CN112813269B - Neodymium iron boron waste recovery is with extraction separator who dissolves liquid - Google Patents
Neodymium iron boron waste recovery is with extraction separator who dissolves liquid Download PDFInfo
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- CN112813269B CN112813269B CN202011618135.6A CN202011618135A CN112813269B CN 112813269 B CN112813269 B CN 112813269B CN 202011618135 A CN202011618135 A CN 202011618135A CN 112813269 B CN112813269 B CN 112813269B
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- 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
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Abstract
The invention discloses an extraction separation device of a dissolving liquid for recycling neodymium iron boron waste, which comprises an extraction mechanism and a circulation mechanism, wherein one end of the circulation mechanism is arranged in the extraction mechanism, and the other end of the circulation mechanism is arranged on one side of the extraction mechanism; the electromagnetic chuck is electrified, fine neodymium iron boron suspended in the dissolving solution can be adsorbed on the upper surface of the overflow block to perform further impurity removal treatment, the dissolving solution overflows from the overflow block and has the same principle and effect as that of pouring the dissolving solution into the tank, the dissolving solution and the extracting agent are conveniently and fully mixed, the extraction effect is improved, the mixing uniformity of the dissolving solution and the extracting agent is high during extraction of the device, the extraction effect is obvious, a water pump is used for completing circular uniform extraction and separation and discharge of the extraction liquid, the design cost of the device is reduced, the mechanism design is simple, the occupied space is small, and the use cost is low.
Description
Technical Field
The invention relates to the technical field of neodymium iron boron processing, in particular to an extraction separation device of a dissolving liquid for recycling neodymium iron boron waste materials.
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. Because the surface is very easy to be oxidized and corroded, the neodymium iron boron must be subjected to surface coating treatment. Surface chemical passivation is one of the good solutions. 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.
The invention discloses a neodymium iron boron waste extraction impurity removal device with the number of CN107267764B, which comprises an extraction tank, wherein the extraction tank comprises an outer shell and an inner shell, a solution cavity is formed between the outer shell and the inner shell, a nozzle communicated with the solution cavity is arranged on the side wall of the inner shell, the solution cavity is communicated with an extraction liquid tank through a liquid inlet pipeline arranged on the outer shell, an extraction space is formed inside the inner shell, a neodymium iron boron waste liquid spraying bin is arranged at the top of the extraction space, the neodymium iron boron waste liquid spraying bin is communicated with the neodymium iron boron waste liquid tank through a waste liquid pipeline, a liquid pumping pipe is arranged in the extraction space, the liquid pumping pipe is communicated with a liquid inlet of a first impurity tank, a second impurity tank is arranged below the extraction tank, and the second impurity tank is communicated with the bottom of the inner shell through a liquid outlet pipeline. The extractant and the waste liquid can be fully mixed, and the impurity removal effect is improved; but the extractant and the waste liquid of contrast file spray the mixture and be disposable, can't accomplish better secondary homogeneous mixing for the extraction effect is not good enough, and the water pump is used in large quantity, makes the device purchase cost high, and later maintenance is with high costs, and occupation of land space is big, does not carry out the edulcoration to a small amount of suspension neodymium iron boron in the solution moreover and handles, influences the extraction effect.
Therefore, an extraction and separation device of a dissolving liquid for recycling neodymium iron boron waste is provided.
Disclosure of Invention
The invention aims to provide an extraction separation device of a dissolving liquid for recycling neodymium iron boron waste, which is arranged at the inner side of an overflow block in a penetrating way through an electromagnetic chuck, a water permeable plate is arranged at the lower end of one side of the overflow block, the water permeable plate is arranged at one side of the upper end of the water permeable plate, the upper end of the overflow block is U-shaped, one end of the overflow block is provided with a liquid discharge port, the lower end of an upper liquid outlet bent pipe is connected with the output end of a water pump, a first water valve is arranged at the middle part of the upper end of the upper liquid outlet bent pipe, the middle part of one side of a liquid separating pipe is connected with the other end of the upper liquid outlet bent pipe, a second water valve is arranged at one end of a lower liquid separating pipe, the other end of the lower liquid separating pipe is connected with a lower liquid separating box, an upper liquid separating component comprises an upper liquid separating pipe, a third water valve and an upper liquid separating box, the third water valve is arranged at one end of the upper liquid separating pipe, and the other end of the upper liquid separating box is connected with the upper liquid separating box, one side of the extraction box is embedded with a visible glass window, and the inner cavity of the extraction box at the lower end of the liquid separating pipe is provided with a liquid guide plate, thereby solving the problems in the background.
