CN111468061A - Lithium fluoride production is with high-efficient reation kettle - Google Patents
Lithium fluoride production is with high-efficient reation kettle Download PDFInfo
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- CN111468061A CN111468061A CN202010465162.8A CN202010465162A CN111468061A CN 111468061 A CN111468061 A CN 111468061A CN 202010465162 A CN202010465162 A CN 202010465162A CN 111468061 A CN111468061 A CN 111468061A
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- hollow
- filter screen
- rotating shaft
- lithium fluoride
- reaction tank
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- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 title claims abstract description 54
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 57
- 239000000463 material Substances 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 239000002002 slurry Substances 0.000 claims description 38
- 238000003756 stirring Methods 0.000 claims description 22
- 238000001914 filtration Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 abstract description 17
- 229910052808 lithium carbonate Inorganic materials 0.000 abstract description 17
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 7
- 239000001569 carbon dioxide Substances 0.000 abstract description 4
- 238000005273 aeration Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 5
- HQRPHMAXFVUBJX-UHFFFAOYSA-M lithium;hydrogen carbonate Chemical compound [Li+].OC([O-])=O HQRPHMAXFVUBJX-UHFFFAOYSA-M 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 101100314150 Caenorhabditis elegans tank-1 gene Proteins 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003682 fluorination reaction Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- -1 lithium hexafluorophosphate Chemical compound 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
- B01F33/402—Mixers using gas or liquid agitation, e.g. with air supply tubes comprising supplementary stirring elements
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D15/00—Lithium compounds
- C01D15/04—Halides
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention relates to the technical field of lithium fluoride production equipment, in particular to a high-efficiency reaction kettle for producing lithium fluoride, which comprises a reaction tank, wherein the bottom and the side wall of the reaction tank are respectively provided with a discharge valve and a feed inlet, the inner wall of the reaction tank is provided with a temperature control heating assembly for heating, the bottom of the inner cavity of the reaction tank is provided with a hollow support, the hollow support is provided with first one-way valves which are uniformly distributed, the top of the hollow support is rotatably connected with a hollow rotating shaft, the hollow rotating shaft is communicated with the hollow support, the top of the hollow rotating shaft penetrates through the top of the reaction tank, and the side wall of the hollow rotating shaft is symmetrically provided with a plurality of; the efficient reaction kettle for producing the lithium fluoride, provided by the invention, has a good aeration effect, can accelerate the reaction of carbon dioxide and lithium carbonate, and improves the production efficiency of the lithium fluoride; in addition, this reation kettle can also realize that the autosegregation of material is convenient for user's collection, and degree of automation is high, suitable further popularization and application.
Description
Technical Field
The invention relates to the technical field of lithium fluoride production equipment, and discloses a high-efficiency reaction kettle for producing lithium fluoride.
Background
The battery grade lithium fluoride is one of necessary raw materials for producing the commonly used electrolyte lithium hexafluorophosphate of the lithium ion battery. In the existing process for producing battery-grade lithium fluoride, carbon dioxide is introduced into lithium carbonate slurry to carbonize the lithium carbonate slurry to obtain lithium bicarbonate, and then the lithium bicarbonate reacts with a hydrogen fluoride solution to obtain lithium fluoride. In the carbonization process of lithium carbonate, the existing reaction kettle usually directly inserts the vent pipe into slurry for stirring and mixing, and the mode cannot realize the full mixing of carbon dioxide gas and lithium carbonate, is not beneficial to the reaction and reduces the reaction efficiency; meanwhile, the existing reaction kettle has low automation degree, and can not realize the separation of different solid products, and the current requirements of enterprises can not be met.
Disclosure of Invention
In order to solve the problems, the invention provides a high-efficiency reaction kettle for producing lithium fluoride.
