CN113603118A - Recycling device for preparing lithium hexafluorophosphate and installation method thereof - Google Patents
Recycling device for preparing lithium hexafluorophosphate and installation method thereof Download PDFInfo
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- CN113603118A CN113603118A CN202110926143.5A CN202110926143A CN113603118A CN 113603118 A CN113603118 A CN 113603118A CN 202110926143 A CN202110926143 A CN 202110926143A CN 113603118 A CN113603118 A CN 113603118A
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- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D15/00—Lithium compounds
- C01D15/005—Lithium hexafluorophosphate
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Abstract
The invention discloses a recycling device for preparing lithium hexafluorophosphate and an installation method thereof. The method comprises the following steps: a. mounting a mounting bracket; b. adjusting the inclination angle of the support frame; c. welding the inclined plate and the bottom plate; d. supporting the inclined plate; e. mounting to obtain a first tank body; f. installing a compression plate; g. rotating 180 degrees and installing a material conveying pipe; h. welding a positioning bracket; i. mounting to obtain a second tank body; j. resetting and integrally taking out the mother liquor storage tank; k. and connecting the mother liquor storage tank with the lithium fluoride dissolving tank. According to the invention, the impact force of the mother liquor on the first tank body is transmitted to the mounting bracket through the support frame, and the first tank body buffers the entering mother liquor, so that the structures of the first tank body and the second tank body are not easy to damage.
Description
Technical Field
The invention belongs to the technical field of lithium hexafluorophosphate preparation, and particularly relates to a recycling device for preparing lithium hexafluorophosphate and an installation method thereof.
Background
Lithium hexafluorophosphate is currently the most widely used electrolyte salt in commercial lithium ion batteries. With the rapid development of the electronic industry and the continuous expansion of new energy fields in the future, the demand for high-performance batteries is increasing, and the market demand for lithium hexafluorophosphate will show a rapid increase trend.
China Special interest 2019.12.10 discloses an invention named as a lithium hexafluorophosphate continuous production system (application number: CN201911254953.X), wherein an output material of a microchannel reactor enters a gas-liquid separator, a liquid mixed material separated by the gas-liquid separator sequentially enters a synthesis liquid tank and a crystallization tank to crystallize lithium hexafluorophosphate, and a mother liquid after crystallization and filtration is stored in a mother liquid tank. And (4) quantitatively analyzing the mother liquor in the mother liquor tank to determine the content of lithium hexafluorophosphate in the mother liquor, and then sending the mother liquor to a LiF dissolving tank to quantitatively prepare the LiF dissolving solution. The HF solution containing lithium hexafluorophosphate dissolved a measured amount of LiF and was fed to the microchannel reactor for reaction, i.e., microchannel reactor B6 contained a third feed stream. Thus, the prior art discloses that the mother liquor storage tank and the lithium fluoride dissolving tank have the effect of recycling.
However, in the prior art, when the mother liquid is input into the mother liquid tank, the mother liquid tank is subjected to a large impact effect, so that the phenomenon of dumping is easy to occur, and the structure of the mother liquid tank is easy to damage. The above technical problem is solved by the person skilled in the art by dividing the mother liquor tank into two zones, one for the feed, controlling the impact effect of the mother liquor and the other for the stock. Therefore, how to design the mother liquid tank of the two areas is a technical problem to be solved by the technical personnel in the field.
Disclosure of Invention
The present invention is intended to solve the above-mentioned technical problems in the prior art, and to provide a recycling apparatus for lithium hexafluorophosphate production and a method of installing the same.
The mother liquor storage tank is designed into two areas, namely a first tank body and a second tank body, wherein the first tank body is used for feeding materials, and the second tank body is used for storing the mother liquor obtained after lithium hexafluorophosphate crystallization and filtration. Through being the down-trapezoidal with the first jar of body design for form the bearing space between the hang plate of the first jar of body and the inboard of the second jar of body, can be in bearing space erection bracing frame, the support frame supports the hang plate of the first jar of body, fix the support frame to the installing support again, make the first jar of body receive the impact force of mother liquor can transmit the installing support through the support frame on, and then increased the bearing capacity of the first jar of body, avoid the structure of the first jar of body impaired, the first jar of body cushions the mother liquor that gets into, flow gradually to the second jar of body, make the structure of the second jar of body also be difficult for impairedly.
In the installation process, the support frame is firstly installed, then the inclined plate is determined through the support frame, and the whole first tank body is installed through the inclined plate. If the second tank body is directly installed on the first tank body, the second tank body is located below the first tank body at the moment, the first tank body and the second tank body are not easy to seal, and the installation position of the second tank body is not easy to determine. The first tank body rotates 180 degrees, the first tank body cannot be supported, the pressing plate is fixed at the top end of the first connecting rod through screws, and after the first tank body rotates 180 degrees, the first tank body is supported on the pressing plate and can apply acting force on the first tank body to perform positioning welding fixing on the second tank body. Then rotate 180 to the mother liquor holding vessel that obtains, get back to the position of normal installation with the mother liquor holding vessel, be convenient for mother liquor holding vessel and lithium fluoride dissolving tank connect.