In order to achieve the purpose, the invention provides the following technical scheme: an extraction separation device of a dissolving liquid for recycling neodymium iron boron waste materials comprises an extraction mechanism and a circulation mechanism, wherein one end of the circulation mechanism is arranged inside the extraction mechanism, the other end of the circulation mechanism is arranged on one side of the extraction mechanism, the extraction mechanism comprises a dissolving liquid pouring box, an extraction box, an impurity removal mechanism and an extracting agent adding connecting pipe, the dissolving liquid pouring box is arranged on one side of the upper end of the extraction box, the impurity removal mechanism is arranged on the upper end of an inner cavity of the extraction box, and the extracting agent adding connecting pipe is positioned at the lower end of the impurity removal mechanism and is arranged on one side of the extraction box;
the circulating mechanism comprises a circulating pump assembly, a mounting plate, a lower-layer liquid separation assembly and an upper-layer liquid separation assembly, one end of the mounting plate is fixedly welded with the extraction box, the circulating pump assembly is mounted at the upper end of the mounting plate, the lower-layer liquid separation assembly is arranged on one side of the circulating pump assembly, and the upper-layer liquid separation assembly is arranged on the other side of the circulating pump assembly.
Further, dissolve liquid and pour into case and include liquid reserve tank, division board and flowing back low groove, the low groove setting of flowing back is at the inboard lower extreme of liquid reserve tank, and the one side that the division board is located the low groove of flowing back sets up the inboard lower extreme at the liquid reserve tank, and the low tank bottom of flowing back is the U-shaped, and the opening has been seted up at the middle part, and the open-ended velocity of flow is less than the velocity of flow of overflow on the division board.
Furtherly, edulcoration mechanism includes excessive water piece, electromagnet, separation blade and porous disk, and electromagnet runs through the inboard that sets up at the excessive water piece, and the porous disk setting is at one side lower extreme of excessive water piece, and the porous disk setting is in upper end one side of porous disk, and the upper end of excessive water piece is the U-shaped, and the leakage fluid dram has been seted up to the one end of excessive water piece, the embedded intercommunication of leakage fluid dram and extraction box.
Furthermore, the circulating pump assembly comprises a liquid suction head, a lower bent pipe, a liquid inlet pipe and a water pump, wherein the lower end of the lower bent pipe is connected with the upper end of the liquid suction head, the upper end of the lower bent pipe is connected with one end of the liquid inlet pipe, and the other end of the liquid inlet pipe is connected with the water pumping end of the water pump.
Furthermore, the circulating pump assembly further comprises an upper liquid outlet bent pipe, a first water valve, a liquid distribution pipe and a spray head, the lower end of the upper liquid outlet bent pipe is connected with the output end of the water pump, the first water valve is arranged in the middle of the upper end of the upper liquid outlet bent pipe, the middle of one side of the liquid distribution pipe is connected with the other end of the upper liquid outlet bent pipe, the spray head is sequentially arranged on the other side of the liquid distribution pipe, and the spraying distance of the spray head is larger than the width of the water permeable plate.
Furthermore, the distance between the lower end of the liquid suction head and the lower end of the inner cavity of the extraction box is 2-4 cm.
Furthermore, one side of the extraction box is embedded with a visible glass window, an inner cavity of the extraction box at the lower end of the liquid distribution pipe is provided with a liquid guide plate, and the length of the liquid guide plate is greater than the width of the water permeable plate.
Further, the lower liquid separation assembly comprises a lower liquid separation pipe, a second water valve and a lower liquid separation box, the second water valve is arranged at one end of the lower liquid separation pipe, and the other end of the lower liquid separation pipe is connected with the lower liquid separation box.
Furthermore, the upper liquid separation assembly comprises an upper liquid separation pipe, a third water valve and an upper liquid separation box, the third water valve is arranged at one end of the upper liquid separation pipe, and the other end of the upper liquid separation pipe is connected with the upper liquid separation box.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention provides an extraction separation device of a dissolving liquid for recycling neodymium iron boron waste, wherein a liquid drainage low groove is arranged at the lower end of the inner side of a liquid storage box, a partition plate is arranged at one side of the liquid drainage low groove and is arranged at the lower end of the inner side of the liquid storage box, the bottom of the liquid drainage low groove is U-shaped, an opening is formed in the middle of the liquid drainage low groove, the flow rate of the opening is smaller than that of overflow on the partition plate, the dissolving liquid is conveyed to the dissolving liquid through a water pipe and poured into the box, the dissolving liquid can overflow from the upper end of the partition plate to an impurity removing mechanism, so that the flowing of the dissolving liquid is uniform, the impurity removing mechanism can adsorb suspended fine neodymium iron boron conveniently, and when the device is in a standing state, a small amount of the dissolving liquid in the liquid storage box can flow out from the bottom of the liquid drainage low groove to prevent residues.