The invention is realized by the following technical scheme:
a high-efficiency reaction kettle for producing lithium fluoride comprises a reaction tank, wherein a discharge valve and a feed inlet are respectively arranged on the bottom and the side wall of the reaction tank, a temperature control heating assembly for heating is arranged on the inner wall of the reaction tank, a hollow support is arranged at the bottom of an inner cavity of the reaction tank, first one-way valves which are uniformly distributed are arranged on the hollow support, the top of the hollow support is rotatably connected with a hollow rotating shaft, the hollow rotating shaft is communicated with the hollow support, the top of the hollow rotating shaft penetrates through the top of the reaction tank, a plurality of groups of stirring blades are symmetrically arranged on the side wall of the hollow rotating shaft, gas paths are arranged in the stirring blades and communicated with the hollow rotating shaft, second one-way valves communicated with the gas paths inside the stirring blades are uniformly arranged on the stirring blades, a fixed frame is fixed at the top of the reaction tank, and a, the upper end of the hollow rotating shaft is provided with a driven gear, the side part of the driven gear is meshed with a transmission gear, an output shaft of the driving motor is connected with the transmission gear, the air outlet end of the air pump is connected with the hollow rotating shaft through a rotary joint, and the air inlet end of the air pump is connected with an external air supply end; the retort is linked together through the bleeder valve of bottom and thick liquid filter tank, be equipped with two sets of drive shafts in the thick liquid filter tank, be connected with equal detachable filter screen installation roller and filter screen in two sets of drive shafts, the below of filter screen installation roller all is equipped with the receipts material frame that is used for connecing the material, all be fixed with the scraper blade in the receipts material frame, scraper blade and filter screen installation roller looks butt, be equipped with on thick liquid filter tank lateral wall and the corresponding position of receipts material frame and get the material chamber door, the bottom of thick liquid filter tank is connected with the three-way valve, the one port of three-way valve passes through the pipe fitting and links to each other with the input of delivery pump, the output and.
Furthermore, the hollow support comprises a hollow cylindrical part and a hollow pipe, an opening for ventilation is formed in the top of the hollow cylindrical part, the hollow pipe is uniformly distributed on the side wall of the hollow cylindrical part along the circumference and is communicated with the hollow cylindrical part, the other end of the hollow pipe is fixed on the inner wall of the reaction tank, and the first check valve is communicated with the hollow pipe.
Furthermore, the hollow rotating shaft is connected with the top opening of the hollow cylindrical part and is rotationally connected with the hollow cylindrical part through a sealing bearing.
Furthermore, the driving shaft is provided with a limit baffle, the tail end of the driving shaft is provided with a thread section, and the filter screen is installed on the driving shaft in a spline connection mode and is locked and fixed through nuts.
Further, be equipped with the bar recess on the filter screen installation roller, install the detachable layering in the bar recess.
Further, the scraper blade comprises fixed plate and the rubber slab of locating the fixed plate top, rubber slab and filter screen installation roller looks butt.
Preferably, the symmetry is equipped with two sets of L type baffles between two sets of receipts material frames, the upper end and the filter screen looks butt of L type baffle, install the vacuum pump on the lateral wall of thick liquid straining can, the input and the thick liquid straining can of vacuum pump are linked together.
The invention has the beneficial effects that:
the efficient reaction kettle for producing the lithium fluoride, provided by the invention, has a good aeration effect, can accelerate the reaction of carbon dioxide and lithium carbonate, and improves the production efficiency of the lithium fluoride; simultaneously, this reation kettle can also realize that the autosegregation of material is convenient for user's collection, and degree of automation is high, suitable further popularization and application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the hollow stent of the present invention;
FIG. 3 is a schematic view of the construction of the drive shaft of the present invention;
FIG. 4 is a schematic cross-sectional view of a screen mounting roll of the present invention;
FIG. 5 is an enlarged view of the material receiving frame of the present invention;
figure 6 is a top view of an L-type separator plate in a slurry canister.
