CN114210286A - Samarium oxalate precipitation device and use method thereof - Google Patents
Samarium oxalate precipitation device and use method thereof Download PDFInfo
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- CN114210286A CN114210286A CN202111529209.3A CN202111529209A CN114210286A CN 114210286 A CN114210286 A CN 114210286A CN 202111529209 A CN202111529209 A CN 202111529209A CN 114210286 A CN114210286 A CN 114210286A
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- stirring tank
- box body
- pipe
- samarium
- stirring
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- DABIZUXUJGHLMW-UHFFFAOYSA-H oxalate;samarium(3+) Chemical compound [Sm+3].[Sm+3].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O DABIZUXUJGHLMW-UHFFFAOYSA-H 0.000 title claims abstract description 45
- 238000001556 precipitation Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 100
- 239000007921 spray Substances 0.000 claims description 38
- 238000003780 insertion Methods 0.000 claims description 16
- 230000037431 insertion Effects 0.000 claims description 16
- 238000005507 spraying Methods 0.000 claims description 16
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 14
- 239000002244 precipitate Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 11
- 239000011324 bead Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- 235000006408 oxalic acid Nutrition 0.000 claims description 5
- 239000000243 solution Substances 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- BHXBZLPMVFUQBQ-UHFFFAOYSA-K samarium(iii) chloride Chemical compound Cl[Sm](Cl)Cl BHXBZLPMVFUQBQ-UHFFFAOYSA-K 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000006228 supernatant Substances 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- FVBPMHBPHVSJRB-UHFFFAOYSA-N oxalic acid;samarium Chemical compound [Sm].OC(=O)C(O)=O FVBPMHBPHVSJRB-UHFFFAOYSA-N 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 11
- 230000000903 blocking effect Effects 0.000 description 15
- 239000013049 sediment Substances 0.000 description 6
- 238000000967 suction filtration Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 4
- 229910001954 samarium oxide Inorganic materials 0.000 description 4
- 229940075630 samarium oxide Drugs 0.000 description 4
- FKTOIHSPIPYAPE-UHFFFAOYSA-N samarium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Sm+3].[Sm+3] FKTOIHSPIPYAPE-UHFFFAOYSA-N 0.000 description 4
- 229910052761 rare earth metal Inorganic materials 0.000 description 3
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- -1 rare earth compound Chemical class 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000005476 size effect Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
Abstract
The invention provides a samarium oxalate precipitation device and a using method thereof, wherein the samarium oxalate precipitation device comprises a base, a box body is arranged above the base, one side of the box body is in pin joint fit with the base, and the other side of the box body is driven to lift through a first air cylinder; the top of the box body is provided with a stirring tank, the bottom of the stirring tank is provided with a filter screen, and a first plugging structure is arranged below the stirring tank; a stirring shaft is arranged in the stirring tank; vibration motors are arranged on two sides of the bottom of the stirring tank; the end wall of the box body, which is far away from the first cylinder, is provided with a discharge port, the discharge port is communicated with the interior of the stirring tank, and the outer side of the discharge port is provided with a second plugging structure; an air suction pump is fixedly arranged on the side wall of the box body, and an air inlet of the air suction pump is communicated with the bottom of the side wall of the box body through an air suction pipe; the preparation of its novel structure can make things convenient for samarium oxalate, reduces equipment and uses, omits middle multiple transfer step, can effectively improve work efficiency.
Description
Technical Field
The invention relates to the field of preparation of samarium oxalate, in particular to a samarium oxalate precipitation device and a use method thereof.
