CN111549232A - Cleaning and screening method and equipment for recycling neodymium iron boron waste - Google Patents
Cleaning and screening method and equipment for recycling neodymium iron boron waste Download PDFInfo
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- CN111549232A CN111549232A CN202010540418.7A CN202010540418A CN111549232A CN 111549232 A CN111549232 A CN 111549232A CN 202010540418 A CN202010540418 A CN 202010540418A CN 111549232 A CN111549232 A CN 111549232A
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- neodymium iron
- boron waste
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- 238000012216 screening Methods 0.000 title claims abstract description 97
- 239000002699 waste material Substances 0.000 title claims abstract description 88
- 229910001172 neodymium magnet Inorganic materials 0.000 title claims abstract description 62
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 238000004140 cleaning Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000004064 recycling Methods 0.000 title claims description 20
- 238000011084 recovery Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 31
- 239000002245 particle Substances 0.000 claims description 28
- 238000007790 scraping Methods 0.000 claims description 22
- 238000003756 stirring Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 238000007873 sieving Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 3
- 229910052761 rare earth metal Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/005—Separation by a physical processing technique only, e.g. by mechanical breaking
-
- 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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/102—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration with means for agitating the liquid
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B59/00—Obtaining rare earth metals
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the technical field of neodymium iron boron waste recovery, in particular to a cleaning and screening method and equipment for neodymium iron boron waste recovery. The invention has the advantage of more sufficient recovery of the neodymium iron boron waste.
Description
Technical Field
The invention relates to the technical field of neodymium iron boron waste recovery, in particular to a cleaning and screening method and equipment for neodymium iron boron waste recovery.
Background
Neodymium iron boron, which is simply a magnet, is called "maga" because of its excellent magnetic properties, unlike the magnets we see in ordinary times. Neodymium iron boron contains a large amount of rare earth elements of neodymium, iron and boron, and is hard and brittle in characteristics. The Nd-Fe-B serving as a rare earth permanent magnet material has extremely high magnetic energy and coercive force, and the advantage of high energy density enables the Nd-Fe-B permanent magnet material to be widely applied to modern industry and electronic technology, so that miniaturization, light weight and thinning of instruments, electro-acoustic motors, magnetic separation magnetization and other equipment become possible.
In the production process of the neodymium iron boron magnet, more waste materials are often generated, including cutting waste materials, sintering blanks, leftover materials, unqualified products, powder materials with serious oxidation, cutting mud materials with serious pollution and the like, and the total amount of the waste materials reaches about 30% of the total feeding material. The wastes contain a large amount of rare earth metals, so the neodymium iron boron wastes are recycled, the production cost of enterprises is reduced, the economic benefit is improved, and the method has important significance for saving resources and protecting the environment.
The existing cleaning and screening method and equipment for recycling neodymium iron boron waste are insufficient in recycling of waste, large particles in the waste can be recycled generally, and waste with small particles is discharged along with dirty water.
Disclosure of Invention
The invention aims to solve the problem that the neodymium iron boron waste is not sufficiently recycled in the prior art, and provides cleaning and screening equipment for recycling neodymium iron boron waste.
In order to achieve the purpose, the invention adopts the following technical scheme:
design, a neodymium iron boron waste recycling is with wasing screening installation, including the bottom plate, bottom plate upper surface one side fixed mounting has the curb plate, curb plate upper portion inboard surface is fixed and is equipped with first fixed plate, fixed mounting has the agitator on the first fixed plate, fixed mounting is equipped with the second fixed plate on the curb plate of first fixed plate top, fixed mounting has the motor corresponding with the agitator on the second fixed plate, the output shaft of motor passes fixedly connected with (mixing) shaft behind the second fixed plate, and the agitator shaft downwardly extending is to in the agitator, the fixed a plurality of groups of blades that are equipped with along length direction on the (mixing) shaft body surface, agitator bottom opening part is through valve fixedly connected with first discharging pipe, fixed being equipped with the third fixed plate on the curb plate of first fixed plate below, fixed mounting has the screening bucket corresponding with the agitator on the third fixed plate, screening barrel top is provided with screening mechanism, screening barrel bottom is fixed and is equipped with the second discharging pipe, bottom plate upper surface opposite side fixed mounting has the backup pad, backup pad top fixed mounting has the screening box, be provided with drainage mechanism between screening box and the second discharging pipe, be provided with corresponding screening module with it on the screening box.