Description of the main elements
The device comprises a reaction tank-1, a hollow bracket-2, a first one-way valve-3, a hollow rotating shaft-4, a stirring blade-5, a second one-way valve-6, a fixed frame-7, a driven gear-8, a transmission gear-9, a driving motor-10, an air pump-11, a rotary joint-12, a slurry filter tank-13, a driving shaft-14, a filter screen installation roller-15, a filter screen-16, a material receiving frame-17, a scraping plate-18, a material taking box door-19, an L type partition-20, a vacuum pump-21, a conveying pump-22, a three-way valve-23, a nut-24, a hollow cylindrical part-201, a hollow pipe-202, a limit baffle-141, a thread section-142 and a pressing strip-151.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-6, a high-efficiency reaction kettle for producing lithium fluoride comprises a reaction tank 1, wherein the bottom and the side wall of the reaction tank 1 are respectively provided with a discharge valve and feed inlets, the discharge valve is an electric discharge valve, and the feed inlets are divided into two groups, one group is a lithium carbonate slurry feed inlet, and the other group is a hydrogen fluoride solution feed inlet; the inner wall of the reaction tank 1 is provided with a heating component (not shown in the attached drawings) for heating and controlling temperature, wherein the heating component usually adopts a heating wire or a heating plate, and the heating component is electrically connected with an external control system to realize reactionControlling the temperature; the bottom of an inner cavity of a reaction tank 1 is provided with a hollow support 2, the hollow support 2 is evenly provided with a first check valve 3, the top of the hollow support 2 is rotatably connected with a hollow rotating shaft 4, the hollow rotating shaft 4 is communicated with the hollow support 2, the top of the hollow rotating shaft passes through the top of the reaction tank 1, the side wall of the hollow rotating shaft 4 is provided with a plurality of groups of symmetrical stirring blades 5, wherein the length of each stirring blade 5 is 3/5-2/3 of the inner diameter of the reaction tank 1, the hollow rotating shaft 4 is easily damaged due to too large torque borne by the too long stirring blade 5, the material is easily insufficiently mixed due to too short stirring blade 5, and when the length of each stirring blade 5 is 3/5-2/3 of the inner diameter of the reaction tank 1, the overload damage of the hollow rotating shaft 4 can be; an air path communicated with the hollow rotating shaft 4 is arranged in the stirring blade 5, a second one-way valve 6 communicated with the air path inside the stirring blade 5 is uniformly arranged on the stirring blade 5, a fixed frame 7 is fixed at the top of the reaction tank 1, a driving motor 10 and an air pump 11 are respectively arranged at the top of the fixed frame 7, a driven gear 8 is arranged at the upper end of the hollow rotating shaft 4, wherein the driven gear 8 is in spline connection with the hollow rotating shaft 4; a transmission gear 9 is meshed with the side part of the driven gear 8, an output shaft of a driving motor 10 is connected with the transmission gear 9, an air outlet end of an air pump 11 is connected with the hollow rotating shaft 4 through a rotary joint 12, and an air inlet end of the air pump 11 is connected with external CO2The gas supply end is connected; the reaction tank 1 is communicated with a slurry filter tank 13 through a discharge valve at the bottom, wherein the slurry filter tank 13 is a square tank; two groups of driving shafts 14 are arranged in the slurry filtering tank 13, wherein the two groups of driving shafts 14 are synchronously driven to rotate by a motor through a chain wheel and a chain; the two groups of driving shafts 14 are connected with filter screen mounting rollers 15 which are detachable and a filter screen 16 wound between the two groups of filter screen mounting rollers 15, and a switch box door (not shown in the figure) is arranged at the opposite position of the filter screen mounting rollers 15 and the filter screen 16 of the slurry filter tank 13 so as to be convenient for taking out the filter screen mounting rollers 15 and the filter screen 16; a material receiving frame 17 for receiving materials is arranged below the filter screen mounting roller 15, scraping plates 18 are fixed in the material receiving frame 17, the scraping plates 18 are abutted against the filter screen mounting roller 15, a material taking box door 19 is arranged on the side wall of the slurry filter tank 13 corresponding to the material receiving frame 17, a three-way valve 23 is connected to the bottom of the slurry filter tank 13, one port of the three-way valve 23 is communicated with the slurry filter tank 13, and the other port of the three-way valve 23 is communicated with a conveying pump 22 through a pipe fittingIs connected with the input end of the reaction tank 1, and the output end of the delivery pump 22 is communicated with the reaction tank.