Background
The unique electronic configuration of the rare earth element enables the ultrafine powder material of the rare earth compound or the rare earth oxide to have a plurality of special properties and applications; the rare earth oxide ultrafine powder material has characteristics which are not possessed by conventional materials in the aspects of light, electricity and magnetism due to the small-size effect, the surface effect, the quantum size effect and the macroscopic quantum tunneling effect, so that the rare earth oxide ultrafine powder material is greatly concerned by the society; the samarium oxide ultrafine powder has high catalytic activity due to the huge specific surface area, can improve the catalytic performance of a noble metal catalyst in an automobile exhaust catalyst, and reduces the consumption of the noble metal to reduce the cost; in the aspect of magnetic materials, samarium oxide is mainly used for preparing rare earth permanent magnetic materials; in the preparation process of the materials, the use of the superfine samarium oxide is beneficial to improving the magnetism of the materials; samarium oxalate is the main material for preparing samarium oxide at present, so the preparation of samarium oxalate is more important; at present, samarium oxalate's preparation is mixed, is precipitated, is filtered the preparation through samarium chloride and oxalic acid solution mostly, needs multiple equipment such as compounding device, precipitation tank, suction filtration groove, shifts to another equipment after every step is accomplished again, and middle transfer process is comparatively troublesome, also can additionally increase work load, influences production efficiency.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the samarium oxalate precipitation device and the use method thereof, the samarium oxalate precipitation device is novel in structure, can facilitate the preparation of samarium oxalate, reduce the use of equipment, omit the intermediate multiple transfer step and effectively improve the working efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a samarium oxalate precipitation device which comprises a base, wherein a box body is arranged above the base, one side of the box body is in pivot joint with the base, and the other side of the box body is driven to lift through a first air cylinder; a drain pipe is communicated with the bottom of the side wall of the box body and is provided with a switch valve; the top of the box body is open, the top of the box body is provided with a stirring tank, the bottom of the stirring tank is provided with a slotted hole, the slotted hole extends along the length direction of the stirring tank, the bottom of the slotted hole is provided with a filter screen, a first plugging structure is arranged below the stirring tank, and the first plugging structure can plug the bottom of the slotted hole; a stirring shaft is arranged in the stirring tank and is driven by a first motor; vibration motors are arranged on two sides of the bottom of the stirring tank; the end wall of the box body, which is far away from the first cylinder, is provided with a discharge port, the discharge port is communicated with the interior of the stirring tank and is arranged corresponding to the filter screen, and the outer side of the discharge port is provided with a second plugging structure which can be used for plugging the discharge port; a first spraying pipe and a second spraying pipe are erected at the top of the box body, strip-shaped holes are formed in the bottoms of the first spraying pipe and the second spraying pipe, and the strip-shaped holes extend along the length direction of the box body; the first spray pipe is communicated with the first booster pump through a first hose, and the second spray pipe is communicated with the second booster pump through a second hose; the first spraying pipe and the second spraying pipe are respectively provided with an electromagnetic valve and a flow valve which are sequentially arranged along the conveying direction; an air suction pump is fixedly mounted on the side wall of the box body, and an air inlet of the air suction pump is communicated with the bottom of the side wall of the box body through an air suction pipe.
In a preferred technical scheme of the invention, a third spray pipe is arranged at the notch position of the stirring tank, the third spray pipe is arranged along the notch and is in a closed ring structure, and the third spray pipe is communicated with a third booster pump through a third hose; the bottom intercommunication of third shower is equipped with a plurality of first shower nozzles and second shower nozzle, and a plurality of first shower nozzles set up along the even interval in inner ring edge of third shower, and first shower nozzle sets up towards the direction slope of (mixing) shaft, and a plurality of second shower nozzles set up along the even interval in outer loop edge of third shower, and the second shower nozzle sets up towards the inner wall slope of stirred tank.
In a preferred embodiment of the present invention, the distribution density of the second nozzle is less than the distribution density of the first nozzle.
In a preferred technical scheme of the invention, the first blocking structure comprises a baffle and at least two second cylinders, one side of the baffle is in pin joint with the bottom of the stirring tank, a bracket is arranged between the inner walls of the two ends of the tank body, the bottom ends of the second cylinders are in pin joint with the top surface of the bracket, the end part of a piston rod of each second cylinder is in pin joint with the bottom surface of the other side of the baffle, and the second cylinders can drive the baffle to swing to block or open the bottoms of the slotted holes.
In a preferred technical scheme of the invention, the outer edge of the slotted hole is provided with a sinking groove, the sinking groove is in a closed ring structure along the edge of the slotted hole, and a sealing gasket is arranged inside the sinking groove; the top surface of baffle corresponds heavy groove and is fixed and be equipped with the bead, the shape of bead and the shape adaptation that sinks the groove, and when the second cylinder supported the top to the baffle and held, the bead formed extrusion seal to sealed the pad.
In a preferred technical scheme of the invention, one side of two long edges of the sinking groove, which is far away from the pivoting part of the baffle, is provided with a notch, and the sealing gasket is matched with the shape of the inner wall of the sinking groove and is arranged close to the inner wall of the sinking groove; the top of the convex rib is arc-shaped.