2. The invention provides an extraction and separation device of a dissolving solution for recycling neodymium iron boron waste, wherein an electromagnetic chuck penetrates through the inner side of an overflow block, a water permeable plate is arranged at the lower end of one side of the overflow block, the water permeable plate is arranged at one side of the upper end of the water permeable plate, the upper end of the overflow block is U-shaped, one end of the overflow block is provided with a liquid discharge port, the liquid discharge port is communicated with the inner cavity of an extraction box, the electromagnetic chuck is electrified to adsorb fine neodymium iron boron suspended in the dissolving solution on the upper surface of the overflow block to perform further impurity removal treatment, the dissolving solution overflows from the overflow block, the principle and effect of the dissolving solution overflowing from the overflow block are the same as that of the dissolving solution pouring box, the dissolving solution and an extracting agent are conveniently and fully mixed, and the extraction effect is improved.
3. The invention provides an extraction separation device of a dissolving liquid for recycling neodymium iron boron waste, wherein the lower end of an upper liquid outlet bent pipe is connected with the output end of a water pump, a first water valve is arranged in the middle of the upper end of the upper liquid outlet bent pipe, the middle of one side of a liquid separating pipe is connected with the other end of the upper liquid outlet bent pipe, spray heads are sequentially arranged on the other side of the liquid separating pipe, the spraying distance of the spray heads is larger than the width of a water permeable plate, the distance between the lower end of a liquid suction head and the lower end of an inner cavity of an extraction box is 2-4 cm, an extracting agent corresponding to the dissolving liquid is firstly added into the extraction box from an extracting agent adding connecting pipe, an electromagnetic chuck and the water pump are started simultaneously, the dissolving liquid is poured into the extraction box, the dissolving liquid and the extracting agent are initially and uniformly mixed in the adding process, after the dissolving liquid is added, the electromagnetic chuck and the water pump continue to work for 0.5-1.5 hours, so that the dissolving liquid and the extracting agent are sufficiently and uniformly mixed under the circular rolling of the water pump, then the water pump is closed, so that the dissolving solution and the extracting agent are kept stand and layered, the waste recovery is completed by the extraction of the dissolving solution, the mixing uniformity of the dissolving solution and the extracting agent is high when the device is used for extraction, and the extraction effect is obvious.
4. The invention provides an extraction separation device of a dissolving liquid for recycling neodymium iron boron waste, wherein a second water valve is arranged at one end of a lower layer liquid separation pipe, the other end of the lower layer liquid separation pipe is connected with a lower layer liquid separation box, an upper layer liquid separation component comprises an upper layer liquid separation pipe, a third water valve and an upper layer liquid separation box, the third water valve is arranged at one end of the upper layer liquid separation pipe, the other end of the upper layer liquid separation pipe is connected with the upper layer liquid separation box, a visible glass window is embedded in one side of the extraction box, a liquid guide plate is arranged in an inner cavity of the extraction box at the lower end of a liquid separation pipe, after the extraction mixed liquid is placed still, the first water valve and the third water valve are closed simultaneously, a water pump is started, the lower layer liquid of the extraction mixed liquid is pumped into the lower layer liquid separation box, the visible glass window is used for observation, when the upper layer liquid is just sucked into a liquid suction head, the water pump is closed, the third water valve is opened, the water pump is started again, the upper liquid is pumped into the upper liquid separation box, extraction separation is completed, the circulating uniform extraction and the separation and discharge of extraction liquid are completed by using one water pump, the design cost of the device is reduced, the mechanism design is simple, the occupied space is small, and the use cost is low.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic perspective view of the extraction mechanism of the present invention;
FIG. 3 is a schematic view of the internal liquid flow plan of the extraction mechanism of the present invention;
FIG. 4 is a schematic view of a partially cut perspective structure of a dissolution solution pouring tank according to the present invention;
FIG. 5 is a schematic perspective view of an impurity removing mechanism according to the present invention;
FIG. 6 is a schematic view of the overall structure of the circulation mechanism of the present invention;
FIG. 7 is a perspective view of a circulation pump assembly of the present invention;
fig. 8 is a partial perspective view of the circulation mechanism of the present invention.
