in soil, release the metal ion in the soil, the metal ion that flows in the aqueous solution is adsorbed by the magnetic adsorbent granule in the adsorption plate at last.
(5) Air inlet mechanism establishes the sealed lid of installing in storage section of thick bamboo top portion including the cover, the upper end is all inserted and is equipped with the intake pipe about sealed lid, the bottom of two intake pipes all runs through sealed lid and extends to in the gas storage cavity, and the top portion of two intake pipes installs the air duct, the air inlet has been seted up on the air duct, install gaseous check valve in the air inlet, the air inlet is continuous leading-in to the gas storage cavity with outside air source, the gas in the gas storage cavity sees through waterproof ventilated membrane leading-in to the liquid storage cavity, easily aggravate drive mechanism's mobile infiltration, and the gas that flows in soil still does benefit to and drives metal ion and.
(6) Many fibre drainage cotton of fixedly connected with on the outer end lateral wall of multiunit individual layer filter membrane, fibre drainage cotton has superstrong hydroscopicity, and it is buried underground in soil after, easily spreads drive mechanism in soil.
Drawings
FIG. 1 is a perspective view of the invention;
FIG. 2 is an internal cross-sectional view of the invention;
FIG. 3 is an internal cross-sectional view of the joint of the storage cylinder and the pre-buried seat of the present invention;
FIG. 4 is a perspective view of the electromagnetic deflector of the invention;
FIG. 5 is a schematic view of the structure of the magnetic conduction conveyor belt of the present invention;
FIG. 6 is a side sectional view of the joint of the storage cylinder and the pre-buried seat of the present invention;
fig. 7 is a perspective view of a cartridge of the present invention.
The reference numbers in the figures illustrate:
1 pre-buried seat, 2 adsorption plates, 3 storage barrels, 301 adsorbent storage cavities, 302 liquid storage cavities, 303 gas storage cavities, 4 collecting boxes, 5 unwinding rollers, 6 electromagnetic guide plates, 7 magnetic conduction conveyor belts, 8 magnetic adsorbent particles, 9 winding rollers, 10 arc-shaped material guide parts, 11 collecting boxes, 12 waterproof breathable films, 13 liquid inlet pipes, 14 gas inlet pipes, 15 gas inlets, 16 single-layer filter membranes, 18 quantitative guide rollers and 19 fiber drainage cotton.
Detailed Description
The drawings in the following are incorporated in the embodiments of the invention; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the inventive embodiments; but not all embodiments, are based on the embodiments in the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-5, a pre-buried soil heavy metal adsorption transfer device comprises a pre-buried seat 1 and an adsorption plate 2 fixedly connected to one side of the upper end of the pre-buried seat 1, a collection box 4 is fixedly connected to the upper end of the adsorption plate 2, a storage barrel 3 is fixedly connected to one side of the pre-buried seat 1, the connection positions of the pre-buried seat 1, the adsorption plate 2 and the storage barrel 3 are communicated in pairs, an unwinding roller 5 and a winding roller 9 which are matched with each other are respectively installed inside one side of the pre-buried seat 1 close to the storage barrel 3 and inside the collection box 4, a magnetic conduction conveyor belt 7 is connected between the unwinding roller 5 and the winding roller 9 in a transmission manner, an electromagnetic guide plate 6 which is matched with the magnetic conduction conveyor belt 7 is fixedly connected among the pre-buried seat 1, the adsorption plate 2 and the collection box 4, the magnetic conduction conveyor belt 7 is sleeved on the outer end surface of, when the electromagnetic guide plate 6 is electrified and magnetized, the bottom end part of the magnetic conduction conveyor belt 7 is also magnetized, the outer end side wall of one side of the adsorption plate 2, which is far away from the electromagnetic guide plate 6, is provided with an adsorption mesh, the inside of the storage barrel 3 is provided with an adsorbent storage cavity 301, the inside of the adsorbent storage cavity 301 is filled with a plurality of magnetic adsorbent particles 8, the bottom end part of the adsorbent storage cavity 301 is rotatably connected with a quantitative guide roller 18 in transmission connection with the unwinding roller 5, the bottom end of the adsorbent storage cavity 301 is communicated with the inner bottom of the embedded seat 1 through a conical material guide channel, in the transmission process of the magnetic conduction conveyor belt 7, the magnetic adsorbent particles 8 in the adsorbent storage cavity 301 are guided into the embedded seat 1 and are adsorbed by the bottom end part of the magnetic conduction conveyor belt 7, and the magnetic adsorbent particles 8 in the adsorption plate 2 form a metal ion adsorption surface to adsorb heavy metal ions in soil.