In a preferred technical scheme of the invention, the inner part of the stirring tank is of an arc-shaped structure and is narrowed and gathered towards the direction of the slotted hole.
In the preferred technical scheme of the invention, the discharge hole is in a flat structure and is matched with the width of the inner wall at the bottom of the stirring tank; a discharging pipe is fixedly arranged on the outer side of the discharging port, and a jack is fixedly arranged on one side, close to the end wall of the box body, of the top surface of the discharging pipe;
the second plugging structure comprises a third cylinder and an insertion block, the insertion block is matched with the jack in shape, the insertion block is fixed at the end part of a piston rod of the third cylinder, and the third cylinder can drive the insertion block to extend into the jack and plug the discharge hole; the outer wall of the insertion block is coated with a sealing rubber sleeve.
The invention provides a using method of a samarium oxalate precipitation device, which comprises the following steps:
s1, adding 1200L of hot pure water and 100L of 5.0mol/L hydrochloric acid into a stirring tank;
s2, starting a first motor to drive a stirring shaft to rotate, and maintaining the rotating speed of 80 revolutions per minute;
s3, starting a first booster pump, injecting 1000L of samarium chloride feed liquid into the stirring tank, coordinating a flow valve and an electromagnetic valve on a first spray pipe, and controlling the flow rate of 1000L/h; synchronously starting a second booster pump, injecting about 2500L of oxalic acid solution into the stirring tank, coordinating a flow valve and an electromagnetic valve on a second spray pipe, and controlling the flow rate of 900L/h;
s4, after the material injection is finished, stirring for at least 5 minutes is maintained;
s5, stopping the first motor, and starting the vibration motor to work for 5 minutes;
s6, standing and layering;
s7, extracting the supernatant into a specific storage tank, standing and storing, and placing the samarium oxalate precipitate into a stirring tank;
s8, starting the first motor, the second hydraulic cylinder and the third booster pump, injecting pure water into the stirring tank through the third spray pipe, and stirring and cleaning the precipitate through the stirring shaft; the second hydraulic cylinder drives the baffle to swing downwards, and liquid is discharged from the filter screen and is discharged to the outside of the box body through the drain pipe; maintaining cleaning for 1.5 hours;
s9, starting a first hydraulic cylinder to drive the whole box body to incline downwards towards the direction of a discharge pipe; the third hydraulic cylinder is started, so that the insert blocks are separated from the discharge pipe, the blockage of the discharge port is removed, the first motor is synchronously started, and the discharge of the samarium oxalate from the discharge pipe is accelerated.
Further, in the step S8, the suction pump is started, so that the suction filtration effect is achieved inside the box body, and the filtration efficiency is accelerated.
The invention has the beneficial effects that:
the samarium oxalate precipitation device and the use method thereof provided by the invention have the advantages that the structure is novel, the stirring tank is arranged in the box body, and the stirring shaft is arranged in the stirring tank, so that materials put into the stirring tank can be fully mixed and stirred, and the synthesis of samarium oxalate is promoted; the bottom of the stirring tank is provided with a slotted hole, a filter screen is arranged in the slotted hole, and the outer side of the bottom of the stirring tank is provided with a first plugging structure which can plug the bottom of the slotted hole and maintain the bottom sealing condition in the stirring tank so as to facilitate the materials to be fully mixed and reacted; after the precipitation is finished, the first blocking structure is opened, pure water is injected into the stirring tank to clean the samarium oxalate precipitate, and a suction filtration effect can be formed in the box body by combining the cooperation of an air pump, so that the filtration is further accelerated; after the precipitate is cleaned, lifting one side of the box body by the first air cylinder, removing the blockage of the discharge port by the second blocking structure, discharging the precipitate inside from the discharge port, and finishing the preparation of the samarium oxalate; the overall structure is designed and matched, so that the preparation of the samarium oxalate can be facilitated, the equipment use is reduced, the intermediate multiple transfer step is omitted, and the working efficiency can be effectively improved.
Drawings
Fig. 1 is a schematic structural diagram of a samarium oxalate precipitation apparatus provided in an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a side sectional view of a samarium oxalate precipitation device provided in an embodiment of the invention;
fig. 4 is an enlarged view of a portion B in fig. 3.