In the figure: 1. an extraction mechanism; 11. pouring the solution into a tank; 111. a liquid storage tank; 112. a partition plate; 113. a liquid discharge low tank; 12. an extraction box; 121. a visible glass window; 122. a liquid guide plate; 13. an impurity removal mechanism; 131. an overflow block; 132. an electromagnetic chuck; 133. a baffle plate; 134. a water permeable plate; 14. an extractant adding connecting pipe; 2. a circulating mechanism; 21. a circulating pump assembly; 211. a liquid suction head; 212. a lower bent pipe; 213. a liquid inlet pipe; 214. a water pump; 215. an upper liquid outlet bent pipe; 216. a first water valve; 217. a liquid separating pipe; 218. a spray head; 22. mounting a plate; 23. a lower layer liquid separation assembly; 231. a lower layer liquid separation pipe; 232. a second water valve; 233. a lower layer liquid separation tank; 24. an upper layer liquid separation assembly; 241. an upper layer liquid separation pipe; 242. a third water valve; 243. and an upper layer liquid separation tank.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, an extraction and separation apparatus for a solution used for recycling neodymium iron boron waste includes an extraction mechanism 1 and a circulation mechanism 2, wherein one end of the circulation mechanism 2 is disposed inside the extraction mechanism 1, and the other end of the circulation mechanism 2 is disposed at one side of the extraction mechanism 1.
Referring to fig. 2-5, an extraction separation apparatus for a solution used in recycling neodymium iron boron waste, an extraction mechanism 1 includes a solution pouring box 11, an extraction box 12, an impurity removing mechanism 13 and an extractant adding connecting pipe 14, the solution pouring box 11 is disposed on one side of an upper end of the extraction box 12, the impurity removing mechanism 13 is disposed on an upper end of an inner cavity of the extraction box 12, and the extractant adding connecting pipe 14 is disposed on one side of the extraction box 12 at a lower end of the impurity removing mechanism 13.
Dissolving solution pouring box 11 includes liquid reserve tank 111, division board 112 and flowing back low tank 113, flowing back low tank 113 sets up the inboard lower extreme at liquid reserve tank 111, the one side that division board 112 is located flowing back low tank 113 sets up the inboard lower extreme at liquid reserve tank 111, flowing back low tank 113 bottom is the U-shaped, and the opening has been seted up at the middle part, the open-ended velocity of flow is less than the velocity of flow of overflow on the division board 112, carry dissolving solution through the water pipe and pour into inside the box 11 into, dissolving solution can be followed division board 112 upper end overflow to edulcoration mechanism 13 on, make dissolving solution flow even, be convenient for the adsorption treatment of the tiny neodymium iron boron of suspension of edulcoration mechanism 13, and when the device stood, the inside a small amount of dissolving solution of liquid reserve tank 111 can be followed the low tank 113 bottom outflow of flowing back, prevent to remain.
Impurity removing mechanism 13 includes overflow piece 131, electromagnetic chuck 132, separation blade 133 and water permeable plate 134, electromagnetic chuck 132 runs through the inboard that sets up at overflow piece 131, water permeable plate 134 sets up the one side lower extreme at overflow piece 131, water permeable plate 134 sets up the upper end one side at water permeable plate 134, the upper end of overflow piece 131 is the U-shaped, the leakage fluid dram has been seted up to overflow piece 131's one end, the leakage fluid dram communicates with extraction tank 12 inner chamber, it is the same with the case 11 principle effect that the solution pours into to the electromagnetic chuck 132 circular telegram, can adsorb the tiny neodymium iron boron that suspends in the solution on overflow piece 131, play further edulcoration and handle, and the solution spills over from overflow piece 131, it is the same with the case 11 principle effect that the solution pours into, be convenient for the intensive mixing of solution and extractant, improve the extraction effect.
Referring to fig. 6-7, a dissolving solution extraction and separation device for recycling neodymium iron boron waste, a circulation mechanism 2 includes a circulation pump assembly 21 and a mounting plate 22, one end of the mounting plate 22 is fixedly welded to the extraction box 12, and the circulation pump assembly 21 is mounted at the upper end of the mounting plate 22.
