CN112275452B - Efficient recycling method for fluorite ore mining tailings - Google Patents
Efficient recycling method for fluorite ore mining tailings Download PDFInfo
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- CN112275452B CN112275452B CN202011072002.3A CN202011072002A CN112275452B CN 112275452 B CN112275452 B CN 112275452B CN 202011072002 A CN202011072002 A CN 202011072002A CN 112275452 B CN112275452 B CN 112275452B
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- 238000000034 method Methods 0.000 title claims abstract description 42
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 title claims abstract description 30
- 239000010436 fluorite Substances 0.000 title claims abstract description 30
- 238000004064 recycling Methods 0.000 title claims abstract description 16
- 238000005065 mining Methods 0.000 title claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 208
- 238000001914 filtration Methods 0.000 claims abstract description 87
- 238000001035 drying Methods 0.000 claims abstract description 77
- 239000002131 composite material Substances 0.000 claims abstract description 48
- 239000000945 filler Substances 0.000 claims description 51
- 239000000843 powder Substances 0.000 claims description 47
- 239000000463 material Substances 0.000 claims description 40
- PPQREHKVAOVYBT-UHFFFAOYSA-H dialuminum;tricarbonate Chemical compound [Al+3].[Al+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O PPQREHKVAOVYBT-UHFFFAOYSA-H 0.000 claims description 22
- 229920000742 Cotton Polymers 0.000 claims description 18
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 17
- 229910052708 sodium Inorganic materials 0.000 claims description 17
- 239000011734 sodium Substances 0.000 claims description 17
- 238000012856 packing Methods 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 229940118662 aluminum carbonate Drugs 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 11
- 239000006185 dispersion Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 230000001737 promoting effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000009834 vaporization Methods 0.000 claims description 3
- 230000008016 vaporization Effects 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 abstract description 13
- 239000007789 gas Substances 0.000 description 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 5
- 238000005188 flotation Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/08—Subsequent treatment of concentrated product
- B03D1/10—Removing adhering liquid from separated materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a method for efficiently recycling fluorite mine tailing, which belongs to the technical field of fluorite mine tailing recycling, and is characterized in that the tailing is placed in a self-filtering drying box in a layered manner, so that the moisture in the tailing is automatically gathered in a plurality of water filtering composite layers from top to bottom, the water filtering composite layers gradually sink downwards along with the gathering of the moisture, the lower-layer tailing is extruded, the water filtering of the lower-layer tailing is continuously promoted, meanwhile, an air-guiding drying rod is in contact with the moisture in the water filtering composite layers to react in the water filtering process, a large amount of gas is generated and heat is released, the vibration of the air-guiding drying rod is caused, on one hand, the moisture is consumed, on the other hand, the heat flow and the vibration are released in the lower-layer tailing through the air-guiding drying rod, the drying and water filtering processes of the lower-layer tailing are accelerated, and therefore, the storage of the tailing and the collection of waste water are combined, the process of efficiently drying the tailings and recycling the wastewater is automatically realized in the tailing storage process.
Description
Technical Field
The invention relates to the technical field of fluorite ore tailing recovery, in particular to a high-efficiency recovery and utilization method of fluorite ore mining tailing.
Background
The fluorite tailing waste residue is a powdery solid waste remained after ball milling and flotation exploitation of fluorite ores, and the detailed flow is as follows: the fluorite tailings enter a ball mill for grinding, the concentration of the ore pulp is maintained within a proper range, then the fluorite tailings enter a spiral classifier for classification, unqualified ore pulp returns to the ball mill for re-grinding, the ore pulp material meeting the conditions enters a stirring barrel, proper inhibitor (KZ-2), collecting agent (KY-108) and the like are added into the ore pulp in the stirring barrel, after the mixture is uniformly stirred, the mixture is sent into a flotation machine for full reaction, then the fluorite concentrate with higher grade can be obtained, finally the fluorite concentrate with high efficiency enters a concentration machine for concentration, and then the fluorite concentrate is sent into a drying machine for drying and dewatering.