In the figure:
100. a base; 110. a first cylinder; 200. a box body; 210. a drain pipe; 220. a bracket; 230. a discharge pipe; 300. a stirring tank; 310. filtering with a screen; 320. a gasket; 330. a vibration motor; 400. a first blocking structure; 410. a baffle plate; 420. a second cylinder; 430. a rib; 500. a second blocking structure; 510. a third cylinder; 520. inserting a block; 530. sealing the rubber sleeve; 610. a first shower pipe; 611. a first booster pump; 612. a first hose; 620. a second shower pipe; 621. a second booster pump; 622. a second hose; 630. a third shower pipe; 631. a third booster pump; 632. a third hose; 633. a first nozzle; 634. a second nozzle; 640. an electromagnetic valve; 650. a flow valve; 700. an air pump; 710. an air exhaust pipe; 810. a stirring shaft; 820. a first motor.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 4, in an embodiment of the present invention, a samarium oxalate precipitation device is disclosed, which includes a base 100, a box 200 is disposed above the base 100, one side of the box 200 is pivotally connected to the base 100, and the other side is driven to ascend and descend by a first cylinder 110; the bottom of the side wall of the box body 200 is communicated with a drain pipe 210, and a switch valve is arranged on the drain pipe; the top of the box body 200 is open, the stirring tank 300 is installed at the top, a slotted hole is formed in the bottom of the stirring tank 300, the slotted hole extends along the length direction of the stirring tank 300, a filter screen 310 is installed at the bottom of the slotted hole, a first blocking structure 400 is arranged below the stirring tank 300, and the first blocking structure 400 can block the bottom of the slotted hole; a stirring shaft 810 is arranged inside the stirring tank 300, and the stirring shaft 810 is driven by a first motor 820; vibration motors 330 are installed on both sides of the bottom of the stirring tank 300; a discharge port is formed in the end wall, away from the first cylinder 110, of the box body 200, the discharge port is communicated with the interior of the stirring tank 300 and is arranged corresponding to the filter screen 310, a second blocking structure 500 is arranged on the outer side of the discharge port, and the second blocking structure 500 can be used for blocking the discharge port; a first spray pipe 610 and a second spray pipe 620 are erected at the top of the box body 200, strip-shaped holes are formed in the bottoms of the first spray pipe 610 and the second spray pipe 620, and the strip-shaped holes extend along the length direction of the box body 200; the first spray pipe 610 is communicated with the first booster pump 611 through a first hose 612, and the second spray pipe 620 is communicated with the second booster pump 621 through a second hose 622; the first spray pipe 610 and the second spray pipe 620 are respectively provided with an electromagnetic valve 640 and a flow valve 650 which are sequentially arranged along the conveying direction; the suction pump 700 is fixedly installed on the sidewall of the box 200, and an air inlet of the suction pump 700 is communicated with the bottom of the sidewall of the box 200 through a suction pipe 710.
The samarium oxalate precipitation device and the use method thereof have novel structures, the stirring tank is arranged in the box body, and the stirring shaft is arranged in the stirring tank, so that materials put into the stirring tank can be fully mixed and stirred, and the synthesis of samarium oxalate is promoted; the bottom of the stirring tank is provided with a slotted hole, a filter screen is arranged in the slotted hole, and the outer side of the bottom of the stirring tank is provided with a first plugging structure which can plug the bottom of the slotted hole and maintain the bottom sealing condition in the stirring tank so as to facilitate the materials to be fully mixed and reacted; after the precipitation is finished, the first blocking structure is opened, pure water is injected into the stirring tank to clean the samarium oxalate precipitate, and a suction filtration effect can be formed in the box body by combining the cooperation of an air pump, so that the filtration is further accelerated; after the precipitate is cleaned, lifting one side of the box body by the first air cylinder, removing the blockage of the discharge port by the second blocking structure, discharging the precipitate inside from the discharge port, and finishing the preparation of the samarium oxalate; the design and the matching of the whole structure can facilitate the preparation of the samarium oxalate, reduce the use of equipment, omit the intermediate multiple transfer steps and effectively improve the working efficiency; it should be noted that the feed inlet of the first booster pump is communicated with the samaric chloride feed liquid storage tank, and the feed inlet of the second booster pump is communicated with the oxalic acid solution storage tank.