The circulating pump assembly 21 comprises a liquid suction head 211, a lower bent pipe 212, a liquid inlet pipe 213 and a water pump 214, wherein the lower end of the lower bent pipe 212 is connected with the upper end of the liquid suction head 211, the upper end of the lower bent pipe 212 is connected with one end of the liquid inlet pipe 213, and the other end of the liquid inlet pipe 213 is connected with the water pumping end of the water pump 214.
The circulating pump assembly 21 further comprises an upper liquid outlet bent pipe 215, a first water valve 216, a liquid dividing pipe 217 and a spray head 218, wherein the lower end of the upper liquid outlet bent pipe 215 is connected with the output end of the water pump 214, the first water valve 216 is arranged in the middle of the upper end of the upper liquid outlet bent pipe 215, the middle of one side of the liquid dividing pipe 217 is connected with the other end of the upper liquid outlet bent pipe 215, the spray head 218 is sequentially arranged on the other side of the liquid dividing pipe 217, the liquid spraying distance of the spray head 218 is larger than the width of the water permeable plate 134, and the distance between the lower end of the liquid suction head 211 and the lower end of the inner cavity of the extraction box 12 is 2-4 cm.
Firstly, an extracting agent corresponding to a dissolving solution is added into an extraction box 12 from an extracting agent adding connecting pipe 14, an electromagnetic chuck 132 and a water pump 214 are started at the same time, the dissolving solution is poured into a dissolving solution pouring box 11, the dissolving solution and the extracting agent are initially and uniformly mixed in the adding process, after the adding of the dissolving solution is finished, the electromagnetic chuck 132 and the water pump 214 continue to work for 0.5-1.5 hours, the dissolving solution and the extracting agent are sufficiently and uniformly mixed under the circulating rolling of the water pump 214, then the water pump 214 is closed, the dissolving solution and the extracting agent are allowed to stand and layered, the waste recovery is finished by extracting the dissolving solution, the mixing uniformity of the dissolving solution and the extracting agent is high during the extraction of the device, and the extraction effect is remarkable.
Example two:
referring to fig. 1, an extraction and separation apparatus for a solution used for recycling neodymium iron boron waste includes an extraction mechanism 1 and a circulation mechanism 2, wherein one end of the circulation mechanism 2 is disposed inside the extraction mechanism 1, and the other end of the circulation mechanism 2 is disposed at one side of the extraction mechanism 1.
Referring to fig. 2-5, an extraction separation device of a solution for recycling neodymium iron boron waste, an extraction mechanism 1 includes a solution pouring box 11, an extraction box 12, an impurity removing mechanism 13 and an extractant adding connecting pipe 14, the solution pouring box 11 is disposed on one side of an upper end of the extraction box 12, the impurity removing mechanism 13 is disposed on an upper end of an inner cavity of the extraction box 12, the extractant adding connecting pipe 14 is disposed on a lower end of the impurity removing mechanism 13 and is disposed on one side of the extraction box 12, a visible glass window 121 is embedded on one side of the extraction box 12, a liquid guide plate 122 is disposed in the inner cavity of the extraction box 12 at a lower end of a liquid separating pipe 217, and a length of the liquid guide plate 122 is greater than a width of the water permeable plate 134.
The dissolving solution pouring box 11 comprises a liquid storage box 111, a partition plate 112 and a liquid discharge low groove 113, the liquid discharge low groove 113 is arranged at the lower end of the inner side of the liquid storage box 111, one side, located at the liquid discharge low groove 113, of the partition plate 112 is arranged at the lower end of the inner side of the liquid storage box 111, the bottom of the liquid discharge low groove 113 is U-shaped, an opening is formed in the middle of the liquid discharge low groove, the flow rate of the opening is smaller than that of overflow on the partition plate 112, the dissolving solution is conveyed to the inside of the liquid storage box 11 through a water pipe and can overflow to the impurity removing mechanism 13 from the upper end of the partition plate 112, the flowing of the dissolving solution is uniform, the impurity removing mechanism 13 can adsorb suspended fine neodymium iron boron conveniently, and a small amount of the dissolving solution in the liquid storage box 111 can flow out of the bottom of the liquid discharge low groove 113 when the device is in a standing state, and residues are prevented.