Preferably, the screening module comprises support columns, cross rods, connecting columns, connecting plates, motorized pulleys, conveyor belts, mounting plates, a material receiving box, bumps, limiting plates, limiting bolts, connecting plates and a scraping assembly, wherein the two sides of the screening box are respectively provided with one cross rod, the bottom surface of each cross rod is fixedly provided with a plurality of support columns, the bottom ends of the support columns are respectively fixedly provided with a connecting plate, the connecting plates are respectively fixedly arranged on a bottom plate through screws, the inner side surface of each cross rod is fixedly provided with two connecting columns, the inner side end of each connecting column is fixedly provided with one connecting plate, two motorized pulleys are fixedly arranged between every two corresponding connecting plates, the four motorized pulleys are distributed in a rectangular shape, the conveyor belts are arranged between the four motorized pulleys in a matching manner, the outer surfaces of the conveyor belts are sprayed with magnetic coatings, and the mounting plates are, the mounting panel upper portion fixed mounting has the material subassembly of scraping that corresponds with the conveyer belt, it is provided with the lug to scrape to run through on the mounting panel of material subassembly below, fixedly connected with material receiving box on the inboard surface of lug, just material receiving box corresponds the setting with scraping the material subassembly, the mounting panel outside under the lug is fixed on the surface and is equipped with the limiting plate, pass through spacing bolt fixed connection between lug and the limiting plate.
Preferably, the scraping component comprises fixing columns, baffle plates, guide rods, a rotating shaft, scraper plates and a driving mechanism, wherein the rotating shaft is arranged on the scraper plates in a penetrating mode through threads, the guide rods are arranged on the scraper plates on two sides of the rotating shaft in a penetrating mode, the two ends of the rotating shaft are rotatably provided with the baffle plates, the two ends of the guide rods are fixedly connected to the corresponding baffle plates, the two fixing columns are fixedly arranged on the inner side surface of the forehead on the upper portion of the mounting plate, the two inner side tail ends of the fixing columns are fixedly connected to the same baffle plate, and the driving mechanism is fixedly connected to any one end of the rotating shaft after.
Preferably, actuating mechanism includes first gear, second gear, servo motor, one of pivot is served fixed mounting and is served first gear, and is adjacent fixed mounting has servo motor on the baffle, fixed mounting has the second gear with first gear engagement on servo motor's the output shaft tip.
Preferably, screening mechanism includes spout, movable sieve, handle, a spout has all been opened to screening bucket upper portion inner wall both sides, two slidable mounting has a movable sieve between the spout, fixed mounting has the handle on the movable sieve.
Preferably, the drainage mechanism includes diaphragm, riser, swash plate, be provided with the swash plate that corresponds with the screening box under the second discharging pipe, the fixed surface is equipped with the riser under the swash plate, riser bottom fixed mounting has the diaphragm, diaphragm fixed mounting is on the screening box.
Preferably, the bottom end of the second discharge pipe is sleeved with a flow guide nozzle.