Referring to fig. 2-3, specifically, a material temporary storage portion is disposed inside the pre-buried seat 1, the tapered material guiding channel is communicated with the material temporary storage portion, the material temporary storage portion is located on one side of the inner end of the unwinding roller 5, and the magnetic conductive conveyor belt 7 is located above the bottom end portion of the tapered material guiding channel, so as to guide the magnetic adsorbent particles 8 in the adsorbent storage cavity 301 on one side into the pre-buried seat 1, and guide the magnetic adsorbent particles 8 led downwards to the bottom end portion of the magnetic conductive conveyor belt 7 through the tapered material guiding structure, so that after the electromagnetic guide plate 6 is powered on, the magnetic conductive conveyor belt 7 can adsorb the magnetic adsorbent particles 8 at the bottom end thereof in the transmission process, and after adsorbing the magnetic adsorbent particles 8, the magnetic adsorbent particles are brought into the adsorption plate 2 to complete subsequent adsorption of heavy metals and other pollutants in the soil.
Referring to fig. 6, the quantitative guide roller 18 is in transmission connection with the magnetic conduction conveyor belt 7 through a transmission mechanism, the transmission mechanism comprises transmission wheels fixedly mounted on rotating shafts at one ends of the quantitative guide roller 18 and the magnetic conduction conveyor belt 7, the two transmission wheels are in transmission connection through a transmission belt, and the unwinding roller 5 and the quantitative guide roller 18 synchronously rotate, so that the magnetic adsorbent particles 8 in the adsorbent storage cavity 301 are guided into the temporary material storage portion in the transmission process of the magnetic conduction conveyor belt 7, and when the magnetic conduction conveyor belt 7 stops rotating, the quantitative guide roller 18 plays a limiting role in limiting the magnetic adsorbent particles 8 in the adsorbent storage cavity 301 to a certain extent.
Referring to fig. 2, an arc-shaped material guiding portion 10 corresponding to the position of the wind-up roller 9 is fixedly installed inside the collecting box 4, a collecting box 11 is slidably installed at the inner bottom of the collecting box 4, a material dropping port communicating with the upper end of the collecting box 11 is formed at the inner bottom end of the arc-shaped material guiding portion 10, the top end portion of the electromagnetic guide plate 6 is located at one side of the wind-up roller 9, after the magnetic conductive conveyor belt 7 adsorbing the magnetic adsorbent particles 8 is driven on the wind-up roller 9, because the magnetic conductive electromagnetic guide plate 6 is arranged at the position of the wind-up roller 9, at this time, the magnetic conductive conveyor belt 7 does not adsorb the magnetic adsorbent particles 8, so that the magnetic adsorbent particles 8 on the wind-up roller 9 of the magnetic conductive conveyor belt 7 are demagnetized, the arc-shaped material guiding portion 10 guides the falling magnetic adsorbent particles 8, and finally is guided into the collecting box 11 through the material dropping port on the arc-, technical staff accessible periodic control wind-up roll 9 transmits, change with the magnetic adsorbent granule 8 of realizing regularly in to adsorption plate 2, can drive quantitative guide roll 18 and rotate unreeling 5 pivoted in-process, at this moment, magnetic adsorbent granule 8 in the adsorbent storage cavity 301 alright smoothly leading-in to the interim storage portion of material, change with accomplishing magnetic adsorbent granule 8, need not the manual work and turn over out the collection with saturated magnetic adsorbent granule 8 from soil, collect box 11 and can follow collecting box 4 and pull out, so that regular cleaning.
Referring to fig. 2 and 7, an annular cavity is formed in the inner wall of the outer side of the storage cylinder 3, a liquid inlet pipe 13 communicated with the inside of the storage cylinder 3 is fixedly connected to the outer side wall of the upper end of the storage cylinder 3, desorption liquid 17 is filled in the annular cavity, a plurality of single-layer filter membranes 16 are arranged on the outer side wall of the storage cylinder 3, a plurality of fiber drainage cotton 19 is fixedly connected to the outer side wall of the single-layer filter membranes 16, the fiber drainage cotton 19 has super water absorbability, and after the fiber drainage cotton is buried in soil, the desorption liquid 17 is easy to diffuse in the soil, and an air inlet mechanism is fixedly installed at the.