Impurity removing mechanism 13 includes overflow piece 131, electromagnetic chuck 132, separation blade 133 and water permeable plate 134, electromagnetic chuck 132 runs through the inboard that sets up at overflow piece 131, water permeable plate 134 sets up the one side lower extreme at overflow piece 131, water permeable plate 134 sets up the upper end one side at water permeable plate 134, the upper end of overflow piece 131 is the U-shaped, the leakage fluid dram has been seted up to overflow piece 131's one end, the leakage fluid dram communicates with extraction tank 12 inner chamber, it is the same with the case 11 principle effect that the solution pours into to the electromagnetic chuck 132 circular telegram, can adsorb the tiny neodymium iron boron that suspends in the solution on overflow piece 131, play further edulcoration and handle, and the solution spills over from overflow piece 131, it is the same with the case 11 principle effect that the solution pours into, be convenient for the intensive mixing of solution and extractant, improve the extraction effect.
Referring to fig. 6-7, a dissolving liquid extraction and separation device for recycling neodymium iron boron waste, a circulation mechanism 2 includes a circulation pump assembly 21, a mounting plate 22, a lower liquid separation assembly 23 and an upper liquid separation assembly 24, one end of the mounting plate 22 is fixedly welded to an extraction tank 12, the circulation pump assembly 21 is mounted at the upper end of the mounting plate 22, the lower liquid separation assembly 23 is disposed at one side of the circulation pump assembly 21, and the upper liquid separation assembly 24 is disposed at the other side of the circulation pump assembly 21.
The circulating pump assembly 21 comprises a liquid suction head 211, a lower bent pipe 212, a liquid inlet pipe 213 and a water pump 214, wherein the lower end of the lower bent pipe 212 is connected with the upper end of the liquid suction head 211, the upper end of the lower bent pipe 212 is connected with one end of the liquid inlet pipe 213, and the other end of the liquid inlet pipe 213 is connected with the water pumping end of the water pump 214.
The circulating pump assembly 21 further comprises an upper liquid outlet bent pipe 215, a first water valve 216, a liquid dividing pipe 217 and a spray head 218, wherein the lower end of the upper liquid outlet bent pipe 215 is connected with the output end of the water pump 214, the first water valve 216 is arranged in the middle of the upper end of the upper liquid outlet bent pipe 215, the middle of one side of the liquid dividing pipe 217 is connected with the other end of the upper liquid outlet bent pipe 215, the spray head 218 is sequentially arranged on the other side of the liquid dividing pipe 217, the liquid spraying distance of the spray head 218 is larger than the width of the water permeable plate 134, the distance between the lower end of the liquid suction head 211 and the lower end of the inner cavity of the extraction box 12 is 2-4 cm, and the length of the liquid guide plate 122 is larger than the width of the water permeable plate 134.
Firstly, an extracting agent corresponding to a dissolving solution is added into an extraction box 12 from an extracting agent adding connecting pipe 14, an electromagnetic chuck 132 and a water pump 214 are started at the same time, the dissolving solution is poured into a dissolving solution pouring box 11, the dissolving solution and the extracting agent are initially and uniformly mixed in the adding process, after the adding of the dissolving solution is finished, the electromagnetic chuck 132 and the water pump 214 continue to work for 0.5-1.5 hours, the dissolving solution and the extracting agent are sufficiently and uniformly mixed under the circulating rolling of the water pump 214, then the water pump 214 is closed, the dissolving solution and the extracting agent are allowed to stand and layered, the waste recovery is finished by extracting the dissolving solution, the mixing uniformity of the dissolving solution and the extracting agent is high during the extraction of the device, and the extraction effect is remarkable.
Referring to fig. 8, a solution extraction and separation device for recycling neodymium iron boron waste includes a lower liquid separation assembly 23 including a lower liquid separation tube 231, a second water valve 232, and a lower liquid separation tank 233, the second water valve 232 is disposed at one end of the lower liquid separation tube 231, the other end of the lower liquid separation tube 231 is connected to the lower liquid separation tank 233, an upper liquid separation assembly 24 includes an upper liquid separation tube 241, a third water valve 242, and an upper liquid separation tank 243, the third water valve 242 is disposed at one end of the upper liquid separation tube 241, the other end of the upper liquid separation tube 241 is connected to the upper liquid separation tank 243, a visible glass window 121 is embedded in one side of the extraction tank 12, and a liquid guide plate 122 is disposed in an inner cavity of the extraction tank 12 at the lower end of the liquid separation tube 217.