In order to solve the technical problems, the invention adopts the following technical scheme:
preparation lithium hexafluorophosphate is with retrieving device of recycling, including mother liquor holding vessel and lithium fluoride dissolving tank, the lithium fluoride dissolving tank passes through the pipeline and is connected with the mother liquor holding vessel. The method is characterized in that: the mother liquor storage tank comprises a first tank body, a second tank body and a mounting support, wherein the first tank body is used for feeding, the second tank body is used for storing mother liquor obtained after lithium hexafluorophosphate crystallization and filtration, and the end part of the first tank body extends into a cavity of the second tank body. The first jar of body is including mutual welded fastening's bottom plate, the hang plate, bounding wall and roof, the first jar of body is down trapezoidal, the roof is equipped with the feed inlet, the bottom plate is equipped with the communicating first through-hole of the second jar of body, the bottom plate is equipped with hollow structure's conveying pipeline, adopt the closing plate to carry out sealing connection between the inboard of the conveying pipeline and the second jar of body, the inboard welded fastening of the bounding wall and the second jar of body, form bearing space between the inboard of the hang plate and the second jar of body, the installing support is equipped with the support frame, the support frame stretches into in the bearing space, and support the hang plate. The second jar of body and installing support fixed connection, the second jar of body is equipped with the discharge gate.
The mother liquor storage tank is designed into two areas, namely a first tank body and a second tank body, wherein the first tank body is used for feeding materials, and the second tank body is used for storing the mother liquor obtained after lithium hexafluorophosphate crystallization and filtration. Through being the down-trapezoidal with the first jar of body design for form the bearing space between the hang plate of the first jar of body and the inboard of the second jar of body, can be in bearing space erection bracing frame, the support frame supports the hang plate of the first jar of body, fix the support frame to the installing support again, make the first jar of body receive the impact force of mother liquor can transmit the installing support through the support frame on, and then increased the bearing capacity of the first jar of body, avoid the structure of the first jar of body impaired, the first jar of body cushions the mother liquor that gets into, flow gradually to the second jar of body, make the structure of the second jar of body also be difficult for impairedly.
Further, the support frame includes fixing base, linking arm and backup pad, and the fixing base welding has the otic placode on the installing support, and the fixing base welding has the otic placode, and linking arm fixedly connected with pivot, the otic placode is passed in the pivot, and the pivot is equipped with first nut, through the loosening and screwing up to first nut, rotates the pivot on the otic placode for the linking arm rotates on the otic placode, and the backup pad is installed on the linking arm, and the backup pad is used for supporting the hang plate. The technical problem of the support frame rotating on the mounting bracket is solved, and meanwhile, a longer connecting arm is combined, so that the inclined plate can be fully contacted with the connecting arm, and the supporting effect of the support frame on the inclined plate is fully exerted.
Further, the linking arm is equipped with the groove of sliding, and the backup pad is equipped with the threaded rod, and the threaded rod passes the groove of sliding, and the threaded rod removes along the length of linking arm on the groove of sliding, and the threaded rod is equipped with the second nut, through the tightening to the second nut for the backup pad is fixed on the linking arm. Remove along the length of linking arm through the threaded rod on the groove that slides for the backup pad contacts the hang plate and supports, has confirmed the mounted position of the first jar of body simultaneously, the installation of the later stage second jar of body of being convenient for.
Further, the installing support includes head rod and second connecting rod, the vertical setting of head rod, and the horizontal welding of second connecting rod is on the head rod, and the top of head rod is equipped with the pressure strip, and the pressure strip passes through the screw fixation in the top department of head rod, and the pressure strip compresses tightly the top plate, and the pressure strip is equipped with the second through-hole, and the feed inlet is located in the second through-hole. Because the first tank body needs to be rotated by 180 degrees in the installation process, the pressing plate is adopted to support the first tank body. And the first connecting rod can be fixed on the rotating support through a screw, and the first tank body can be rotated through rotating the rotating support.
Furthermore, the inclined plate is welded with a positioning support which is provided with a positioning plate, the positioning plate is welded on the inner side of the second tank body, and the positioning plate is used for determining the mounting position of the second tank body on the first tank body.
Further, the below of mother liquor holding vessel is equipped with the collet, and the bottom of the second jar of body is equipped with the spacing groove, and the collet is equipped with spacing arch, and spacing arch is located in the spacing groove for the mother liquor holding vessel is spacing on the collet, increases the stability of whole mother liquor holding vessel, can set up the mounting hole at the lateral part of collet, and through the mounting hole to the mother liquor holding vessel application of force, be convenient for twist the screw between head rod and collet.