Besides flotation reagents and heavy metal ions, the fluorite tailing waste residues also contain a large amount of water, and a large amount of flotation reagents and heavy metal ions are mixed in the water to form wastewater, so that the wastewater contains a large amount of recoverable resources, and when the fluorite tailing waste residues are recovered, the wastewater contained in the fluorite tailing waste residues needs to be collected and recovered.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a method for efficiently recycling fluorite mine mining tailings, which comprises the steps of placing tailings containing moisture in a self-filtering water drying box in layers, enabling the moisture in the tailings to be automatically accumulated in a plurality of water filtering composite layers from top to bottom, enabling the water filtering composite layers to gradually sink downwards along with the accumulation of the moisture, extruding the tailings at the lower layer, continuously promoting the water filtering of the tailings at the lower layer, simultaneously, in the water filtering process, an air-guiding drying rod is in contact with the moisture in the water filtering composite layers to react to generate a large amount of gas and release heat, causing the vibration of the air-guiding drying rod per se, consuming the moisture in the water filtering composite layers on one hand, reducing the accumulation of the moisture on the other hand, releasing heat flow and vibration in the tailings at the lower layer through the air-guiding drying rod, accelerating the drying and water filtering process of the tailings at the lower layer, therefore, the invention combines the tailing storage and the waste water collection, and automatically realizes the efficient drying and waste water recovery processes of the tailing in the tailing storage process.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A method for efficiently recycling fluorite mine mining tailings comprises the following steps:
s1, collecting tailings after the mining production of the fluorite ore, putting the tailings into a self-filtering water drying box for drying and storage, and placing the tailings layer by layer through a plurality of water filtering composite layers in the self-filtering water drying box;
s2, automatically collecting water in the tailings in a water filtering composite layer from top to bottom, sinking the water filtering composite layer downwards along with the increase of water quantity, and extruding the tailings stored at the lower layer to promote the water filtering of the tailings;
s3, after water is gathered on the water filtering composite layer, the air-guiding type drying rod at the lower end of the water filtering composite layer reacts with water to generate a large amount of gas and release heat, the water in the water filtering composite layer is consumed, and meanwhile, the air-guiding type drying rod vibrates due to the rapid generation of the gas;
s4, enabling heat flow sprayed by the air-guiding type drying rod to enter the lower-layer tailings, driving the moisture in the tailings to flow by the heat flow, heating the moisture, promoting the vaporization of the water, and accelerating the drying of the lower-layer tailings;
s5, vibrating the air-guide drying rod in the tailings to shake the tailings, wherein the moisture in the tailings can flow downwards at an accelerated speed under the vibration condition, and water filtering of the tailings at the lower layer is promoted.
The invention arranges the tailings containing moisture in the self-filtering water drying box in layers, so that the moisture in the tailings is automatically gathered in a plurality of water filtering composite layers from top to bottom, and the water filtering composite layers gradually sink downwards along with the gathering of the moisture, the lower-layer tailings are extruded, the water filtration of the lower-layer tailings is continuously promoted, and meanwhile, in the water filtration process, the air-guiding drying rod contacts with the water in the water filtering composite layer to react to generate a large amount of gas and release heat, and the self vibration of the air-guiding drying rod is caused, on one hand, the water in the water filtering composite layer is consumed, the water accumulation is reduced, on the other hand, the air-guiding drying rod releases heat flow and vibration in the lower-layer tailings to accelerate the drying and water filtering process of the lower-layer tailings, therefore, the invention combines the tailing storage and the waste water collection, and automatically realizes the efficient drying and waste water recovery processes of the tailing in the tailing storage process.