After the extraction mixed liquid is completely stood, the first water valve 216 and the third water valve 242 are closed at the same time, the water pump 214 is started, the lower layer liquid of the extraction mixed liquid is pumped into the lower layer liquid separation box 233, the water pump 214 is closed when the upper layer liquid is just sucked into the liquid suction head 211 through the visible glass window 121, the second water valve 232 is closed again, the third water valve 242 is opened, the water pump 214 is started again, the upper layer liquid is pumped into the upper layer liquid separation box 243, the extraction separation is completed, the circulation uniform extraction and the separation and the discharge of the extraction liquid are completed by using one water pump 214, the design cost of the device is reduced, the mechanism design is simple, the occupied space is small, and the use cost is low.
In summary, the following steps: the invention provides an extraction separation device of a dissolving liquid for recycling neodymium iron boron waste, which comprises an extraction mechanism 1 and a circulation mechanism 2, wherein the dissolving liquid overflows from the upper end of a partition plate 112 to an impurity removal mechanism 13, so that the dissolving liquid flows out uniformly, the impurity removal mechanism 13 is convenient for adsorbing suspended fine neodymium iron boron, a small amount of the dissolving liquid in a liquid storage box 111 flows out from the bottom of a liquid discharge low groove 113 when the device is in a standing state, the residue is prevented, a liquid discharge port is communicated with the inner cavity of an extraction box 12, an electromagnetic chuck 132 is electrified, the fine neodymium iron boron suspended in the dissolving liquid can be adsorbed on the upper surface of an overflow block 131 to achieve further impurity removal treatment, the dissolving liquid overflows from the overflow block 131, the principle effect of the dissolving liquid pouring into a box 11 is the same as that of the dissolving liquid, the dissolving liquid and an extracting agent are convenient to be fully mixed, the extraction effect is improved, the liquid spraying distance of a spray nozzle 218 is larger than the width of a water permeable plate 134, the distance between the lower end of the liquid suction head 211 and the lower end of the inner cavity of the extraction box 12 is 2-4 cm, firstly, an extracting agent corresponding to a dissolving solution is added into the extraction box 12 from an extracting agent adding connecting pipe 14, meanwhile, the electromagnetic chuck 132 and the water pump 214 are started, then, the dissolving solution is poured into the extraction box 11, in the adding process, the dissolving solution and the extracting agent are initially and uniformly mixed, after the adding of the dissolving solution is finished, the electromagnetic chuck 132 and the water pump 214 continue to work for 0.5-1.5 hours, so that the dissolving solution and the extracting agent are sufficiently and uniformly mixed under the circulating rolling of the water pump 214, then, the water pump 214 is closed, the dissolving solution and the extracting agent are kept stand and layered, the extraction of the dissolving solution for waste recovery is finished, the mixing uniformity of the dissolving solution and the extracting agent is high during the extraction of the device, the extraction effect is remarkable, after the standing of the extracting mixed solution is finished, the first water valve 216 and the third water valve 242 are closed, the water pump 214 is started, the lower layer liquid of the extraction mixed liquid is pumped into the lower layer liquid separation box 233, the lower layer liquid is observed through the visible glass window 121, when the upper layer liquid is just sucked into the liquid suction head 211, the water pump 214 is closed, the second water valve 232 is closed, the third water valve 242 is opened, the water pump 214 is started again, the upper layer liquid is pumped into the upper layer liquid separation box 243, the extraction and separation are completed, the circulating uniform extraction and the separation and discharge of the extraction liquid are completed by using one water pump 214, the design cost of the device is reduced, the mechanism design is simple, the occupied space is small, and the use cost is low.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a neodymium iron boron waste recovery is with extraction separator of solution, includes extraction mechanism (1) and circulation mechanism (2), and the one end setting of circulation mechanism (2) is in the inside of extraction mechanism (1), and the other end setting of circulation mechanism (2) is in one side of extraction mechanism (1), its characterized in that: the extraction mechanism (1) comprises a dissolved liquid pouring box (11), an extraction box (12), an impurity removing mechanism (13) and an extracting agent adding connecting pipe (14), the dissolved liquid pouring box (11) is arranged on one side of the upper end of the extraction box (12), the impurity removing mechanism (13) is arranged on the upper end of an inner cavity of the extraction box (12), and the extracting agent adding connecting pipe (14) is positioned at the lower end of the impurity removing mechanism (13) and is arranged on one side of the extraction box (12);