The annular cavity is close to the top end portion and inlays to be established and install waterproof ventilated membrane 12, waterproof ventilated membrane 12 is located liquid inlet pipe 13 top, gas storage cavity 303 and liquid storage cavity 302 that distribute from top to bottom are separated into to waterproof ventilated membrane 12 annular cavity, desorption liquid 17 is filled in liquid storage cavity 302, the bottom of air inlet mechanism is leading-in to gas storage cavity 303, desorption liquid 17 leading-in from liquid inlet pipe 13 is stored in liquid storage cavity 302, desorption liquid 17 is exported through the outward infiltration of the individual layer filter membrane 16 who distributes on storage cylinder 3 lateral wall, desorption liquid 17 reacts with soil after permeating in soil, release the metal ion in the soil, the metal ion that flows in the aqueous solution is adsorbed by magnetic adsorbent granule 8 in adsorption plate 2 at last.
Wherein, air inlet mechanism establishes the sealed lid of installing in storage cylinder 3 top portion including the cover, the upper end is all inserted and is equipped with intake pipe 14 about sealed lid, sealed covering is equipped with the feed inlet that is linked together with adsorbent storage cavity 301, a feeding for magnetic adsorbent granule 8, the bottom of two intake pipe 14 all runs through sealed lid and extends to in the gas storage cavity 303, and the air duct is installed in the top portion of two intake pipe 14, air inlet 15 has been seted up on the air duct, install gaseous check valve in the air inlet 15, air inlet 15 is constantly leading-in to the gas storage cavity 303 with outside air source, gas in the gas storage cavity 303 sees through in waterproof ventilated membrane 12 channels to the liquid storage cavity 302, the easy aggravation desorption liquid 17's that flows infiltration that flows, and the gas that flows in soil still does benefit to drive metal ion and flows, effectively improve.
In addition, it is necessary to supplement that the magnetic adsorbent particles 8 are hollow adsorption gel, the interior of the hollow adsorption gel is wrapped with magnetic conductive balls magnetically attracted with the electromagnetic guide plate 6, the outer surface of the hollow adsorption gel is coated with titanium dioxide coating liquid, and the desorption liquid 17 includes but is not limited to one or more of electrolyte solution, weak acid solution and chelating agent.
The bottom end of the storage barrel 3 is fixedly connected with the embedded seat 1 through the connecting seat, the bottom ends of the connecting seat and the embedded seat 1 are highly connected with embedded rods, the stability of the device in soil is enhanced, and the collecting box 4 and the storage barrel are exposed on the bottom surface, so that the operation of technicians is facilitated.
According to the scheme, the magnetic adsorbent particles 8 capable of being driven along with the magnetic conduction conveyor belt 7 are arranged, the magnetic adsorbent particles 8 in the adsorption plate 2 form a metal ion adsorption surface, after a certain period of time, the adsorption surface is saturated in adsorption, at the moment, the magnetic adsorbent particles 8 saturated in adsorption are upwards driven into the collection box 4 for collection through the conveying of the magnetic conduction conveyor belt 7, the magnetic adsorbent particles 8 which are newly led out are adsorbed on the conveyed magnetic conduction conveyor belt 7 again to form a new adsorption surface, the collection and the re-embedding of the adsorbent are not required to be carried out manually for multiple times, in addition, desorption liquid 17 and air are led in, the desorption liquid 17 permeates into soil and then reacts with the soil, metal ions in the soil are released, and the metal ions flowing in the water solution are finally adsorbed by the magnetic adsorbent particles 8 in the adsorption plate 2, on one hand, the introduced gas aggravates the mobility of the desorption liquid 17, on the other hand, the gas is beneficial to driving metal ions to flow after penetrating into the soil, and the adsorption effect is effectively improved.
All the components used in the invention are general standard components or components known to those skilled in the art, and the structure and principle of the components can be known to those skilled in the art through technical manuals or through routine experiments.
The above; are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art will be within the technical scope of the invention disclosed; according to the technical scheme of the invention and the improved concept, equivalent substitutions or changes are made; are intended to be covered by the scope of the invention.