Further, the hollow bracket 2 comprises a hollow cylindrical part 201 and a hollow tube 202, an opening for ventilation is arranged at the top of the hollow cylindrical part 201, the hollow tube 202 is uniformly arranged on the side wall of the hollow cylindrical part 201 along the circumference, the hollow tube 202 is communicated with the hollow cylindrical part 201, the other end of the hollow tube 202 is fixed on the inner wall of the reaction tank 1, and the first check valve 3 is communicated with the hollow tube 202; the gas in the hollow rotating shaft 4 can be introduced from the top opening of the hollow cylindrical part 201 and enter each hollow pipe 202, and is discharged through the first one-way valve 3 to realize CO2And the lithium carbonate slurry is fully mixed, so that the lithium carbonate is favorably reacted to generate the lithium bicarbonate.
Further, the hollow rotating shaft 4 is connected with the top opening of the hollow cylindrical member 201 and is rotatably connected with the hollow cylindrical member 201 through a sealed bearing.
Furthermore, a limit baffle 141 is arranged on the driving shaft 14, a threaded section 142 is arranged at the tail end of the driving shaft, the filter screen mounting roller 15 is in splined connection with the driving shaft 14 and is locked and fixed through a nut 24, and the nut 24 is locked and can abut against the filter screen mounting roller 15 to prevent the filter screen mounting roller 15 from shaking back and forth; when screen mounting roller 15 is to be removed, nut 24 is simply unscrewed and screen mounting roller 15 is pulled off drive shaft 14.
Further, a strip-shaped groove is formed in the filter screen mounting roller 15, a detachable pressing strip 151 is mounted in the strip-shaped groove, and the pressing strip 151 is mounted in the strip-shaped groove through a bolt; two ends of the filter screen 16 are respectively wound on the two groups of filter screen mounting rollers 15 in the using process; when winding the screen 16, one end of the screen 16 is placed in the bar groove, the bead 151 is then fitted and the bolt is locked into place, and then the screen 16 is wound around the screen mounting roller 15.
Further, the scraper 18 is composed of a fixed plate and a rubber plate arranged on the top of the fixed plate, and the rubber plate is abutted with the filter screen mounting roller 15; when filter screen 16 is drawn into opposite side filter screen installation roller 15 from one side filter screen installation roller 15, the diameter of filter screen installation roller 15 that filter screen 16 was gone into in the rolling can the grow, and 18 upper ends of scraper blade are the rubber slab, and when filter screen installation roller 15 diameter grow, the rubber slab can carry out compression production deformation and dodge, avoids filter screen 16 to be caused the damage by excessive extrusion.
Furthermore, two L type partition plates 20 are symmetrically arranged between the two material receiving frames 17, wherein the L type partition plate 20 is fixed on the inner wall of the slurry filtering tank 13, the L type partition plate 20 is arranged to enable slurry to flow to the bottom of the slurry filtering tank 13 only from an opening formed by the two L type partition plates 20, the upper end of the L type partition plate 20 is abutted to the filter screen 16, the side wall of the slurry filtering tank 13 is provided with the vacuum pump 21, the input end of the vacuum pump 21 is communicated with the slurry filtering tank 13, and when the vacuum pump 21 works, the space below the L type partition plate 20 is vacuumized, so that the filtering of the slurry on the filter screen 16 is accelerated.