the circulating mechanism (2) comprises a circulating pump assembly (21), a mounting plate (22), a lower layer liquid separation assembly (23) and an upper layer liquid separation assembly (24), one end of the mounting plate (22) is fixedly welded with the extraction box (12), the circulating pump assembly (21) is mounted at the upper end of the mounting plate (22), the lower layer liquid separation assembly (23) is arranged on one side of the circulating pump assembly (21), and the upper layer liquid separation assembly (24) is arranged on the other side of the circulating pump assembly (21);
the dissolving liquid pouring box (11) comprises a liquid storage box (111), a partition plate (112) and a liquid drainage low groove (113), the liquid drainage low groove (113) is arranged at the lower end of the inner side of the liquid storage box (111), one side of the partition plate (112) located at the liquid drainage low groove (113) is arranged at the lower end of the inner side of the liquid storage box (111), the bottom of the liquid drainage low groove (113) is U-shaped, an opening is formed in the middle of the liquid drainage low groove, and the flow rate of the opening is smaller than that of overflow on the partition plate (112);
the impurity removing mechanism (13) comprises an overflow block (131), an electromagnetic chuck (132), a baffle plate (133) and a water permeable plate (134), the electromagnetic chuck (132) penetrates through the inner side of the overflow block (131), the water permeable plate (134) is arranged at the lower end of one side of the overflow block (131), the water permeable plate (134) is arranged on one side of the upper end of the water permeable plate (134), the upper end of the overflow block (131) is U-shaped, one end of the overflow block (131) is provided with a liquid discharge port, and the liquid discharge port is communicated with the extraction box (12) in an embedded mode;
the circulating pump assembly (21) comprises a liquid suction head (211), a lower bent pipe (212), a liquid inlet pipe (213) and a water pump (214), wherein the lower end of the lower bent pipe (212) is connected with the upper end of the liquid suction head (211), the upper end of the lower bent pipe (212) is connected with one end of the liquid inlet pipe (213), and the other end of the liquid inlet pipe (213) is connected with a water pumping end of the water pump (214);
the circulating pump assembly (21) further comprises an upper liquid outlet bent pipe (215), a first water valve (216), a liquid distribution pipe (217) and a spray head (218), the lower end of the upper liquid outlet bent pipe (215) is connected with the output end of the water pump (214), the first water valve (216) is arranged in the middle of the upper end of the upper liquid outlet bent pipe (215), the middle of one side of the liquid distribution pipe (217) is connected with the other end of the upper liquid outlet bent pipe (215), the spray head (218) is sequentially arranged on the other side of the liquid distribution pipe (217), and the liquid spraying distance of the spray head (218) is larger than the width of the water permeable plate (134).
2. The extraction and separation device of the dissolving solution for recycling the neodymium iron boron waste material as claimed in claim 1, wherein: the distance between the lower end of the liquid suction head (211) and the lower end of the inner cavity of the extraction box (12) is 2-4 cm.
3. The extraction separation device of a dissolving solution for recycling neodymium iron boron waste as claimed in claim 1, characterized in that: one side of the extraction box (12) is embedded with a visible glass window (121), the inner cavity of the extraction box (12) at the lower end of the liquid separating pipe (217) is provided with a liquid guide plate (122), and the length of the liquid guide plate (122) is greater than the width of the water permeable plate (134).
4. The extraction and separation device of the dissolving solution for recycling the neodymium iron boron waste material as claimed in claim 1, wherein: the lower layer liquid separation assembly (23) comprises a lower layer liquid separation pipe (231), a second water valve (232) and a lower layer liquid separation box (233), the second water valve (232) is arranged at one end of the lower layer liquid separation pipe (231), and the other end of the lower layer liquid separation pipe (231) is connected with the lower layer liquid separation box (233).
5. The extraction and separation device of the dissolving solution for recycling the neodymium iron boron waste material as claimed in claim 1, wherein: the upper layer liquid separation assembly (24) comprises an upper layer liquid separation pipe (241), a third water valve (242) and an upper layer liquid separation box (243), the third water valve (242) is arranged at one end of the upper layer liquid separation pipe (241), and the other end of the upper layer liquid separation pipe (241) is connected with the upper layer liquid separation box (243).
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| CN115354157B (en) * | 2022-08-01 | 2023-11-24 | 江西群鑫强磁新材料股份有限公司 | Neodymium iron boron waste material extraction edulcoration device |
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| CN106310711B (en) * | 2016-08-29 | 2018-10-09 | 南京大学 | A kind of portable high-efficiency Magnetic solid phases extraction equipment and its extracting process |
| CN109680147A (en) * | 2019-01-31 | 2019-04-26 | 宁波可可磁业股份有限公司 | For the abstraction impurity removal device in neodymium iron boron magnetic body production process |
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