Further, a third spray pipe 630 is installed at the notch position of the stirring tank 300, the third spray pipe 630 is arranged along the notch and has a closed ring structure, and the third spray pipe 630 is communicated with a third booster pump 631 through a third hose 632; a plurality of first nozzles 633 and second nozzles 634 are communicated with the bottom of the third spraying pipe 630, the plurality of first nozzles 633 are uniformly arranged along the inner ring edge of the third spraying pipe 630 at intervals, the first nozzles 633 are obliquely arranged towards the stirring shaft 510, the plurality of second nozzles 634 are uniformly arranged along the outer ring edge of the third spraying pipe 630 at intervals, and the second nozzles 634 are obliquely arranged towards the inner wall of the stirring tank 300; according to the structural design, pure water can be supplied to the second spray pipe through the third booster pump so as to clean the samarium oxalate precipitate; the design of the plurality of first spray heads and the plurality of second spray heads can effectively enlarge the water spraying area, can carry out impact spray washing on the sediments and the wall of the stirring tank, and effectively enhances the washing effect; particularly, the first spray head is inclined towards the direction of the stirring shaft, so that impact can be carried out on a stirring area, and the cleaning of sediments can be accelerated; the second spray head is arranged on one side of the groove wall of the stirring groove, so that the stirring groove can be conveniently cleaned subsequently.
Further, the distribution density of the second spray nozzles 634 is less than that of the first spray nozzles 633, so that more pure water is sprayed to the middle of the stirring tank, and cleaning of the sediment is accelerated.
Further, the first blocking structure 400 comprises a baffle 410 and at least two second cylinders 420, one side of the baffle 410 is in pivot joint with the bottom of the stirring tank 300, a bracket 220 is arranged between the inner walls of the two ends of the tank body 200, the bottom ends of the second cylinders 420 are in pivot joint with the top surface of the bracket 220, the end parts of piston rods of the second cylinders 420 are in pivot joint with the bottom surface of the other side of the baffle 410, and the second cylinders 420 can drive the baffle 410 to swing to block or open the bottoms of the slots; the drain pipe is arranged on one side of the pivot joint far away from the baffle plate, so that water flowing down from the filter screen flows towards the direction of the drain pipe through the flow guide of the baffle plate, and the outward discharge of the cleaning liquid is accelerated; it should be noted that the discharged cleaning liquid needs to be collected and treated uniformly and then discharged outside.
Furthermore, the outer edge of the slot hole is provided with a sinking groove, the sinking groove is in a closed ring structure along the edge of the slot hole, and a sealing gasket 320 is arranged inside the sinking groove; the top surface of the baffle 410 is fixedly provided with a rib 430 corresponding to the sinking groove, the shape of the rib 430 is matched with that of the sinking groove, and when the second cylinder 420 supports and supports the baffle 410, the rib 430 forms extrusion sealing on the sealing gasket 320; this structural design accessible bead and the cooperation of heavy groove and sealed pad carry out effectual sealed shutoff to the bottom of groove buckle, prevent that the liquid of filter screen top from oozing easily.
Furthermore, gaps are arranged on one sides of the two long edges of the sinking groove far away from the pivoting part of the baffle plate 410, and the sealing gasket 320 is matched with the shape of the inner wall of the sinking groove and is arranged close to the inner wall of the sinking groove; the top of the rib 430 is convex in an arc shape; this structural design can make the bead satisfy wobbling requirement, effectively ensures the smooth entering of bead heavy inslot portion to closely cooperate with sealed the pad.
Furthermore, the inner part of the stirring tank 300 is in an arc-shaped structure and is narrowed and gathered towards the direction of the slotted hole, so that the materials are conveniently gathered towards the bottom of the stirring tank, and the stirring and mixing are accelerated; and the subsequent liquid can be conveniently collected towards the direction of the filter screen, and the cleaning and the filtering are accelerated.
Further, the discharge port is of a flat structure and is adapted to the width of the inner wall of the bottom of the stirring tank 300; a discharge pipe 230 is fixedly arranged on the outer side of the discharge port, and a jack is fixedly arranged on one side, close to the end wall of the box body 200, of the top surface of the discharge pipe 230; the second plugging structure 500 comprises a third cylinder 510 and an insertion block 520, the insertion block 520 is matched with the shape of the insertion hole, the insertion block 520 is fixed at the end part of a piston rod of the third cylinder 510, and the third cylinder 510 can drive the insertion block 520 to extend into the insertion hole to plug the discharge hole; the outer wall of the plug block 520 is coated with a sealing rubber sleeve 530; according to the structural design, in the processes of mixing reaction and sediment inclination in the stirring tank, the discharge port can be blocked through the second blocking structure, so that liquid is prevented from seeping; when the sediment needs to be discharged, the sediment can be smoothly discharged from the discharge pipe by opening the second blocking structure.