The installation method of the recycling device for preparing lithium hexafluorophosphate is characterized by comprising the following steps of:
a. install two installing supports symmetry on two rotating support: the fixing seat on the supporting frame is welded between the first connecting rods, the first connecting rods are fixed on the rotating supports through screws, one of the rotating supports is provided with a motor, the rotating support rotates on the supporting seat through a connecting shaft, and a motor shaft of the motor is fixedly connected with one of the connecting shafts.
b. Adjusting the inclination angle of the support frame: and according to the set inclination angle of the inclined plate, rotating a rotating shaft fixedly connected to the connecting arm on an ear plate welded on the fixed seat, so that the inclination angle of the connecting arm is the same as the set inclination angle of the inclined plate, and then screwing a first nut on the rotating shaft on the ear plate.
c. And welding the two inclined plates at the set inclined angle at two sides of the bottom plate.
d. Supporting the inclined plate: the inclined plate is placed on the connecting arm, the inclined plate is tightly attached to the connecting arm at the moment, the threaded rod of the supporting plate slides into the sliding groove of the connecting arm, the threaded rod moves in the sliding groove, and when the bottom surface of the inclined plate is supported by the supporting plate, the second nut of the threaded rod is screwed on the connecting arm.
e. Installing to obtain a first tank body: the coamings are welded on the two sides of the inclined plate and the bottom plate after the shaping is finished, the top plate and the coamings provided with the feed inlet are welded and fixed, and the contact part of the top plate and the inclined plate is welded.
f. A compression plate is fixed at the top end of the first connecting rod through a screw, the compression plate compresses the top plate at the moment, and meanwhile, the feed inlet penetrates through a second through hole of the compression plate.
g. The control motor rotates the rotating support through the connecting shaft and rotates 180 degrees on the supporting seat, at the moment, the feed inlet of the top plate is arranged downwards, the first tank body is supported on the pressing plate, and the feeding pipe with a hollow structure is welded on the bottom plate.
h. Two symmetrical positioning supports are welded on the outer side of each inclined plate, the positioning plates on the positioning supports are kept in a vertical state, and the positioning plates on the two positioning supports on the same inclined plate are tightly attached and welded with each other.
i. The installation obtains the second jar of body, and the second jar of body includes four plate bodies and seal receptacle: the mother liquor storage tank is characterized in that two plate bodies are vertically positioned and welded on a positioning plate, a first sealing plate is welded between the plate body connected to the positioning plate and a conveying pipeline, another two plate bodies are welded between the two plate bodies, a second sealing plate is welded between the outer two plate bodies, the conveying pipeline and the first sealing plate, the inner side of a second tank body and the outer side of the conveying pipeline are sealed, sealing seats are welded on the outer sides of the four plate bodies, limiting grooves are formed in the sealing seats, the sealing seats and a first connecting rod are welded and fixed at the same time, a second connecting rod is welded between the first connecting rod, and the second connecting rod and the sealing seats are welded and fixed at the same time, so that the mother liquor storage tank is obtained.
j. The control motor rotates the support through the connecting axle and rotates 180 on the supporting seat, and the feed inlet of roof sets up this moment, and the spacing groove of seal receptacle sets up down, twists out the screw between head rod and the rotation support again, wholly takes out the mother liquor holding vessel.
k. On placing the collet with the mother liquor holding vessel, the spacing protruding card of collet passes through screw fixed connection with head rod and collet again in the spacing groove of seal receptacle, then will fluoridize the lithium dissolving tank and pass through the pipeline and be connected with the mother liquor holding vessel.
Further, adopt the movable support to wholly take out the mother liquor holding vessel, the movable support includes H shaped steel board and the baffle of welding on H shaped steel board, will remove the support again and correspond immigration mother liquor holding vessel department, the H shaped steel board setting is in the below of mother liquor holding vessel this moment, and the mother liquor holding vessel is hugged closely to the baffle, twists out the head rod again and rotates the screw between the support, then will remove the support and outwards remove, wholly take out the mother liquor holding vessel. The mother liquor holding vessel that accomplishes the installation is supported through removing the support, when twisting out the head rod and rotating the screw between the support, the mother liquor holding vessel can not overturn, improves the security.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
(1) the mother liquor storage tank is designed into two areas, namely a first tank body and a second tank body, wherein the first tank body is used for feeding materials, and the second tank body is used for storing the mother liquor obtained after lithium hexafluorophosphate crystallization and filtration. Through being the down-trapezoidal with the design of the first jar of body, make and form the bearing space between the hang plate of the first jar of body and the inboard of the second jar of body, can be in bearing space erection bracing frame, the hidden design of support frame, the support frame receives external influence less, full play support frame is to the supporting role of the hang plate of the first jar of body, fix the support frame to the installing support again on, make the first jar of body receive the impact force of mother liquor can transmit the installing support through the support frame on, and then increased the bearing capacity of the first jar of body, avoid the structure of the first jar of body impaired, the first jar of body cushions the mother liquor that gets into, flow gradually to the second jar of body, make the structure of the second jar of body also be difficult for impaired, the anti-deformation ability of mother liquor holding vessel has been improved, improve the life of mother liquor holding vessel. And under installing support and the collet interact, can avoid the mother liquor holding vessel to appear falling the phenomenon of turning over.