Furthermore, the self-filtering drying box comprises a shell, a plurality of water filtering composite layers are uniformly distributed in the shell from top to bottom, each water filtering composite layer comprises a filter plate, a filler screen plate and an elastic water collecting bag, the filter plates, the filler screen plates and the elastic water collecting bags are sequentially distributed from top to bottom, the filler screen plates are fixedly connected between the filter plates and the elastic water collecting bags, a plurality of air-guiding drying rods are uniformly distributed at the lower sides of the water filtering composite layers, each air-guiding drying rod comprises a sealed outer cylinder fixedly connected to the lower end of the elastic water collecting bag, water absorbing cotton is arranged on the inner side of the sealed outer cylinder, the upper end of the water absorbing cotton penetrates through the elastic water collecting bags and is fixedly connected with the inner parts of the elastic water collecting bags, a hollow filler rod is arranged on the inner side of the water absorbing cotton, the inner end of the water absorbing cotton contacts with the outer end of the hollow filler rod, and the upper end of the hollow filler rod is fixedly connected with the lower end of the filler screen plate, the water-absorbing cotton is characterized in that a plurality of uniformly distributed water guide holes are formed in the hollow filler rod, reaction powder is filled in the hollow filler rod, a plurality of uniformly distributed main air dispersing holes are formed in the side end of the sealing outer cylinder, a plurality of uniformly distributed auxiliary air dispersing holes are formed in the lower end of the sealing outer cylinder, tailings are placed at the upper ends of the filter plates in a layered mode when the water-absorbing cotton is used, the air-guiding type drying rod extends into the tailings at the lower layer, water in the tailings is automatically and gradually gathered in the elastic water collecting bag through the filter plates and the filler screen plates, the elastic water collecting bag gradually sinks downwards along with the increase of water amount, the tailings at the lower side are extruded, the water filtering process of the tailings at the lower layer is promoted, meanwhile, the water-absorbing cotton absorbs the water in the elastic water collecting bag and transmits the water to the hollow filler rod, the water is in contact with the reaction powder through the water guide holes to react, a large amount of gas is produced, and simultaneously releases heat, the heat current passes through the inboard that the water guide hole got into sealed urceolus, release to inside the lower floor tailings through main scattered gas pocket and vice scattered gas pocket respectively afterwards, on the one hand the heat current can promote the evaporation of the inside moisture of tailings, make things convenient for the inside drying of tailings, on the other hand, the heat current can accelerate the flow of moisture, make the quick downward flow gathering of moisture in elasticity water-collecting bag, and, a large amount of heat currents are when scattering from 801), can produce the impact to the inner wall of sealed urceolus, thereby cause the vibration of sealed urceolus, through the vibration of sealed urceolus in the tailings is inside, make moisture can accelerate the downward flow under the tailings vibration condition, thereby promote the drainage process of tailings.
Further, the outer end fixedly connected with of sealed urceolus has a plurality of evenly distributed's heat conduction stick, and the heat that the reaction powder reaction produced can be more even through heat conduction stick to the tailing inside heat on the heat conduction stick is transmitted through sealed urceolus.
Furthermore, the filler net plate comprises a clip frame fixedly connected with the inner wall of the shell, a clip cavity is formed in the clip frame, a plurality of main material guide pipes and auxiliary material guide pipes which are uniformly distributed and communicated with the clip cavity are fixedly connected to the inner wall of the clip frame, the main material guide pipes and the auxiliary material guide pipes are distributed in a cross shape and fixedly connected with each other, the inner parts of the main material guide pipes and the auxiliary material guide pipes are communicated, a plurality of hollow filler rods are fixedly connected to the intersection of the main material guide pipes and the auxiliary material guide pipes respectively, and the hollow filler rods are communicated with the main material guide pipes.
Furthermore, the side end of the hollow filler rod is fixedly connected with an injection pipe, the injection pipe penetrates through the inner wall of the shell and is fixedly connected with the inside of the shell, the outer end of the injection pipe is in threaded connection with a pipe cover, after the hollow filler rod is used for a period of time, the reaction powder inside the hollow filler rod is gradually reduced, the reaction powder is injected into the hollow cavity through the injection pipe, the reaction powder can enter the inside of the hollow filler rod through the main guide pipe and the auxiliary guide pipe, the supplement of the reaction powder inside the hollow filler rod is realized, when the residue after the reaction of the reaction powder needs to be recovered, the air inside the hollow cavity can be extracted through the injection pipe, the residue inside the hollow filler rod is extracted along with the air flow, and finally, the hollow cavity and the inside of the hollow filler rod can be filled with new reaction powder.
Further, the lower extreme fixedly connected with aqueduct of elasticity water collection bag, the aqueduct run through the shell inner wall and with the inside fixed connection of shell, the side fixedly connected with Z shape drain pipe of shell, the one end and the Z shape drain pipe fixed connection that elasticity water collection bag was kept away from to the aqueduct, and the aqueduct communicates with each other with the Z shape drain pipe, the lower extreme threaded connection of Z shape drain pipe has sealed lid, after the inside a large amount of moisture that has gathered of elasticity water collection bag, opens the sealed lid on the Z shape drain pipe, and the moisture in the elasticity water collection bag is collected in the Z shape drain pipe through the aqueduct, retrieves through port under the Z shape drain pipe afterwards.
Furthermore, the one end that Z shape drain pipe was kept away from to the shell articulates there is the chamber door, the outer end fixedly connected with handle of chamber door opens the chamber door and conveniently saves and take out the tailings.