The invention also provides a cleaning and screening method of the cleaning and screening device for recovering the rare neodymium iron boron waste, which comprises the following steps:
s1, pour the neodymium iron boron waste into the agitator to add water, control water and neodymium iron boron waste volume ratio is 2: 1, starting a motor to stir until the mixture is completely mixed, and turning off the motor;
s2, opening a valve, pouring the mixed liquid in the stirring barrel onto a movable sieve on a sieving barrel, intercepting the neodymium iron boron waste with larger particles by the movable sieve, dropping the neodymium iron boron waste with smaller particles into the sieving barrel along with dirty water, after the mixed liquid in the stirring barrel is discharged, taking out the movable sieve after the neodymium iron boron waste on the movable sieve is drained, and pouring the neodymium iron boron waste on the movable sieve into a collecting device;
s3; when the conveying belt is in contact with the dirty water in the screening box, the magnetic and magnetic coating sprayed on the conveying belt adsorbs the small-particle neodymium iron boron waste materials and transmits the small-particle neodymium iron boron waste materials to the scraping component;
s4, when the conveyor belt moving column scraping component adsorbing the small-particle neodymium iron boron waste materials is that a servo motor is started to drive a scraper plate to reciprocate, and the waste materials on the conveyor belt are scraped into a material receiving box below the scraper plate;
s5, after the adsorption of the small neodymium iron boron waste materials in the dirty water is finished, the electric roller and the servo motor are closed, and the dirty water is discharged out of the screening box
The invention provides a cleaning and screening device for recycling neodymium iron boron waste, which has the beneficial effects that: by arranging the screening mechanism and the screening module, large-particle waste materials in the waste materials can be quickly intercepted and recovered by the screening mechanism, and residual small-particle waste materials in dirty water are recovered by a conveyor belt on the screening module, so that the waste materials are fully recovered; through setting up agitator etc. can make the waste material fully mix with water, make things convenient for going on fast of follow-up operation.
Drawings
Fig. 1 is a schematic structural diagram of a cleaning and screening device for recycling neodymium iron boron waste provided by the invention;
FIG. 2 is a schematic structural diagram of a second cleaning and screening apparatus for recycling neodymium iron boron waste according to the present invention;
FIG. 3 is a schematic view of a portion of the structure of FIG. 1 at A;
FIG. 4 is a schematic view of a portion of the structure of FIG. 1 at B;
FIG. 5 is a schematic view of a partial structure at C;
FIG. 6 is a schematic cross-sectional view of a cleaning and screening apparatus for recycling neodymium iron boron waste according to the present invention;
fig. 7 is a partial structural view at D of fig. 6.
In the figure: the device comprises a bottom plate 1, a side plate 2, a first fixing plate 3, a stirring barrel 4, a second fixing plate 5, a motor 6, a stirring shaft 7, a blade 8, a valve 9, a first discharging pipe 10, a third fixing plate 11, a screening barrel 12, a sliding chute 13, a movable screen 14, a handle 15, a second discharging pipe 16, a flow guide nozzle 17, a supporting plate 18, a screening box 19, a transverse plate 20, a vertical plate 21, an inclined plate 22, a supporting column 23, a transverse rod 24, a connecting column 25, a connecting plate 26, an electric roller 27, a conveying belt 28, a mounting plate 29, a fixed column 30, a baffle 31, a guide rod 32, a rotating shaft 33, a scraping plate 34, a first gear 35, a second gear 36, a servo motor 37, a material receiving box 38, a convex block 39, a limiting.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-7, a neodymium iron boron waste recycling is with wasing screening equipment, including bottom plate 1, 1 upper surface one side fixed mounting of bottom plate has curb plate 2, 2 upper portion inboard fixed surfaces of curb plate are equipped with first fixed plate 3, fixed mounting has agitator 4 on first fixed plate 3, fixed second fixed plate 5 that is equipped with on curb plate 2 of 3 tops of first fixed plate, fixed mounting has motor 6 corresponding with agitator 4 on the second fixed plate 5, fixedly connected with (mixing) shaft 7 behind the output shaft of motor 6 passes second fixed plate 5, and (mixing) shaft 7 downwardly extending to in the agitator 4, 7 axis body surface of (mixing) shaft is along the fixed a plurality of blade 8 of being equipped with of length direction, agitator 4 bottom opening part passes through the first discharging pipe 10 of valve 9 fixedly connected with. When the material screening device is used, materials are poured into the stirring barrel 4, then a proper amount of water is added, then the motor 6 is started, the stirring shaft 7 is driven to drive the blades 8 to stir and mix the materials, and after the materials are uniformly mixed, the valve 9 is opened to discharge mixed liquid into the screening mechanism below for preliminary screening.