(2) In the installation process, the support frame is installed firstly, then the inclined plate is determined through the support frame, the installation position of the first tank body can be determined, and the whole first tank body is installed through the inclined plate. If the second tank body is directly installed on the first tank body, the second tank body is located below the first tank body at the moment, the first tank body and the second tank body are not easy to seal, and the installation position of the second tank body is not easy to determine. The first tank body and the second tank body can be sealed by welding a first sealing plate between the plate body connected to the positioning plate and the material conveying pipe, then welding the other two plate bodies between the two plate bodies, and then welding a second sealing plate between the outer two plate bodies, the material conveying pipe and the first sealing plate; meanwhile, the position of the second tank body in the first tank body can be determined by welding two symmetrical positioning brackets on the outer side of each inclined plate. And the second jar of body is installed behind the first jar of body, and during the support space that the support frame stretched into and formed between the inboard of the hang plate and the second jar of body, can carry out hidden design to the support frame, solved the technical problem how the scheme of the split type installation of the first jar of body and the second jar of body installation support frame, can full play support effect of support frame to the hang plate. The first tank body rotates 180 degrees, the first tank body cannot be supported, the pressing plate is fixed at the top end of the first connecting rod through screws, and after the first tank body rotates 180 degrees, the first tank body is supported on the pressing plate and can apply acting force on the first tank body to perform positioning welding fixing on the second tank body. Then rotate 180 to the mother liquor holding vessel that obtains, get back to the position of normal installation with the mother liquor holding vessel, be convenient for mother liquor holding vessel and lithium fluoride dissolving tank connect.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural view of a recycling apparatus for preparing lithium hexafluorophosphate in the present invention;
FIG. 2 is a schematic view of a mother liquor storage tank according to the present invention;
FIG. 3 is a schematic view of the structure of the base support of the present invention;
FIG. 4 is a schematic structural view of the present invention when the tilt angle of the supporting frame is adjusted;
FIG. 5 is an exploded view of the support frame of the present invention;
FIG. 6 is a schematic view of the present invention in a configuration supporting an inclined plate;
FIG. 7 is a schematic view of the present invention in a configuration in which the first tank is installed;
FIG. 8 is a schematic view of the present invention in the configuration for installing the compacting plate;
FIG. 9 is a schematic view of the present invention in a state where a hollow feed conveyor pipe is welded to a bottom plate;
FIG. 10 is a schematic view of the connection between the positioning bracket and the positioning plate according to the present invention;
FIG. 11 is a schematic view of the present invention in the configuration of welding the first and second seal plates;
FIG. 12 is a schematic diagram of the present invention in a configuration where a mother liquor storage tank is obtained;
FIG. 13 is a schematic view of the present invention in a configuration in which the mother liquor storage tank is removed in its entirety;
fig. 14 is a schematic structural view of the mobile bracket of the present invention.
In the figure, 1-mother liquor storage tank; 2-a lithium fluoride dissolving tank; 3-pipeline; 4-microchannel reactor; 5-a crystallization tank; 6-a first tank; 7-a second tank; 8-a support space; 9-mounting a bracket; 10-mounting holes; 11-bottom support; 12-a limit protrusion; 13-a support base; 14-rotating the bracket; 15-a connecting shaft; 16-an electric machine; 17-a motor shaft; 18-a first connecting rod; 19-a support frame; 20-ear plate; 21-a fixed seat; 22-a rotating shaft; 23-a first nut; 24-a linker arm; 25-a slipping groove; 26-a support plate; 27-a threaded rod; 28-a second nut; 29-inclined plates; 30-a bottom plate; 31-a first via; 32-enclosing plates; 33-a top plate; 34-a feed inlet; 35-a compression plate; 36-a second via; 37-a positioning bracket; 38-positioning plate; 39-a delivery pipe; 40-a first seal plate; 41-a second sealing plate; 42-a plate body; 43-a discharge hole; 44-a sealing seat; 45-limiting groove; 46-a second connecting rod; 47-moving the support; 48-H type steel plate; 49-baffle.
Detailed Description
As shown in fig. 1 to 14, the recycling device for preparing lithium hexafluorophosphate of the present invention comprises a mother liquor storage tank 1 and a lithium fluoride dissolving tank 2, wherein the mother liquor storage tank 1 is connected with a crystallization tank 5, the lithium fluoride dissolving tank 2 is connected with the mother liquor storage tank 1 through a pipeline 3, and the lithium fluoride dissolving tank 2 is connected with a microchannel reactor 4.