Further, the reaction powder is formed by mixing aluminum carbonate powder and sodium powder, the mass ratio of the aluminum carbonate powder to the sodium powder is 3-4:1, the aluminum carbonate is decomposed when meeting water to generate carbon dioxide, the sodium reacts with the water to generate oxygen, and simultaneously a large amount of heat is released, so that the content of the sodium is reasonably controlled, the heat generated by the sodium and the water is not easy to be too high, and the normal use of the air-guiding drying rod is not easy to be influenced.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the proposal is that the tailings containing water are layered and placed in the self-filtering water drying box, so that the water in the tailings is automatically gathered in a plurality of water filtering composite layers from top to bottom, and the water filtering composite layers sink downwards gradually along with the gathering of the water, the lower-layer tailings are extruded, the water filtration of the lower-layer tailings is continuously promoted, and meanwhile, in the water filtration process, the air-guiding drying rod contacts with the water in the water filtering composite layer to react to generate a large amount of gas and release heat, and the self vibration of the air-guiding drying rod is caused, on one hand, the water in the water filtering composite layer is consumed, the water accumulation is reduced, on the other hand, the air-guiding drying rod releases heat flow and vibration in the lower-layer tailings, so that the drying and water filtering processes of the lower-layer tailings are accelerated, therefore, the invention combines the tailing storage and the waste water collection, and automatically realizes the efficient drying and waste water recovery processes of the tailing in the tailing storage process.
(2) When in use, the tailings are placed at the upper ends of the filter plates in layers, the air-guiding type drying rod extends into the tailings at the lower layer, water in the tailings is automatically and gradually gathered in the elastic water collecting bag through the filter plates and the filler screen plates, the elastic water collecting bag gradually sinks downwards along with the increase of water amount, the tailings at the lower side are extruded, the water filtering process of the tailings at the lower layer is promoted, meanwhile, the water absorbing cotton absorbs the water in the elastic water collecting bag and transfers the water to the hollow filler rod, the water is contacted and reacted with reaction powder through the water guide holes, a large amount of gas is produced and simultaneously releases heat, heat flow enters the inner side of the sealed outer barrel through the water guide holes and then is released into the tailings at the lower layer through the main air dispersing holes and the auxiliary air dispersing holes respectively, on one hand, the heat flow can promote the evaporation of the water in the tailings and facilitate the drying of the tailings, on the other hand, the heat flow can accelerate the flow of the water, the water rapidly flows downwards and is gathered in the elastic water collecting bag, and when a large amount of heat flow is dispersed from 801), impact is generated on the inner wall of the sealed outer cylinder, so that the vibration of the sealed outer cylinder is caused, and the water can flow downwards in an accelerated manner under the vibration condition of tailings through the vibration of the sealed outer cylinder in the tailings, so that the water filtering process of the tailings is promoted.
(3) The outer end fixedly connected with of sealed urceolus has a plurality of evenly distributed's heat conduction stick, and the heat that the reaction powder reaction produced can be more even through heat conduction stick to the heating of tailings inside on the heat conduction stick is transmitted to through sealed urceolus.
(4) After using a period of time, the inside reaction powder of hollow filler rod reduces gradually, pour into the die cavity back to the reaction powder through annotating the material pipe, the reaction powder can get into the inside of hollow filler rod through leading material pipe and vice passage, realize the replenishment to the inside reaction powder of hollow filler rod, when the residue after the reaction powder reaction needs to be retrieved, the inside air of die cavity is got back in the pump of accessible notes material pipe, the residue in the hollow filler rod is taken out along with the air current, can fill new reaction powder to die cavity back and hollow filler rod inside at last.
(5) The lower extreme fixedly connected with aqueduct of elasticity water collection bag, the aqueduct run through the shell inner wall and with the inside fixed connection of shell, the side fixedly connected with Z shape drain pipe of shell, the one end and the Z shape drain pipe fixed connection that elasticity water collection bag was kept away from to the aqueduct, and the aqueduct communicates with each other with Z shape drain pipe, the lower extreme threaded connection of Z shape drain pipe has sealed lid, after elasticity water collection bag inside gathered a large amount of moisture, open the sealed lid on the Z shape drain pipe, moisture in the elasticity water collection bag is collected in Z shape drain pipe through the aqueduct, port is retrieved under the Z shape drain pipe afterwards.