The working principle is as follows:
when the lithium carbonate slurry mixing device is used, lithium carbonate slurry is fed from a feeding hole of the reaction tank 1, the driving motor 10 runs to drive the transmission gear 9 to rotate, the transmission gear 9 drives the hollow rotating shaft 4 and the stirring blade 5 to rotate through the driven gear 8 to mix materials, and then the CO is mixed through the air pump 112Gas is input into the hollow rotating shaft 4, the gas in the hollow rotating shaft 4 flows into the stirring blade 5 and the hollow bracket 2 respectively, the gas in the stirring blade 5 and the hollow bracket 2 is discharged from the second one-way valve 6 and the first one-way valve 3 respectively, is mixed with the lithium carbonate slurry in the reaction tank 1, and CO discharged from the first one-way valve 32Increase CO2The stirring blade 5 rotates to drive the second one-way valve 6 to rotate, so that the full aeration of the slurry is realized, and the reaction efficiency of the slurry is improved; after the slurry is reacted, the slurry is discharged onto a filter screen 16 through a discharge valve, the filter screen 16 filters solid lithium carbonate, liquid lithium bicarbonate flows to the bottom of a slurry filter tank 13, after the slurry is filtered, two groups of driving shafts 14 are driven to rotate in the same direction through an external motor, the driving shafts 14 drive a filter screen mounting roller 15 to rotate, the filter screen mounting roller 15 rotates to convey the solid lithium carbonate on the filter screen 16 to one side, the solid lithium carbonate is scraped into a material collecting frame 17 on one side under the action of a scraper 18, and a user can open a corresponding material taking box door 19 to take out the lithium carbonate for producing industrial lithium fluoride; the filtrate in the slurry tank 13 may be fed into the reaction tank 1 by the transfer pump 22, followed by adding the fluorination to the reaction tank 1The hydrogen solution is subjected to mixing reaction, the reacted liquid is discharged onto a filter screen 16 from a discharge valve at the bottom of the reaction tank 1, the filter screen 16 filters the slurry, the filtered solid component is lithium fluoride, a driving shaft 14 is rotated reversely after the filtering is finished, the driving shaft 14 rotates reversely to drive a filter screen mounting roller 15 to rotate reversely to convey a product on the filter screen 16 to the other side, the product lithium fluoride solid on the filter screen 16 is scraped into a material receiving frame 17 under the action of a scraper 18, and a user can open a corresponding material taking box door 19 to take out the product lithium fluoride; the filtrate remaining in the slurry canister 13 may be discharged from the three-way valve 23 for use in formulating the lithium carbonate slurry.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a lithium fluoride production is with high-efficient reation kettle which characterized in that: including retort (1), be equipped with bleeder valve and feed inlet on the bottom of retort (1) and the lateral wall respectively, be equipped with the heating element who is used for heating accuse temperature on the inner wall of retort (1): the reaction tank is characterized in that a hollow support (2) is arranged at the bottom of an inner cavity of the reaction tank (1), first one-way valves (3) which are uniformly distributed are arranged on the hollow support (2), a hollow rotating shaft (4) is rotatably connected to the top of the hollow support (2), the hollow rotating shaft (4) is communicated with the hollow support (2) and the top of the hollow rotating shaft penetrates through the top of the reaction tank (1), a plurality of groups of stirring blades (5) are symmetrically arranged on the side wall of the hollow rotating shaft (4), gas circuits communicated with the hollow rotating shaft (4) are arranged in the stirring blades (5), second one-way valves (6) communicated with the gas circuits in the stirring blades (5) are uniformly arranged on the stirring blades (5), a fixing frame (7) is fixed at the top of the reaction tank (1), and a driving motor (10) and an air pump (11) are respectively installed at the top of, a driven gear (8) is arranged at the upper end of the hollow rotating shaft (4), a transmission gear (9) is meshed with the side part of the driven gear (8), an output shaft of a driving motor (10) is connected with the transmission gear (9), the air outlet end of the air pump (11) is connected with the hollow rotating shaft (4) through a rotary joint (12), and the air inlet end of the air pump (11) is connected with an external air supply end; the reaction tank (1) is communicated with the slurry filtering tank (13) through a discharge valve at the bottom, two groups of driving shafts (14) are arranged in the slurry filtering tank (13), the two groups of driving shafts (14) can be detachably connected with filter screen mounting rollers (15), a filter screen (16) is wound between the two groups of filter screen mounting rollers (15), a material receiving frame (17) for receiving materials is arranged below the filter screen mounting roller (15), scrapers (18) are fixed in the material receiving frame (17), the scrapers (18) are abutted against the filter screen mounting roller (15), a material taking box door (19) is arranged on the side wall of the slurry filtering tank (13) corresponding to the material receiving frame (17), the bottom of thick liquid straining jar (13) is connected with three-way valve (23), a port of three-way valve (23) links to each other through the input of pipe fitting with delivery pump (22), the output and retort (1) of delivery pump (22) are linked together.