Mother liquor holding vessel 1 includes the first jar of body 6, the second jar of body 7 and installing support 9, and the first jar of body 6 is used for the feeding, and the second jar of body 7 is used for storing the mother liquor after lithium hexafluorophosphate crystallization filters, and the tip of the first jar of body 6 stretches into in the cavity of the second jar of body 7. The first tank 6 comprises a bottom plate 30, an inclined plate 29, a surrounding plate 32 and a top plate 33 which are welded and fixed with each other, the first tank 6 is in an inverted trapezoid shape, the top plate 33 is provided with a feeding hole 34, and the bottom plate 30 is provided with a first through hole 31 communicated with the second tank 7. The bottom plate 30 is provided with a material conveying pipe 39 with a hollow structure, the material conveying distance is increased, the material conveying pipe 39 is in sealing connection with the inner side of the second tank body 7 through a sealing plate, the enclosing plate 32 is welded and fixed with the inner side of the second tank body 7, a supporting space 8 is formed between the inclined plate 29 and the inner side of the second tank body 7, the mounting support 9 is provided with a support frame 19, and the support frame 19 extends into the supporting space 8 and supports the inclined plate 29. The second jar of body 7 and installing support 9 fixed connection, the second jar of body 7 are equipped with discharge gate 43.
The invention designs a mother liquor storage tank 1 into two areas, namely a first tank body 6 and a second tank body 7, wherein the first tank body 6 is used for feeding, and the second tank body 7 is used for storing mother liquor after lithium hexafluorophosphate crystallization and filtration. Through designing the first jar of body 6 for the trapezium that falls for form bearing space 8 between the inboard of the hang plate 29 of the first jar of body 6 and the second jar of body 7, can install support frame 19 in bearing space 8, support frame 19 supports the hang plate 29 of the first jar of body 6, fix support frame 19 to installing support 9 again, make the impact force that the first jar of body 6 received the mother liquor can transmit to installing support 9 through support frame 19 on, and then increased the bearing capacity of the first jar of body 6, avoid the structure of the first jar of body 6 impaired, the first jar of body 6 cushions the mother liquor that gets into, flow gradually to the second jar of body 7, make the structure of the second jar of body 7 also be difficult for impaired.
The support frame 19 comprises a fixed seat 21, a connecting arm 24 and a support plate 26, the fixed seat 21 is welded on the mounting support 9, the fixed seat 21 is welded with an ear plate 20, the connecting arm 24 is fixedly connected with a rotating shaft 22, the rotating shaft 22 penetrates through the ear plate 20, the rotating shaft 22 is provided with a first nut 23, the rotating shaft 22 is rotated on the ear plate 20 through unscrewing and screwing the first nut 23, the connecting arm 24 is rotated on the ear plate 20, the support plate 26 is installed on the connecting arm 24, and the support plate 26 is used for supporting an inclined plate 29. The technical problem of the support frame 19 rotating on the mounting bracket 9 is solved, and meanwhile, the long connecting arm 24 is combined, so that the inclined plate 29 can be fully contacted with the connecting arm 24, and the support effect of the support frame 19 on the inclined plate 29 is fully exerted. Connecting arm 24 is equipped with the groove of sliding 25, and backup pad 26 is equipped with threaded rod 27, and threaded rod 27 passes the groove of sliding 25, and threaded rod 27 moves along the length of connecting arm 24 on the groove of sliding 25, and threaded rod 27 is equipped with second nut 28, through the tightening to second nut 28 for backup pad 26 is fixed on connecting arm 24. The support plate 26 supports the inclined plate 29 in contact by moving the threaded rod 27 along the length of the connecting arm 24 on the sliding slot 25, and at the same time determines the mounting position of the first tank 6, facilitating the later mounting of the second tank 7.
The mounting bracket 9 comprises a first connecting rod 18 and a second connecting rod 46, the first connecting rod 18 is vertically arranged, the second connecting rod 46 is horizontally welded on the first connecting rod 18, a pressing plate 35 is arranged on the top end of the first connecting rod 18, the pressing plate 35 is fixed at the top end of the first connecting rod 18 through screws, the pressing plate 35 compresses the top plate 33, the pressing plate 35 is provided with a second through hole 36, and the feed inlet 34 is arranged in the second through hole 36. Since the first tank needs to be rotated 180 ° during the installation process, the first tank 6 is supported by the pressing plate 35. The first connecting rod 18 may be fixed to the rotating bracket by a screw, and the first tank 6 may be rotated by rotating the rotating bracket.
A positioning bracket 37 is welded on the inclined plate 29, the positioning bracket 37 is provided with a positioning plate 38, the positioning plate 38 is welded on the inner side of the second tank 7, and the positioning plate 38 is used for determining the mounting position of the second tank 7 on the first tank 6.
The below of mother liquor holding vessel 1 is equipped with collet 11, the bottom of the second jar of body 7 is equipped with spacing groove 45, collet 11 is equipped with spacing arch 12, spacing arch 12 is located in spacing groove 45, make mother liquor holding vessel 1 spacing on collet 11, increase the stability of whole mother liquor holding vessel 1, can set up mounting hole 10 at the lateral part of collet 11, through the mounting hole 10 to 1 application of force of mother liquor holding vessel, be convenient for twist the screw between head rod 18 and collet 11.