The invention also provides a use method of the samarium oxalate precipitation device, which comprises the following steps:
s1, adding 1200L of hot pure water and 100L of 5.0mol/L hydrochloric acid into a stirring tank;
s2, starting a first motor to drive a stirring shaft to rotate, and maintaining the rotating speed of 80 revolutions per minute;
s3, starting a first booster pump, injecting 1000L of samarium chloride feed liquid into the stirring tank, coordinating a flow valve and an electromagnetic valve on a first spray pipe, and controlling the flow rate of 1000L/h; synchronously starting a second booster pump, injecting about 2500L of oxalic acid solution into the stirring tank, coordinating a flow valve and an electromagnetic valve on a second spray pipe, and controlling the flow rate of 900L/h;
s4, after the material injection is finished, stirring for at least 5 minutes is maintained;
s5, stopping the first motor, and starting the vibration motor to work for 5 minutes;
s6, standing and layering;
s7, extracting the supernatant into a specific storage tank, standing and storing, and placing the samarium oxalate precipitate into a stirring tank;
s8, starting the first motor, the second hydraulic cylinder and the third booster pump, injecting pure water into the stirring tank through the third spray pipe, and stirring and cleaning the precipitate through the stirring shaft; the second hydraulic cylinder drives the baffle to swing downwards, and liquid is discharged from the filter screen and is discharged to the outside of the box body through the drain pipe; maintaining cleaning for 1.5 hours;
s9, starting a first hydraulic cylinder to drive the whole box body to incline downwards towards the direction of a discharge pipe; the third hydraulic cylinder is started, so that the insert blocks are separated from the discharge pipe, the blockage of the discharge port is removed, the first motor is synchronously started, and the discharge of the samarium oxalate from the discharge pipe is accelerated.
Further, in the step S8, the suction pump is started, so that the suction filtration effect is achieved inside the box body, and the filtration efficiency is accelerated.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (10)
1. The utility model provides an oxalic acid samarium deposits device which characterized in that:
the lifting device comprises a base, wherein a box body is arranged above the base, one side of the box body is in pivot joint with the base, and the other side of the box body is driven to lift through a first air cylinder; a drain pipe is communicated with the bottom of the side wall of the box body and is provided with a switch valve;
the top of the box body is open, the top of the box body is provided with a stirring tank, the bottom of the stirring tank is provided with a slotted hole, the slotted hole extends along the length direction of the stirring tank, the bottom of the slotted hole is provided with a filter screen, a first plugging structure is arranged below the stirring tank, and the first plugging structure can plug the bottom of the slotted hole; a stirring shaft is arranged in the stirring tank and is driven by a first motor; vibration motors are arranged on two sides of the bottom of the stirring tank;
the end wall of the box body, which is far away from the first cylinder, is provided with a discharge port, the discharge port is communicated with the interior of the stirring tank and is arranged corresponding to the filter screen, and the outer side of the discharge port is provided with a second plugging structure which can be used for plugging the discharge port;
a first spraying pipe and a second spraying pipe are erected at the top of the box body, strip-shaped holes are formed in the bottoms of the first spraying pipe and the second spraying pipe, and the strip-shaped holes extend along the length direction of the box body; the first spray pipe is communicated with the first booster pump through a first hose, and the second spray pipe is communicated with the second booster pump through a second hose; the first spraying pipe and the second spraying pipe are respectively provided with an electromagnetic valve and a flow valve which are sequentially arranged along the conveying direction;
an air suction pump is fixedly mounted on the side wall of the box body, and an air inlet of the air suction pump is communicated with the bottom of the side wall of the box body through an air suction pipe.
2. The samarium oxalate precipitation device of claim 1, wherein:
a third spray pipe is arranged at the notch position of the stirring tank, is arranged along the notch and is in a closed ring structure, and is communicated with the third booster pump through a third hose; the bottom intercommunication of third shower is equipped with a plurality of first shower nozzles and second shower nozzle, and a plurality of first shower nozzles set up along the even interval in inner ring edge of third shower, and first shower nozzle sets up towards the direction slope of (mixing) shaft, and a plurality of second shower nozzles set up along the even interval in outer loop edge of third shower, and the second shower nozzle sets up towards the inner wall slope of stirred tank.