Fixed third fixed plate 11 that is equipped with on curb plate 2 of first fixed plate 3 below, fixed mounting has screening bucket 12 corresponding with agitator 4 on the third fixed plate 11, and screening bucket 12 top is provided with screening mechanism, and screening mechanism includes spout 13, active sieve 14, handle 15, and a spout 13 has all been opened to screening bucket 12 upper portion inner wall both sides, and slidable mounting has an active sieve 14 between two spouts 13, and fixed mounting has handle 15 on the active sieve 14. When the mixed liquid is poured into the movable sieve 14 from the first discharge pipe 10, the movable sieve 14 intercepts large-particle materials in the mixed liquid, the small-particle materials fall into a sieving barrel below along with the liquid, and the large particles in the movable sieve 14 are accumulated to a certain degree, the movable sieve 14 is drawn out, and the accumulated materials on the movable sieve 14 are poured into a special collecting barrel. The movable screen 14 is slidably arranged, so that the waste materials can be conveniently collected.
A second discharge pipe 16 is fixedly arranged at the bottom of the screening barrel 12, a supporting plate 18 is fixedly arranged on the other side of the upper surface of the bottom plate 1, a screening box 19 is fixedly arranged at the top end of the supporting plate 18, a drainage mechanism is arranged between the screening box 19 and the second discharge pipe 16, and a screening module corresponding to the screening box is arranged on the screening box 19. The function of the screening module is to further screen the liquid discharged from the screening bucket 12 to screen out smaller particles of waste material in the liquid.
The screening module comprises supporting columns 23, cross rods 24, connecting columns 25, connecting plates 26, electric rollers 27, conveyor belts 28, mounting plates 29, a material receiving box 38, a bump 39, a limiting plate 40, a limiting bolt 41, a connecting plate 42 and a scraping component, wherein the cross rods 24 are arranged on two sides of the screening box 19, a plurality of supporting columns 23 are fixedly arranged on the bottom surface of each cross rod 24, the connecting plates 42 are fixedly arranged at the bottom ends of the supporting columns 23, the connecting plates 42 are fixedly arranged on the bottom plate 1 through screws, two connecting columns 25 are fixedly arranged on the inner side surface of each cross rod 24, one connecting plate 26 is fixedly arranged at the inner side tail end of each connecting column 25, two electric rollers 27 are fixedly arranged between every two corresponding connecting plates 26, the four electric rollers 27 are distributed in a rectangular shape, the conveyor belts 28 are arranged among the four electric rollers 27 in a, any cross rod 24 is fixedly provided with a mounting plate 29, the upper part of the mounting plate 29 is fixedly provided with a scraping component corresponding to the conveyor belt 28, the mounting plate 29 below the scraping component is provided with a convex block 39 in a penetrating manner, the inner side surface of the convex block 29 is fixedly connected with a material receiving box 38, the material receiving box 38 and the scraping component are correspondingly arranged, the outer side surface of the mounting plate 29 right below the convex block 39 is fixedly provided with a limiting plate 40, and the convex block 39 and the limiting plate 40 are fixedly connected through a limiting bolt 41. The conveyor belt 28 is used for contacting the liquid in the screening box 19 by the continuously running conveyor belt 28, so that the magnetic coating sprayed on the conveyor belt 28 adsorbs smaller-particle waste materials in the liquid, and the remaining smaller-particle waste materials in the liquid are screened out.