The installation method of the recycling device for preparing lithium hexafluorophosphate comprises the following steps:
a. the two mounting brackets 9 are symmetrically mounted on the two rotating brackets 14: the fixed seats 21 on the supporting frames 19 are welded between the first connecting rods 18, then the first connecting rods 18 are fixed on the rotating brackets 14 through screws, one of the rotating brackets 14 is provided with the motor 16, the rotating bracket 14 rotates on the supporting seat 13 through the connecting shaft 15, and the motor shaft 17 of the motor 16 is fixedly connected with one of the connecting shafts 15.
b. Adjusting the inclination angle of the support frame 19: according to the set inclination angle of the inclined plate 29, the rotating shaft 22 fixedly connected to the connecting arm 24 is rotated on the lug plate 20 welded to the fixed seat 21, so that the connecting arm 24 maintains the same inclination angle as the inclined plate 29, and then the first nut 23 on the rotating shaft 22 is screwed on the lug plate 20.
c. Two inclined plates 29 are welded to both sides of the base plate 30 while maintaining a set inclination angle.
d. The inclined plate 29 is supported: the inclined plate 29 is placed on the connecting arm 24, the inclined plate 29 is tightly attached to the connecting arm 24, the threaded rod 27 of the supporting plate 26 is slid into the sliding groove 25 of the connecting arm 24, the threaded rod 27 is moved in the sliding groove 25, and when the supporting plate 26 supports the bottom surface of the inclined plate 29, the second nut 28 of the threaded rod 27 is screwed to the connecting arm 24.
e. The installation obtains first jar of body 6: and welding enclosing plates 32 on two sides of the shaped inclined plate 29 and the bottom plate 30, welding and fixing a top plate 33 provided with a feed inlet 34 and the enclosing plates 32, and welding the contact part of the top plate 33 and the inclined plate 29.
f. A pressing plate 35 is screwed to the top end of the first connecting rod 18, and the pressing plate 35 presses the top plate 33, and the feed port 34 passes through the second through hole 36 of the pressing plate 35.
g. The control motor 16 rotates the rotating bracket 14 on the supporting seat 13 through the connecting shaft 15 for 180 degrees, at this time, the feeding hole 34 of the top plate 33 is arranged downwards, the first tank body 6 is supported on the pressing plate 35, and a feeding pipe 39 with a hollow structure is welded on the bottom plate 30.
h. Two symmetrical positioning brackets 37 are welded on the outer side of each inclined plate 29, the positioning plates 38 on the positioning brackets 37 are kept in a vertical state, and the positioning plates 38 on the two positioning brackets 37 on the same inclined plate 29 are tightly adhered and welded with each other.
i. The installation results in the second jar of body 7, and the second jar of body 7 includes four plate bodies 42 and seal receptacle 44: two plate bodies 42 are vertically positioned and welded on the positioning plate 38, a first sealing plate 40 is welded between the plate body 42 connected on the positioning plate 38 and the feed delivery pipe 39, another two plate bodies 42 are welded between the two plate bodies 42, a second sealing plate 41 is welded between the outer two plate bodies 42, the feed delivery pipe 39 and the first sealing plate 40, so that the inner side of the second tank body 7 and the outer side of the feed delivery pipe 39 are sealed, a sealing seat 44 is welded on the outer sides of the four plate bodies 42, the sealing seat 44 is provided with a limiting groove 45, the sealing seat 44 and the first connecting rod 18 are welded and fixed, a second connecting rod 46 is welded between the first connecting rods 18, and the second connecting rod 46 and the sealing seat 44 are welded and fixed at the same time, so that the mother liquid storage tank 1 is obtained.
j. The control motor 16 rotates the rotating bracket 14 through the connecting shaft 15 to rotate 180 degrees on the supporting seat 13, at this time, the feeding hole 34 of the top plate 33 is arranged upwards, the limiting groove 45 of the sealing seat 44 is arranged downwards, then the screw between the first connecting rod 18 and the rotating bracket 14 is screwed out, and the mother liquor storage tank 1 is integrally taken out.
k. On placing collet 11 with mother liquor holding vessel 1, the spacing groove 45 of seal receptacle 44 is gone into to the spacing arch 12 card of collet 11, passes through screw fixed connection with head rod 18 and collet 11 again, then connects lithium fluoride dissolving tank 2 through pipeline 3 and mother liquor holding vessel 1.
Adopt and remove support 47 and wholly take out mother liquor holding vessel 1, remove support 47 and include H shaped steel plate 48 and the baffle 49 of welding on H shaped steel plate 48, will remove support 47 again and correspond immigration mother liquor holding vessel 1 department, H shaped steel plate 48 sets up the below at mother liquor holding vessel 1 this moment, mother liquor holding vessel 1 is hugged closely to baffle 49, unscrew the screw between head rod 18 and the rotation support 14 again, then will remove support 47 and outwards remove, wholly take out mother liquor holding vessel 1. The mounted mother liquor storage tank 1 is supported by the movable bracket 47, and when the screw between the first connecting rod 18 and the rotary bracket 14 is screwed out, the mother liquor storage tank 1 cannot be overturned, so that the safety is improved.