(6) The reaction powder is formed by mixing aluminum carbonate powder and sodium powder, the mass ratio of the aluminum carbonate powder to the sodium powder is 3-4:1, the aluminum carbonate is decomposed when meeting water to generate carbon dioxide, the sodium reacts with the water to generate oxygen, and simultaneously a large amount of heat is released, so that the content of the sodium is reasonably controlled, the heat generated by the sodium and the water is not easy to be too high, and the normal use of the air-guiding drying rod is not easy to be influenced.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic front view of the self-draining water drying cabinet of the present invention;
FIG. 3 is a schematic front view of the self-draining water drying cabinet of the present invention when not in use;
FIG. 4 is a schematic view of the structure at A in FIG. 3;
FIG. 5 is a schematic diagram of the front configuration of a hollow filler rod of the present invention;
FIG. 6 is a schematic top view of a filler screen of the present invention;
fig. 7 is a schematic partial elevational view of a water-filtering composite layer of the present invention during water filtration;
FIG. 8 is a schematic partial front view of an air-drawn drying bar of the present invention releasing a heat flux;
fig. 9 is a front view schematically illustrating the structure of the water guide duct according to the present invention.
The reference numbers in the figures illustrate:
the device comprises a shell 1, a box door 2, a filter plate 3, a filler screen plate 4, a frame 41, a returning cavity 4101, a main guide pipe 42, an auxiliary guide pipe 43, an elastic water collecting bag 5, a sealed outer cylinder 6, a main air dispersing hole 601, an auxiliary air dispersing hole 602, absorbent cotton 7, a hollow filler rod 8, a water guide hole 801, reaction powder 9, a heat conducting rod 10, an injection pipe 11, a water guide pipe 12 and a Z-shaped drain pipe 13.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of 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 present 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 description and simplification of 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 present 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 explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1 and 2, a method for efficiently recycling fluorite mine tailings includes the following steps:
s1, collecting tailings after the fluorite ore mining production, putting the tailings into a self-filtering water drying box for drying and storage, and placing the tailings in layers through a plurality of water filtering composite layers in the self-filtering water drying box;
s2, automatically collecting water in the tailings in a water filtering composite layer from top to bottom, sinking the water filtering composite layer downwards along with the increase of water quantity, and extruding the tailings stored at the lower layer to promote the water filtering of the tailings;
s3, after water is gathered on the water filtering composite layer, the air-guiding type drying rod at the lower end of the water filtering composite layer reacts with water to generate a large amount of gas and release heat, the water in the water filtering composite layer is consumed, and meanwhile, the air-guiding type drying rod vibrates due to the rapid generation of the gas;
s4, enabling heat flow sprayed by the air-guiding type drying rod to enter the lower-layer tailings, driving the moisture in the tailings to flow by the heat flow, heating the moisture, promoting the vaporization of the water, and accelerating the drying of the lower-layer tailings;
s5, the air-guide drying rod vibrates in the tailings, so that the tailings are shaken, the moisture in the tailings can flow downwards in an accelerated manner under the vibration condition, and the water filtration of the tailings on the lower layer is promoted.
Referring to fig. 3, the self-draining drying box includes a housing 1, a plurality of water-filtering composite layers are uniformly distributed in the housing 1 from top to bottom, each water-filtering composite layer includes a filter plate 3, a filler screen plate 4 and an elastic water-collecting bag 5, the filter plates 3, the filler screen plates 4 and the elastic water-collecting bags 5 are sequentially distributed from top to bottom, the filler screen plates 4 are fixedly connected between the filter plates 3 and the elastic water-collecting bags 5, four ends of the elastic water-collecting bags 5 are connected with the filler screen plates 4, gaps are formed between the elastic water-collecting bags 5 and the filler screen plates 4 to facilitate collecting water in tailings, a plurality of air-guiding drying rods are uniformly distributed at the lower side of the water-filtering composite layers, referring to fig. 4, each air-guiding drying rod includes a sealing outer cylinder 6 fixedly connected to the lower end of the elastic water-collecting bag 5, water-absorbing cotton 7 is arranged at the inner side of the sealing outer cylinder 6, the upper end of the water-absorbing cotton 7 penetrates through the elastic water-collecting bags 5 and is fixedly connected with the interior of the elastic water-collecting bags 5, the inner side of the absorbent cotton 7 is provided with a hollow filler rod 8, the inner end of the absorbent cotton 7 is in contact with the outer end of the hollow filler rod 8, the upper end of the hollow filler rod 8 is fixedly connected with the lower end of the filler screen plate 4, please refer to fig. 5, the hollow filler rod 8 is provided with a plurality of uniformly distributed water guide holes 801, the hollow filler rod 8 is filled with reaction powder 9, the side end of the sealed outer cylinder 6 is provided with a plurality of uniformly distributed main air dispersion holes 601, and the lower end of the sealed outer cylinder 6 is provided with a plurality of uniformly distributed auxiliary air dispersion holes 602.
