High-temperature drying reaction device for preparing lithium hexafluorophosphate

Abstract

The utility model relates to the technical field of lithium hexafluorophosphate preparation, and discloses a high-temperature drying reaction device for lithium hexafluorophosphate preparation, which comprises a bracket, and a reaction kettle is fixedly mounted at the top of the bracket; the heating assembly is fixedly mounted in the reaction kettle; wherein the heating assembly comprises a driving part and a heating part; the refrigeration assembly is fixedly mounted in the reaction kettle; wherein the refrigeration assembly comprises a refrigeration part and a control part; the driving part comprises a top cover, and a feeding hopper is fixedly installed at the top of the top cover. According to the refrigerator, the refrigerating part is arranged, the top frame and the positioning columns are fixedly installed through screws, the base is fixedly installed at the bottom end of the refrigerating pipe, the bottom frame is movably installed at the bottom of the base in a clamped mode, and the top frame and the top base are movably installed in a clamped mode; the effects that the bottom frame, the refrigerating pipes and the top frame are easy to install, convenient and fast to disassemble and convenient to maintain are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium hexafluorophosphate preparation, in particular to a high-temperature drying reaction device for lithium hexafluorophosphate preparation. Background Technique

[0002] Lithium hexafluorophosphate is an inorganic compound with the chemical formula LiPF6. It is a white crystalline powder, soluble in water, soluble in low-concentration methanol, ethanol, acetone, carbonate solvents, etc., and is mainly used as an electrolyte material for lithium-ion batteries.

[0003] At present, in the actual application process of the high-temperature drying reaction device for lithium hexafluorophosphate preparation, the raw materials for lithium hexafluorophosphate preparation are placed in the reaction kettle, and the reaction proceeds normally by heating the raw materials for preparation. After the reaction is completed, the internal temperature of the reaction kettle is lowered to accelerate the crystallization and separation of the internal products. However, the cooling structure is usually fixedly installed inside the reaction kettle. Due to the high temperature inside the reaction kettle for a long time, the components inside the reaction kettle are prone to aging, and the components need to be regularly inspected and repaired. When disassembling the internal components, the operation is relatively troublesome, the maintenance efficiency is low, and it takes time. Content of the Utility Model

[0004] The purpose of the utility model is to provide a high-temperature drying reaction device for lithium hexafluorophosphate preparation, so as to achieve the purpose of solving the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: A high-temperature drying reaction device for lithium hexafluorophosphate preparation, including a bracket, and a reaction kettle is fixedly installed on the top of the bracket;

[0006] A heating component, which is fixedly installed inside the reaction kettle;

[0007] Among them, the heating component includes a driving part and a heating part;

[0008] A refrigeration component, which is fixedly installed inside the reaction kettle;

[0009] Among them, the refrigeration component includes a refrigeration part and a control part.

[0010] Preferably, the driving part includes a top cover, a feed hopper is fixedly installed on the top of the top cover, a plunger is arranged inside the feed hopper, a motor is fixedly installed on the top of the top cover, the output end of the motor is fixedly installed with a stirring rod, the top cover is fixedly installed on the top of the reaction kettle through bolts, the feed hopper is communicated with the inside of the reaction kettle, and the output end of the motor sequentially penetrates the top cover and the reaction kettle, and the output end of the motor extends to the inside of the reaction kettle.

[0011] Preferably, the heating part includes a heating device. A first temperature control system is provided at the top of the bracket. A first controller is provided at the top of the bracket. A pressure valve is provided at the top of the bracket. A vacuum pump is provided at the top of the reaction kettle. An installation box is fixedly installed in the middle of the reaction kettle.

[0012] Preferably, the heating device is fixedly installed inside the reaction kettle. The heating device is electrically connected to the first temperature control system. The first temperature control system is fixedly installed inside the installation box. The first temperature control system is electrically connected to the first controller. The pressure valve is fixedly installed at the output end of the vacuum pump. The vacuum pump is fixedly installed at the top of the top cover. The first controller is fixedly installed in the middle of the installation box. The first controller is electrically connected to the motor.

[0013] Preferably, the refrigeration part includes a top frame. A refrigeration pipe is provided at the bottom of the top frame. A top seat is fixedly installed at the top end of the refrigeration pipe. A positioning column is provided at the bottom of the top seat. A base is fixedly installed at the bottom end of the refrigeration pipe. The bottom of the base is movably installed with a bottom frame through clamping.

[0014] Preferably, the top frame and the positioning column are fixedly installed through screws. The top frame and the top seat are movably installed through clamping. The refrigeration pipes are arranged equidistantly around the circumference inside the reaction kettle. The positioning columns are fixedly arranged equidistantly around the circumference inside the reaction kettle. The top end of the positioning column sequentially penetrates through the bottom frame and the top frame, and the top end of the positioning column extends into the inside of the top frame. The bottom frame is movably installed inside the reaction kettle.