In the installation process of the invention, the support frame 19 is installed firstly, then the inclined plate 29 is determined through the support frame 19, the installation position of the first tank 6 can be determined, and the whole first tank 6 is installed through the inclined plate 29. If the second tank 7 is directly installed on the first tank 6, the second tank 7 is located below the first tank 6, the first tank 6 and the second tank 7 are not easy to seal, and the installation position of the second tank 7 is not easy to determine. The first tank body 6 and the second tank body 7 can be sealed by welding a first sealing plate 40 between a plate body 42 connected to the positioning plate 38 and the feed delivery pipe 39, then welding another two plate bodies 42 between the two plate bodies 42, and then welding a second sealing plate 41 between the outer two plate bodies 42, the feed delivery pipe 39 and the first sealing plate 40; at the same time, the position of the second tank 7 in the first tank 6 can be determined by welding two symmetrical positioning brackets 37 on the outer side of each inclined plate 29. And after the second tank body 7 is arranged on the first tank body 6, the supporting frame 19 extends into the supporting space 8 formed between the inclined plate 29 and the inner side of the second tank body 7, the supporting frame 19 can be designed in a hidden manner, the technical problem of how to arrange the supporting frame 19 by adopting the split type arrangement of the first tank body 6 and the second tank body 7 is solved, and the supporting effect of the supporting frame 19 on the inclined plate 29 can be fully exerted. Because the first tank 6 rotates 180 degrees, the first tank 6 cannot be supported, so the pressing plate 35 is fixed at the top end of the first connecting rod 18 through screws, and after the first tank 6 rotates 180 degrees, the first tank 6 is supported on the pressing plate 35, and acting force can be applied to the first tank 6 to position, weld and fix the second tank 7. Then rotate 180 to the mother liquor holding vessel 1 that obtains, get back to the position of normal installation with mother liquor holding vessel 1, the mother liquor holding vessel 1 and lithium fluoride dissolving tank 2 of being convenient for are connected.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.
Claims (8)
1. Preparation lithium hexafluorophosphate is with retrieving recycle device includes:
a mother liquor storage tank;
the lithium fluoride dissolving tank is connected with the mother liquor storage tank through a pipeline;
the method is characterized in that:
the mother liquor storage tank comprises a first tank body, a second tank body and a mounting bracket, wherein the first tank body is used for feeding, the second tank body is used for storing mother liquor obtained after lithium hexafluorophosphate crystallization and filtration, and the end part of the first tank body extends into a cavity of the second tank body;
the first tank body comprises a bottom plate, an inclined plate, a surrounding plate and a top plate which are welded and fixed with each other, the first tank body is in an inverted trapezoid shape, the top plate is provided with a feed inlet, the bottom plate is provided with a first through hole communicated with the second tank body, the bottom plate is provided with a feed delivery pipe with a hollow structure, the feed delivery pipe is in sealing connection with the inner side of the second tank body through a sealing plate, the surrounding plate is welded and fixed with the inner side of the second tank body, a supporting space is formed between the inclined plate and the inner side of the second tank body, the mounting bracket is provided with a supporting frame, and the supporting frame extends into the supporting space and supports the inclined plate;
the second jar of body with installing support fixed connection, the second jar of body is equipped with the discharge gate.
2. The apparatus for recycling lithium hexafluorophosphate of claim 1, wherein: the support frame includes fixing base, linking arm and backup pad, the fixing base welding is in on the installing support, the fixing base welding has the otic placode, linking arm fixedly connected with pivot, the pivot is passed the otic placode, the pivot is equipped with first nut, and is through right the unscrewing and screwing up of first nut will the pivot is in rotate on the otic placode for the linking arm is in rotate on the otic placode, the backup pad is installed on the linking arm, the backup pad is used for right the hang plate supports.
3. The apparatus for recycling lithium hexafluorophosphate of claim 2, wherein: the linking arm is equipped with the groove of sliding, the backup pad is equipped with the threaded rod, the threaded rod passes the groove of sliding, the threaded rod is in slide on the groove along the length of linking arm removes, the threaded rod is equipped with the second nut, through right screwing up of second nut for the backup pad is fixed on the linking arm.
4. The apparatus for recycling lithium hexafluorophosphate of claim 3, wherein: the mounting bracket comprises a first connecting rod and a second connecting rod, the first connecting rod is vertically arranged, the second connecting rod is horizontally welded on the first connecting rod, a pressing plate is arranged at the top end of the first connecting rod and fixed at the top end of the first connecting rod through screws, the pressing plate is opposite to the top plate and is tightly pressed, a second through hole is formed in the pressing plate, and the feed inlet is formed in the second through hole.