When the device is used, please refer to fig. 7 and 8, tailings are placed at the upper ends of the filter plates 3 in layers, the air-guiding drying rod extends into the tailings at the lower layer, moisture in the tailings is automatically and gradually gathered in the elastic water collecting bag 5 through the filter plates 3 and the filler mesh plates 4, the elastic water collecting bag 5 gradually sinks downwards along with the increase of water amount, the tailings at the lower side are squeezed, the water filtering process of the tailings at the lower layer is promoted, meanwhile, the water absorbing cotton 7 absorbs the moisture in the elastic water collecting bag 5 and transfers the moisture to the hollow filler rod 8, the moisture contacts and reacts with the reaction powder 9 through the water guide holes 801, a large amount of gas is produced along with the release of heat, heat flow enters the inner side of the sealed outer cylinder 6 through the water guide holes 801 and then is released into the tailings at the lower layer through the main air dispersing holes 601 and the auxiliary air dispersing holes 602 respectively, on one hand, the heat flow can promote the evaporation of the moisture in the tailings, make things convenient for the inside drying of tailings, on the other hand, the heat flow can accelerate the flow of moisture, makes the moisture gather in elasticity collection water bag 5 downwards fast to, when a large amount of heat flows are effluvium from 801, can produce the impact to the inner wall of sealed urceolus 6, thereby cause the vibration of sealed urceolus 6, through the vibration of sealed urceolus 6 in the tailings is inside, make moisture can accelerate downwards flow under the tailings vibration condition, thereby promote the drainage process of tailings.
The outer end fixedly connected with of sealed urceolus 6 a plurality of evenly distributed's heat conduction stick 10, the heat that the reaction of reaction powder 9 produced transmits to heat conduction stick 10 through sealed urceolus 6 on, can heat tailing inside more evenly through heat conduction stick 10.
Referring to fig. 6, the packing screen plate 4 includes a loop-shaped frame 41 fixedly connected to an inner wall of the housing 1, a loop-shaped cavity 4101 is formed in the loop-shaped frame 41, the inner wall of the loop-shaped frame 41 is fixedly connected to a plurality of main material guiding pipes 42 and auxiliary material guiding pipes 43 which are uniformly distributed and communicated with the loop-shaped cavity 4101, the main material guiding pipes 42 and the auxiliary material guiding pipes 43 are distributed in a cross shape and fixedly connected to each other, the inside of the main material guiding pipes 42 is communicated with the inside of the auxiliary material guiding pipes 43, a plurality of hollow packing rods 8 are respectively and fixedly connected to intersections of the main material guiding pipes 42 and the auxiliary material guiding pipes 43, the hollow packing rods 8 are communicated with the main material guiding pipes 42, a material injection pipe 11 is fixedly connected to a side end of the loop-shaped frame 41, the material injection pipe 11 penetrates through the inner wall of the housing 1 and is fixedly connected to the inside of the housing 1, a pipe cover is threadedly connected to an outer end of the material injection pipe 11, after a period of use, the reaction packing powder 9 in the loop-shaped cavity 4101 is gradually reduced, the reaction powder 9 can enter the hollow filler rod 8 through the main material guiding pipe 42 and the auxiliary material guiding pipe 43, so that the reaction powder 9 in the hollow filler rod 8 can be supplemented, when the residue after the reaction of the reaction powder 9 needs to be recovered, the air in the hollow cavity 4101 can be extracted through the material injection pipe 11, the residue in the hollow filler rod 8 is extracted along with the air flow, and finally, new reaction powder 9 can be filled in the hollow cavity 4101 and the hollow filler rod 8.
Referring to fig. 9, a water guide pipe 12 is fixedly connected to the lower end of the elastic water collecting bag 5, the water guide pipe 12 penetrates through the inner wall of the housing 1 and is fixedly connected with the inside of the housing 1, a Z-shaped drain pipe 13 is fixedly connected to the side end of the housing 1, one end of the water guide pipe 12, which is far away from the elastic water collecting bag 5, is fixedly connected with the Z-shaped drain pipe 13, the water guide pipe 12 is communicated with the Z-shaped drain pipe 13, a sealing cover is connected to the lower end of the Z-shaped drain pipe 13 in a threaded manner, when a large amount of water is collected in the elastic water collecting bag 5, the sealing cover on the Z-shaped drain pipe 13 is opened, the water in the elastic water collecting bag 5 is collected in the Z-shaped drain pipe 13 through the water guide pipe 12 and then is recovered through the lower port of the Z-shaped drain pipe 13, one end of the housing 1, which is far away from the Z-shaped drain pipe 13, is hinged to a door 2, a handle is fixedly connected to the outer end of the housing door 2, and the housing door 2 is opened to facilitate storage and extraction of tailings.