Scrape the material subassembly and include fixed column 30, baffle 31, guide arm 32, pivot 33, scraper blade 34, actuating mechanism, the screw thread runs through on scraper blade 34 and is provided with pivot 33, all run through on the scraper blade 34 of pivot 33 both sides and be provided with a guide arm 32, the both ends of pivot 33 all can rotate and install a baffle 31, the equal fixed connection in both ends of guide arm 32 is on the baffle 31 that corresponds, fixed mounting has two fixed columns 30 on the inboard surperficial fixed mounting in mounting panel 29 upper portion volume, the equal fixed connection in inboard of two fixed columns 30 is on same baffle 31, it has the screw thread to open on the pivot 33 axis body between two baffles 31, fixedly connected with actuating mechanism behind the baffle 31 that corresponds is passed to the arbitrary one end of pivot. The driving mechanism comprises a first gear 35, a second gear 36 and a servo motor 37, wherein the first gear 35 is fixedly installed at one end of the rotating shaft 33, the servo motor 37 is fixedly installed on the adjacent baffle plate 31, and the second gear 36 meshed with the first gear 35 is fixedly installed at the tail end of an output shaft of the servo motor 37. The servo motor 37 is used for periodically driving the rotating shaft 33 to move clockwise and anticlockwise in a gear transmission mode, so that the scraper 34 is driven to do transverse reciprocating motion. The reciprocating scraper 34 continuously scrapes off the small particles of waste material adsorbed on the conveyor belt 28, and the scraped waste material directly falls into the receiving box 28 below.
The invention also provides a cleaning and screening method of the cleaning and screening device for recovering the rare neodymium iron boron waste, which comprises the following steps:
s1, pour the neodymium iron boron waste into the agitator to add water, control water and neodymium iron boron waste volume ratio is 2: 1, starting a motor to stir until the mixture is completely mixed, and turning off the motor;
s2, opening a valve, pouring the mixed liquid in the stirring barrel onto a movable sieve on a sieving barrel, intercepting the neodymium iron boron waste with larger particles by the movable sieve, dropping the neodymium iron boron waste with smaller particles into the sieving barrel along with dirty water, after the mixed liquid in the stirring barrel is discharged, taking out the movable sieve after the neodymium iron boron waste on the movable sieve is drained, and pouring the neodymium iron boron waste on the movable sieve into a collecting device;
s3; when the conveying belt is in contact with the dirty water in the screening box, the magnetic and magnetic coating sprayed on the conveying belt adsorbs the small-particle neodymium iron boron waste materials and transmits the small-particle neodymium iron boron waste materials to the scraping component;
s4, when the conveyor belt moving column scraping component adsorbing the small-particle neodymium iron boron waste materials is that a servo motor is started to drive a scraper plate to reciprocate, and the waste materials on the conveyor belt are scraped into a material receiving box below the scraper plate;
s5, after the adsorption of the small neodymium iron boron waste materials in the dirty water is completed, the electric roller and the servo motor are closed, and the dirty water is discharged out of the screening box.
When the waste material screening and recycling device is used, a user pours waste materials into the stirring barrel 4, adds water and stirs the waste materials, then pours the waste materials into the screening mechanism for primary screening, dirty water generated by screening flows into the screening box 19, then the magnetic coating sprayed on the conveying belt 28 adsorbs small-particle waste materials in the dirty water in the screening box 19, and the waste materials adsorbed on the conveying belt 28 are scraped to the receiving box 38 below by the scraping component, so that complete and sufficient screening and recycling of the waste materials are achieved, and the recycling efficiency of the waste materials is greatly improved.
Example 2
Referring to fig. 1-2, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the drainage mechanism includes a horizontal plate 20, a vertical plate 21, and an inclined plate 22, the inclined plate 22 corresponding to the screening box 19 is disposed under the second discharge pipe 16, the vertical plate 21 is fixedly disposed on the lower surface of the inclined plate 22, the horizontal plate 20 is fixedly mounted at the bottom end of the vertical plate 21, and the horizontal plate 20 is fixedly mounted on the screening box 19. The bottom end of the second discharge pipe 16 is sleeved with a flow guide nozzle 17.