5. The apparatus for recycling lithium hexafluorophosphate of claim 1, wherein: the welding of hang plate has the locating support, the locating support is equipped with the locating plate, the locating plate welding is in on the inboard of the second jar of body.
6. The apparatus for recycling lithium hexafluorophosphate of claim 1, wherein: the below of mother liquor holding vessel is equipped with the collet, the bottom of the second jar of body is equipped with the spacing groove, the collet is equipped with spacing arch, spacing arch is located in the spacing groove, make the mother liquor holding vessel is spacing on the collet.
7. The method for mounting a recovery and reuse apparatus for producing lithium hexafluorophosphate according to claim 4, comprising the steps of:
a. install two installing supports symmetry on two rotating support: welding a fixed seat on a support frame between first connecting rods, and fixing the first connecting rods on rotating supports through screws, wherein one rotating support is provided with a motor, the rotating support rotates on the support seat through a connecting shaft, and a motor shaft of the motor is fixedly connected with one connecting shaft;
b. adjusting the inclination angle of the support frame: rotating a rotating shaft fixedly connected to a connecting arm on an ear plate welded on a fixed seat according to the set inclination angle of the inclined plate, so that the inclination angle of the connecting arm is the same as the set inclination angle of the inclined plate, and then screwing a first nut on the rotating shaft on the ear plate;
c. welding the two inclined plates at the two sides of the bottom plate at a set inclined angle;
d. supporting the inclined plate: placing the inclined plate on the connecting arm, enabling the inclined plate to be tightly attached to the connecting arm, sliding the threaded rod of the supporting plate into the sliding groove of the connecting arm, moving the threaded rod in the sliding groove, and screwing a second nut of the threaded rod on the connecting arm when the supporting plate supports the bottom surface of the inclined plate;
e. installing to obtain a first tank body: welding enclosing plates on two sides of the shaped inclined plate and the shaped bottom plate, welding and fixing the top plate with the feeding hole and the enclosing plates, and welding the contact part of the top plate and the inclined plate;
f. fixing a compression plate at the top end of the first connecting rod through a screw, compressing the top plate by the compression plate, and simultaneously enabling the feed inlet to penetrate through a second through hole of the compression plate;
g. the control motor rotates the rotating support on the supporting seat through the connecting shaft for 180 degrees, the feeding hole of the top plate is arranged downwards at the moment, the first tank body is supported on the pressing plate, and the feeding pipe with a hollow structure is welded on the bottom plate;
h. welding two symmetrical positioning brackets on the outer side of each inclined plate, keeping the positioning plates on the positioning brackets in a vertical state, and then welding the positioning plates on the two positioning brackets on the same inclined plate in a mutual close fit manner;
i. the installation obtains the second jar of body, and the second jar of body includes four plate bodies and seal receptacle: vertically positioning and welding two plate bodies on a positioning plate, welding a first sealing plate between the plate body connected to the positioning plate and a conveying pipe, welding another two plate bodies between the two plate bodies, welding a second sealing plate between the outer two plate bodies, the conveying pipe and the first sealing plate to seal the inner side of a second tank body and the outer side of the conveying pipe, welding sealing seats on the outer sides of the four plate bodies, wherein the sealing seats are provided with limiting grooves, are welded and fixed with first connecting rods at the same time, are welded and fixed with second connecting rods between the first connecting rods, and are welded and fixed with the sealing seats at the same time to obtain a mother liquor storage tank;
j. the control motor rotates the rotating support on the supporting seat through the connecting shaft and rotates 180 degrees, at the moment, the feed inlet of the top plate is arranged upwards, the limiting groove of the sealing seat is arranged downwards, then a screw between the first connecting rod and the rotating support is screwed out, and the mother liquor storage tank is integrally taken out;
k. on placing the collet with the mother liquor holding vessel, the spacing protruding card of collet passes through screw fixed connection with head rod and collet again in the spacing groove of seal receptacle, then will fluoridize the lithium dissolving tank and pass through the pipeline and be connected with the mother liquor holding vessel.
8. The method of installing the apparatus for recycling lithium hexafluorophosphate of claim 7, wherein: adopt the movable support to wholly take out the mother liquor holding vessel, the movable support includes H shaped steel board and the baffle of welding on H shaped steel board, will remove the support again and correspond immigration mother liquor holding vessel department, the H shaped steel board setting is in the below of mother liquor holding vessel this moment, and the mother liquor holding vessel is hugged closely to the baffle, twists out the head rod again and rotates the screw between the support, then will remove the support and outwards remove, wholly take out the mother liquor holding vessel.
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| CN202110926143.5A CN113603118B (en) | 2021-08-12 | 2021-08-12 | Recycling device for preparing lithium hexafluorophosphate and installation method thereof |
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| CN202110926143.5A CN113603118B (en) | 2021-08-12 | 2021-08-12 | Recycling device for preparing lithium hexafluorophosphate and installation method thereof |
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| CN113603118B (en) | 2023-03-07 |
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