Claims (10)
1. The utility model provides a pre-buried formula soil heavy metal adsorbs transfer device, includes adsorption plate (2) of pre-buried seat (1) upper end one side of pre-buried seat (1) and fixed connection, the upper end fixedly connected with collecting box (4) of adsorption plate (2), one side fixedly connected with storage section of thick bamboo (3) of pre-buried seat (1), its characterized in that: the mutual connection parts of the pre-buried seat (1), the adsorption plate (2) and the storage cylinder (3) are communicated in pairs, an unwinding roller (5) and a winding roller (9) which are matched with each other are respectively installed inside one side, close to the storage cylinder (3), of the pre-buried seat (1) and inside the collection box (4), a magnetic conduction conveyor belt (7) is connected between the unwinding roller (5) and the winding roller (9) in a transmission mode, an electromagnetic guide plate (6) matched with the magnetic conduction conveyor belt (7) in position is fixedly connected among the pre-buried seat (1), the adsorption plate (2) and the collection box (4), the magnetic conduction conveyor belt (7) is sleeved on the outer end face of the electromagnetic guide plate (6) in a sliding mode, and an adsorption mesh hole is formed in the outer end wall of one side, far away from the electromagnetic guide plate (6), of;
adsorbent storage chamber (301) have been seted up to the inside of storage section of thick bamboo (3), adsorbent storage chamber (301) inside packing has a plurality of magnetic adsorbent granule (8), the bottom portion of adsorbent storage chamber (301) rotates and is connected with quantitative guide roll (18) of being connected with unreeling roller (5) transmission, and the bottom of adsorbent storage chamber (301) is linked together through toper guide passageway with the interior bottom of pre-buried seat (1), the annular chamber has been seted up to the outside inner wall of storage section of thick bamboo (3), fixedly connected with and its inside feed liquor pipe (13) that are linked together on the lateral wall that is close to the upper end of storage section of thick bamboo (3), the annular intracavity packing has desorption liquid (17), be equipped with a plurality of individual layer filter membrane (16) on the lateral wall of storage section of thick bamboo (3), the top portion fixed mounting of storage section of thick bamboo (3) has the mechanism of admitting.
2. The pre-buried soil heavy metal adsorption and transfer device of claim 1, which is characterized in that: the material temporary storage part is arranged inside the embedded seat (1), the conical material guide channel is communicated with the material temporary storage part, the material temporary storage part is positioned on one side of the inner end of the unwinding roller (5), and the magnetic conduction conveyor belt (7) is positioned above the bottom end part of the conical material guide channel.
3. The pre-buried soil heavy metal adsorption and transfer device of claim 1, which is characterized in that: the inner fixed mounting of collecting box (4) has and wind-up roll (9) position corresponds arc guide portion (10), the interior bottom slidable mounting of collecting box (4) has collection box (11), the blanking mouth that communicates with collection box (11) upper end portion is seted up to the interior bottom end of arc guide portion (10).
4. The pre-buried soil heavy metal adsorption and transfer device of claim 1, which is characterized in that: the quantitative guide roller (18) is in transmission connection with the magnetic conduction conveying belt (7) through a transmission mechanism, the transmission mechanism comprises transmission wheels fixedly installed on a rotating shaft at one end of the quantitative guide roller (18) and one end of the magnetic conduction conveying belt (7), and the two transmission wheels are in transmission connection through a transmission belt.
5. The pre-buried soil heavy metal adsorption and transfer device of claim 1, which is characterized in that: the annular chamber is close to top portion and inlays to establish and installs waterproof ventilated membrane (12), waterproof ventilated membrane (12) are located feed liquor pipe (13) top, waterproof ventilated membrane (12) separate annular chamber into gas storage chamber (303) and stock solution chamber (302) that distribute from top to bottom, desorption liquid (17) are filled in stock solution chamber (302), the leading-in to gas storage chamber (303) in bottom of mechanism of admitting air.
6. The pre-buried soil heavy metal adsorption and transfer device of claim 5, wherein: air inlet mechanism establishes the sealed lid of installing in storage cylinder (3) top portion including the cover, upper end all inserts and is equipped with intake pipe (14), two about sealed lid the bottom of intake pipe (14) all runs through sealed lid and extends to in gas storage chamber (303), and the top portion of two intake pipe (14) installs the air duct, air inlet (15) have been seted up on the air duct, install gaseous check valve in air inlet (15).
7. The pre-buried soil heavy metal adsorption and transfer device of claim 6, which is characterized in that: the magnetic adsorbent particles (8) are hollow adsorption gel, magnetic guide balls magnetically attracted with the electromagnetic guide plate (6) are wrapped inside the hollow adsorption gel, and the outer surface of the hollow adsorption gel is coated with titanium dioxide coating liquid.
8. The pre-buried soil heavy metal adsorption and transfer device of claim 1, which is characterized in that: the desorption solution (17) includes but is not limited to one or more of electrolyte solution, weak acid solution and chelating agent.
9. The pre-buried soil heavy metal adsorption and transfer device of claim 1, which is characterized in that: the outer end side walls of the multiple groups of single-layer filter membranes (16) are fixedly connected with a plurality of fiber drainage cotton (19).
10. The pre-buried soil heavy metal adsorption and transfer device of claim 1, which is characterized in that: the bottom end of the storage barrel (3) is fixedly connected with the embedded seat (1) through a connecting seat, and the connecting seat is highly connected with an embedded rod at the bottom end of the embedded seat (1).
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