Through setting up drainage mechanism, can be with the more even leading-in screening box 19 of the dirty water of the outflow in the screening bucket 12 to make the contact of conveyer belt 28 and dirty water more even effective, and then make the coating on the conveyer belt 28 can adsorb the tiny particle waste material in the dirty water more efficient. The water conservancy diversion mouth 17 of installation simultaneously can carry out the water conservancy diversion to avoid taking place to splash from the dirty water of second discharging pipe 16 outflow, cause the waste.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a neodymium iron boron waste recycling is with wasing screening equipment, includes bottom plate (1), its characterized in that, bottom plate (1) upper surface one side fixed mounting has curb plate (2), curb plate (2) upper portion inboard fixed surface is equipped with first fixed plate (3), fixed mounting has agitator (4) on first fixed plate (3), fixed second fixed plate (5) of being equipped with on curb plate (2) of first fixed plate (3) top, fixed mounting has motor (6) corresponding with agitator (4) on second fixed plate (5), the output shaft of motor (6) passes fixedly connected with (mixing) shaft (7) behind second fixed plate (5), just (mixing) shaft (7) downwardly extending to in agitator (4), agitator (7) axis body surface is along length direction fixed being equipped with a plurality of groups blade (8), the utility model discloses a screening machine, including agitator (4), curb plate (2), screening bucket (12), bottom opening part of first fixed plate (3) is equipped with third fixed plate (11) through valve (9) first discharging pipe (10) of fixedly connected with, fixed mounting has screening bucket (12) corresponding with agitator (4) on curb plate (2) of first fixed plate (3) below, screening bucket (12) top is provided with screening mechanism, screening bucket (12) bottom is fixed and is equipped with second discharging pipe (16), bottom plate (1) upper surface opposite side fixed mounting has backup pad (18), backup pad (18) top fixed mounting has screening box (19), be provided with drainage mechanism between screening box (19) and second discharging pipe (16), be provided with the screening module corresponding with it on screening box (19).
2. The cleaning and screening device for recycling neodymium iron boron waste material according to claim 1, wherein the screening module comprises supporting columns (23), cross rods (24), connecting columns (25), connecting plates (26), a motorized pulley (27), a conveyor belt (28), a mounting plate (29), a material receiving box (38), bumps (39), limiting plates (40), limiting bolts (41), a connecting plate (42) and a scraping component, the cross rods (24) are arranged on two sides of the screening box (19), a plurality of supporting columns (23) are fixedly arranged on the bottom surface of each cross rod (24), the connecting plate (42) is fixedly arranged at the bottom end of each supporting column (23), the connecting plate (42) is fixedly arranged on the bottom plate (1) through screws, two connecting columns (25) are fixedly arranged on the inner side surface of each cross rod (24), one connecting plate (26) is fixedly arranged at the inner side end of each connecting column (25), two electric rollers (27) are fixedly arranged between every two corresponding connecting plates (26), the four electric rollers (27) are distributed in a rectangular shape, a conveyor belt (28) is arranged between the four electric rollers (27) in a matching way, the outer surface of the conveyor belt (28) is sprayed with a magnetic coating, a mounting plate (29) is fixedly arranged on any one cross bar (24), the upper part of the mounting plate (29) is fixedly provided with a scraping component corresponding to the conveyor belt (28), a lug (39) is arranged on the mounting plate (29) below the scraping component in a penetrating way, a material receiving box (38) is fixedly connected on the inner side surface of the convex block (29), the material receiving box (38) is arranged corresponding to the material scraping component, a limiting plate (40) is fixedly arranged on the outer side surface of the mounting plate (29) right below the convex block (39), the bump (39) is fixedly connected with the limiting plate (40) through a limiting bolt (41).