The reaction powder 9 is formed by mixing aluminum carbonate powder and sodium powder, the mass ratio of the aluminum carbonate powder to the sodium powder is 3:1, the aluminum carbonate is decomposed when meeting water to generate carbon dioxide, the sodium reacts with the water to generate oxygen, and simultaneously a large amount of heat is released, so that the content of the sodium is reasonably controlled, the heat generated by the sodium and the water is not easy to be too high, and the normal use of the air-guiding drying rod is not easy to be influenced.
The invention arranges the tailings containing water in the self-filtering water drying box in layers, so that the water in the tailings is automatically gathered in a plurality of water filtering composite layers from top to bottom, and the water filtering composite layers gradually sink downwards along with the gathering of the water, the lower-layer tailings are extruded, the water filtration of the lower-layer tailings is continuously promoted, and meanwhile, in the water filtration process, the air-guiding drying rod contacts with the water in the water filtering composite layer to react to generate a large amount of gas and release heat, and the self vibration of the air-guiding drying rod is caused, on one hand, the water in the water filtering composite layer is consumed, the water accumulation is reduced, on the other hand, the air-guiding drying rod releases heat flow and vibration in the lower-layer tailings to accelerate the drying and water filtering process of the lower-layer tailings, therefore, the invention combines the tailing storage and the waste water collection, and automatically realizes the efficient drying and waste water recovery processes of the tailing in the tailing storage process.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (8)
1. A method for efficiently recycling fluorite mine mining tailings is characterized by comprising the following steps: the method comprises the following steps:
s1, collecting tailings after the fluorite ore mining production, putting the tailings into a self-filtering water drying box for drying and storage, and placing the tailings in layers through a plurality of water filtering composite layers in the self-filtering water drying box;
s2, automatically collecting water in the tailings in a water filtering composite layer from top to bottom, sinking the water filtering composite layer downwards along with the increase of water quantity, and extruding the tailings stored at the lower layer to promote the water filtering of the tailings;
s3, after water is gathered on the water filtering composite layer, the air-guiding type drying rod at the lower end of the water filtering composite layer reacts with water to generate a large amount of gas and release heat, the water in the water filtering composite layer is consumed, and meanwhile, the air-guiding type drying rod vibrates due to the rapid generation of the gas;
s4, enabling heat flow sprayed by the air-guiding drying rod to enter the lower-layer tailings, driving the moisture in the tailings to flow by the heat flow, heating the moisture at the same time, promoting the vaporization of the water, and accelerating the drying of the inner part of the lower-layer tailings;
s5, vibrating the air-guide drying rod in the tailings to shake the tailings, wherein the moisture in the tailings can flow downwards at an accelerated speed under the vibration condition, so that the water filtration of the tailings at the lower layer is promoted;
wherein the water filtering composite layer comprises a filter plate (3), a packing screen plate (4) and an elastic water collecting bag (5), a plurality of air-guiding drying rods are uniformly distributed at the lower side of the water filtering composite layer, the air-guiding drying rods comprise a sealing outer barrel (6) fixedly connected with the lower end of the elastic water collecting bag (5), water absorbing cotton (7) is arranged at the inner side of the sealing outer barrel (6), the upper end of the water absorbing cotton (7) penetrates through the elastic water collecting bag (5) and is fixedly connected with the inner part of the elastic water collecting bag (5), a hollow packing rod (8) is arranged at the inner side of the water absorbing cotton (7), the inner end of the water absorbing cotton (7) is contacted with the outer end of the hollow packing rod (8), the upper end of the hollow packing rod (8) is fixedly connected with the lower end of the packing screen plate (4), a plurality of water guide holes (801) which are uniformly distributed are formed in the hollow packing rod (8), and reaction powder (9) is filled in the hollow packing rod (8), the side end of the sealing outer cylinder (6) is provided with a plurality of uniformly distributed main air dispersion holes (601), and the lower end of the sealing outer cylinder (6) is provided with a plurality of uniformly distributed auxiliary air dispersion holes (602).