2. The high-efficiency reaction kettle for producing lithium fluoride according to claim 1, characterized in that: the hollow support (2) comprises a hollow cylindrical part (201) and a hollow pipe (202), an opening for ventilation is formed in the top of the hollow cylindrical part (201), the hollow pipe (202) is uniformly distributed on the side wall of the hollow cylindrical part (201) along the circumference, the hollow pipe (202) is communicated with the hollow cylindrical part (201), the other end of the hollow pipe (202) is fixed on the inner wall of the reaction tank (1), and the first check valve (3) is communicated with the hollow pipe (202).
3. The high-efficiency reaction kettle for producing lithium fluoride according to claim 2, characterized in that: the hollow rotating shaft (4) is connected with the top opening of the hollow cylindrical part (201) and is rotationally connected with the hollow cylindrical part (201) through a sealing bearing.
4. The high-efficiency reaction kettle for producing lithium fluoride according to claim 1, characterized in that: the filter screen mounting roller is characterized in that a limiting baffle (141) is arranged on the driving shaft (14), a threaded section (142) is arranged at the tail end of the driving shaft, and the filter screen mounting roller (15) is connected to the driving shaft (14) in a spline mode and is locked and fixed through a nut (24).
5. The high-efficiency reaction kettle for producing lithium fluoride according to claim 1, characterized in that: be equipped with the bar recess on filter screen installation roller (15), install detachable layering (151) in the bar recess.
6. The high-efficiency reaction kettle for producing lithium fluoride according to claim 1, characterized in that: scraper blade (18) comprise fixed plate and the rubber slab of locating the fixed plate top, rubber slab and filter screen installation roller (15) looks butt.
7. The high-efficiency reaction kettle for producing the lithium fluoride according to any one of claims 1 to 6, wherein two groups of L-type partition plates (20) are symmetrically arranged between two groups of material receiving frames (17), the upper end of the L-type partition plate (20) is abutted to a filter screen (16), a vacuum pump (21) is installed on the side wall of the slurry filtering tank (13), and the input end of the vacuum pump (21) is communicated with the slurry filtering tank (13).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010465162.8A CN111468061A (en) | 2020-05-28 | 2020-05-28 | Lithium fluoride production is with high-efficient reation kettle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010465162.8A CN111468061A (en) | 2020-05-28 | 2020-05-28 | Lithium fluoride production is with high-efficient reation kettle |
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| CN111468061A true CN111468061A (en) | 2020-07-31 |
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|---|---|---|---|---|
| CN112295528A (en) * | 2020-10-29 | 2021-02-02 | 王婷 | Reaction tank for producing p-hydroxyacetophenone |
| CN113694839A (en) * | 2021-09-03 | 2021-11-26 | 河南氢力能源有限公司 | High-efficiency hydrogenation reactor for producing furfuryl alcohol by furfural hydrogenation |
| CN114130097A (en) * | 2021-12-09 | 2022-03-04 | 连云港冠昕医药科技有限公司 | Purification method and device for preparing L-5-methyl tetrahydrocalcium folate |
-
2020
- 2020-05-28 CN CN202010465162.8A patent/CN111468061A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112295528A (en) * | 2020-10-29 | 2021-02-02 | 王婷 | Reaction tank for producing p-hydroxyacetophenone |
| CN113694839A (en) * | 2021-09-03 | 2021-11-26 | 河南氢力能源有限公司 | High-efficiency hydrogenation reactor for producing furfuryl alcohol by furfural hydrogenation |
| CN114130097A (en) * | 2021-12-09 | 2022-03-04 | 连云港冠昕医药科技有限公司 | Purification method and device for preparing L-5-methyl tetrahydrocalcium folate |
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