3. The cleaning and screening device for recycling the neodymium iron boron waste material according to claim 2, the scraping component comprises a fixed column (30), a baffle (31), a guide rod (32), a rotating shaft (33), a scraping plate (34) and a driving mechanism, a rotating shaft (33) is arranged on the scraper (34) in a penetrating way through the threads, a guide rod (32) is arranged on the scraper (34) at both sides of the rotating shaft (33) in a penetrating way, both ends of the rotating shaft (33) can be rotatably provided with a baffle (31), both ends of the guide rod (32) are fixedly connected with the corresponding baffle plates (31), two fixing columns (30) are fixedly arranged on the inner side surface of the upper part of the mounting plate (29), the tail ends of the inner sides of the two fixing columns (30) are fixedly connected to the same baffle plate (31), any end of the rotating shaft (33) penetrates through the corresponding baffle (31) and then is fixedly connected with a driving mechanism.
4. A washing and screening device for recycling neodymium iron boron waste material, according to claim 3, characterized in that, the actuating mechanism includes first gear (35), second gear (36), servo motor (37), one of pivot (33) is served fixed mounting and have first gear (35), and is adjacent fixed mounting has servo motor (37) on baffle (31), fixed mounting has second gear (36) with first gear (35) meshing on the output shaft end of servo motor (37).
5. The neodymium iron boron waste recycling is with wasing screening equipment of claim 1, characterized in that, screening mechanism includes spout (13), active sieve (14), handle (15), one spout (13) have all been opened to screening bucket (12) upper portion inner wall both sides, two slidable mounting has an active sieve (14) between spout (13), fixed mounting has handle (15) on active sieve (14).
6. The utility model provides a neodymium iron boron waste recovery is with wasing screening equipment, characterized in that, drainage mechanism includes diaphragm (20), riser (21), swash plate (22), be provided with swash plate (22) that correspond with screening box (19) under second discharging pipe (16), swash plate (22) lower fixed surface is equipped with riser (21), riser (21) bottom fixed mounting has diaphragm (20), diaphragm (20) fixed mounting is on screening box (19).
7. The neodymium iron boron waste recycling is with wasing screening equipment of claim 1, characterized in that, the cover of second discharging pipe (16) bottom is equipped with water conservancy diversion mouth (17).
8. The cleaning and screening method of the cleaning and screening device for recovering the dilute neodymium-iron-boron waste materials as claimed in claims 1-7, characterized by comprising the following steps:
s1, pour the neodymium iron boron waste into the agitator to add water, control water and neodymium iron boron waste volume ratio is 2: 1, starting a motor to stir until the mixture is completely mixed, and turning off the motor;
s2, opening a valve, pouring the mixed liquid in the stirring barrel onto a movable sieve on a sieving barrel, intercepting the neodymium iron boron waste with larger particles by the movable sieve, dropping the neodymium iron boron waste with smaller particles into the sieving barrel along with dirty water, after the mixed liquid in the stirring barrel is discharged, taking out the movable sieve after the neodymium iron boron waste on the movable sieve is drained, and pouring the neodymium iron boron waste on the movable sieve into a collecting device;
s3; when the conveying belt is in contact with the dirty water in the screening box, the magnetic and magnetic coating sprayed on the conveying belt adsorbs the small-particle neodymium iron boron waste materials and transmits the small-particle neodymium iron boron waste materials to the scraping component;
s4, when the conveying belt moving column scraping component adsorbs small-particle neodymium iron boron waste materials, the servo motor is started to drive the scraper plate to reciprocate, and the waste materials on the conveying belt are scraped into a material receiving box below the scraper plate;
s5, after the adsorption of the small neodymium iron boron waste materials in the dirty water is completed, the electric roller and the servo motor are closed, and the dirty water is discharged out of the screening box.
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| CN111549232B (en) | 2021-10-19 |
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Denomination of invention: A cleaning and screening method and equipment for recycling neodymium iron boron waste Granted publication date: 20211019 Pledgee: Baotou Branch of Bank of Communications Co.,Ltd. Pledgor: BAOTOU INST MAGNETIC NEW MATERIAL CO.,LTD. Registration number: Y2024980037467 |
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