2. The method for efficiently recycling the fluorite mine mining tailings according to claim 1, wherein the method comprises the following steps: the self-filtering water drying box comprises a shell (1) and a plurality of water filtering composite layers, wherein the water filtering composite layers are uniformly distributed in the shell (1) from top to bottom, the filter plates (3), the filler screen plates (4) and the elastic water collecting bags (5) are sequentially distributed from top to bottom, and the filler screen plates (4) are fixedly connected between the filter plates (3) and the elastic water collecting bags (5).
3. The method for efficiently recycling the fluorite ore mining tailings according to claim 2, wherein the method comprises the following steps: the outer end of the sealing outer cylinder (6) is fixedly connected with a plurality of heat conducting rods (10) which are uniformly distributed.
4. The method for efficiently recycling the fluorite ore mining tailings according to claim 2, wherein the method comprises the following steps: the packing net plate (4) comprises a die-returning frame (41) fixedly connected with the inner wall of the shell (1), a die-returning cavity (4101) is formed in the die-returning frame (41), a plurality of main material guiding pipes (42) and auxiliary material guiding pipes (43) which are uniformly distributed and communicated with the die-returning cavity (4101) are fixedly connected to the inner wall of the die-returning frame (41), the main material guiding pipes (42) and the auxiliary material guiding pipes (43) are distributed in a cross shape and fixedly connected with each other, the inner parts of the main material guiding pipes (42) and the inner parts of the auxiliary material guiding pipes (43) are communicated, a plurality of hollow packing rods (8) are fixedly connected to the intersection of the main material guiding pipes (42) and the auxiliary material guiding pipes (43) respectively, and the hollow packing rods (8) are communicated with the main material guiding pipes (42).
5. The method for efficiently recycling the fluorite ore mining tailings according to claim 4, wherein the method comprises the following steps: the side end of the frame (41) is fixedly connected with a material injection pipe (11), the material injection pipe (11) penetrates through the inner wall of the shell (1) and is fixedly connected with the inside of the shell (1), and the outer end of the material injection pipe (11) is in threaded connection with a pipe cover.
6. The method for efficiently recycling the fluorite ore mining tailings according to claim 2, wherein the method comprises the following steps: the lower extreme fixedly connected with aqueduct (12) of elasticity bag (5) catchments, aqueduct (12) run through shell (1) inner wall and with the inside fixed connection of shell (1), the side fixedly connected with Z shape drain pipe (13) of shell (1), the one end and the Z shape drain pipe (13) fixed connection of elasticity bag (5) are kept away from in aqueduct (12), and aqueduct (12) communicate with each other with Z shape drain pipe (13), the lower extreme threaded connection of Z shape drain pipe (13) has sealed lid.
7. The method for efficiently recycling the fluorite ore mining tailings according to claim 6, wherein the method comprises the following steps: one end, far away from the Z-shaped drain pipe (13), of the shell (1) is hinged with a box door (2), and the outer end of the box door (2) is fixedly connected with a handle.
8. The method for efficiently recycling the fluorite ore mining tailings according to claim 2, wherein the method comprises the following steps: the reaction powder (9) is formed by mixing aluminum carbonate powder and sodium powder, and the mass ratio of the aluminum carbonate powder to the sodium powder is 3-4: 1.
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| EP0257159A3 (en) * | 1986-08-21 | 1989-04-26 | Nuclear Packaging, Inc. | Dewatering nuclear wastes |
| DE10346892B4 (en) * | 2002-12-23 | 2007-03-01 | Bernd Rüdiger Kipper | Process and apparatus for the treatment of solid and liquid waste mixtures containing organic constituents |
| CN203559105U (en) * | 2013-11-25 | 2014-04-23 | 天津耀武安防科技有限公司 | Processing device for recycling rare-earth tailings |
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| US11148966B2 (en) * | 2016-01-28 | 2021-10-19 | Straatmans Holding Company Pty Ltd Acn 102 598 729 | Apparatus and method for waste and water treatment |
| CN207509426U (en) * | 2017-11-15 | 2018-06-19 | 常山兴佳液压设备有限公司 | A kind of bamboo powder bamboo scraps collection device |
| CN208600329U (en) * | 2018-07-27 | 2019-03-15 | 湖北宇隆茶业有限责任公司 | The system being cleaned and dried for tealeaves |
| CN110293115A (en) * | 2019-06-28 | 2019-10-01 | 新疆中金科瑞新能源发展股份有限公司 | A kind of two-way rapid cooling system of oily waste thermal desorption high temperature tailings |
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