3. The samarium oxalate precipitation device of claim 2, wherein:
the distribution density of the second spray heads is less than that of the first spray heads.
4. The samarium oxalate precipitation device of claim 1, wherein:
the first plugging structure comprises a baffle plate and at least two second cylinders, one side of the baffle plate is in pin joint fit with the bottom of the stirring tank, a bracket is arranged on the fixed frame between the inner walls of the two ends of the tank body, the bottom ends of the second cylinders are in pin joint fit with the top surface of the bracket, the end part of a piston rod of each second cylinder is in pin joint fit with the bottom surface of the other side of the baffle plate, and the second cylinders can drive the baffle plate to swing and realize plugging or opening of the bottom of the slotted hole.
5. The samarium oxalate precipitation device of claim 4, wherein:
the outer edge of the slotted hole is provided with a sinking groove which is in a closed ring structure along the edge of the slotted hole, and a sealing gasket is arranged inside the sinking groove; the top surface of baffle corresponds heavy groove and is fixed and be equipped with the bead, the shape of bead and the shape adaptation that sinks the groove, and when the second cylinder supported the top to the baffle and held, the bead formed extrusion seal to sealed the pad.
6. The samarium oxalate precipitation device of claim 5, wherein:
gaps are formed in one sides of the two long edges of the sinking groove, which are far away from the pivoting part of the baffle plate, and the sealing gasket is matched with the shape of the inner wall of the sinking groove and is arranged close to the inner wall of the sinking groove; the top of the convex rib is arc-shaped.
7. The samarium oxalate precipitation device of claim 6, wherein:
the inner part of the stirring tank is of an arc-shaped structure and is narrowed and gathered towards the direction of the slotted hole.
8. The samarium oxalate precipitation device of claim 7, wherein:
the discharge port is of a flat structure and is matched with the width of the inner wall of the bottom of the stirring tank; a discharging pipe is fixedly arranged on the outer side of the discharging port, and a jack is fixedly arranged on one side, close to the end wall of the box body, of the top surface of the discharging pipe;
the second plugging structure comprises a third cylinder and an insertion block, the insertion block is matched with the jack in shape, the insertion block is fixed at the end part of a piston rod of the third cylinder, and the third cylinder can drive the insertion block to extend into the jack and plug the discharge hole; the outer wall of the insertion block is coated with a sealing rubber sleeve.
9. A use method of samarium oxalate precipitation device in claim 8, comprising the steps of:
the method comprises the following steps:
s1, adding 1200L of hot pure water and 100L of 5.0mol/L hydrochloric acid into a stirring tank;
s2, starting a first motor to drive a stirring shaft to rotate, and maintaining the rotating speed of 80 revolutions per minute;
s3, starting a first booster pump, injecting 1000L of samarium chloride feed liquid into the stirring tank, coordinating a flow valve and an electromagnetic valve on a first spray pipe, and controlling the flow rate of 1000L/h; synchronously starting a second booster pump, injecting about 2500L of oxalic acid solution into the stirring tank, coordinating a flow valve and an electromagnetic valve on a second spray pipe, and controlling the flow rate of 900L/h;
s4, after the material injection is finished, stirring for at least 5 minutes is maintained;
s5, stopping the first motor, and starting the vibration motor to work for 5 minutes;
s6, standing and layering;
s7, extracting the supernatant into a specific storage tank, standing and storing, and placing the samarium oxalate precipitate into a stirring tank;
s8, starting the first motor, the second hydraulic cylinder and the third booster pump, injecting pure water into the stirring tank through the third spray pipe, and stirring and cleaning the precipitate through the stirring shaft; the second hydraulic cylinder drives the baffle to swing downwards, and liquid is discharged from the filter screen and is discharged to the outside of the box body through the drain pipe; maintaining cleaning for 1.5 hours;
s9, starting a first hydraulic cylinder to drive the whole box body to incline downwards towards the direction of a discharge pipe; the third hydraulic cylinder is started, so that the insert blocks are separated from the discharge pipe, the blockage of the discharge port is removed, the first motor is synchronously started, and the discharge of the samarium oxalate from the discharge pipe is accelerated.
10. The use method of samarium oxalate precipitation apparatus of claim 9, wherein the apparatus further comprises:
in the step S8, the suction pump is started, so that the suction effect is achieved inside the tank, and the filtration efficiency is accelerated.
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Application publication date: 20220322 |