[0015] Preferably, the control part includes a second control system. A second controller is provided at the top of the bracket. A discharge hopper is fixedly installed at the bottom of the reaction kettle. A valve is provided inside the discharge hopper.

[0016] Preferably, the second control system is fixedly installed inside the installation box. The second control system is electrically connected to the refrigeration pipe. The second controller is fixedly installed in the middle of the installation box. The second controller is electrically connected to the second control system. The discharge hopper is communicated with the inside of the reaction kettle.

[0017] The utility model provides a high-temperature drying reaction device for preparing lithium hexafluorophosphate. It has the following

[0018] Beneficial effects:

[0019] (1). By setting a vacuum pump and a refrigeration pipe, starting the vacuum pump to pump out the air and moisture in the reaction kettle to form a reaction environment with low oxygen and low humidity, ensuring the dryness of the reaction environment. When the lithium hexafluorophosphate in the reaction kettle is prepared, the refrigeration pipe reduces the temperature in the reaction kettle to accelerate the crystallization and separation of the internal products, achieving the effect of preventing the moisture in the reaction kettle from affecting the product quality.

[0020] (2) The present utility model is provided with a refrigeration part. The top frame and the positioning column are fixedly installed by screws. The bottom end of the refrigeration pipe is fixedly installed with a base, and the bottom of the base is movably installed with a bottom frame by clamping. The top frame and the top seat are movably installed by clamping, achieving the effects of simple installation method, convenient disassembly and easy maintenance among the bottom frame, the refrigeration pipe and the top frame. Description of the Drawings

[0021] Figure 1 It is a schematic structural view of the present utility model;

[0022] Figure 2 It is an internal structural view of the present utility model;

[0023] Figure 3 It is a structural view of the refrigeration part of the present utility model;

[0024] Figure 4 It is for the present utility model Figure 3 A partial enlarged view of A in the present utility model.

[0025] In the figure: 1 support, 2 reactor, 3 heating assembly, 31 driving part, 311 top cover, 312 feed hopper, 313 plunger, 314 motor, 315 stirring rod, 32 heating part, 321 heating device, 322 temperature control system I, 323 controller I, 324 air pressure valve, 325 vacuum pump, 326 installation box, 4 refrigeration assembly, 41 refrigeration part, 411 top frame, 412 refrigeration pipe, 413 top seat, 414 positioning column, 415 base, 416 bottom frame, 42 control part, 421 control system II, 422 controller II, 423 discharge hopper, 424 valve. Detailed Embodiments

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0027] Examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present utility model, and should not be construed as a limitation of the present utility model.

[0028] Embodiment 1

[0029] A preferred embodiment of a high-temperature drying reaction device for preparing lithium hexafluorophosphate provided by the present utility model is as follows Figures 1-4 As shown: A high-temperature drying reaction device for preparing lithium hexafluorophosphate includes a support 1, and a reaction kettle 2 is fixedly installed on the top of the support 1;

[0030] A heating component 3 is fixedly installed inside the reaction kettle 2;

[0031] Among them, the heating component 3 includes a driving part 31 and a heating part 32;

[0032] The driving part 31 includes a top cover 311, a feed hopper 312 is fixedly installed on the top of the top cover 311, a plunger 313 is arranged inside the feed hopper 312, a motor 314 is fixedly installed on the top of the top cover 311, a stirring rod 315 is fixedly installed at the output end of the motor 314, the top cover 311 is fixedly installed on the top of the reaction kettle 2 through bolts, the feed hopper 312 is communicated with the inside of the reaction kettle 2, the output end of the motor 314 sequentially penetrates through the top cover 314 and the reaction kettle 2, and the output end of the motor 314 extends into the reaction kettle 2; Open the plunger 313, place the raw materials into the reaction kettle 2 through the feed hopper 312, start the motor 314, and the stirring rod 315 rotates to stir the raw materials inside the reaction kettle 2, so that the raw materials are heated evenly;

[0033] The heating part 32 includes a heating device 321, a temperature control system 322 is arranged on the top of the support 1, a controller 323 is arranged on the top of the support 1, a pressure valve 324 is arranged on the top of the support 1, a vacuum pump 325 is arranged on the top of the reaction kettle 2, an installation box 326 is fixedly installed in the middle of the reaction kettle 2, the heating device 321 is fixedly installed inside the reaction kettle 2, the heating device 321 is electrically connected to the temperature control system 322, the temperature control system 322 is fixedly installed inside the installation box 326, the temperature control system 322 is electrically connected to the controller 323, the pressure valve 324 is fixedly installed at the output end of the vacuum pump 325, the vacuum pump 325 is fixedly installed on the top of the top cover 311, the controller 323 is fixedly installed in the middle of the installation box 326, and the controller 323 is electrically connected to the motor 314; Start the vacuum pump 325 to pump out the air and moisture in the reaction kettle 2 to form a low-oxygen and low-humidity reaction environment, start the heating device 321 to heat the inside of the reaction kettle 2, the temperature control system 322 controls the temperature inside the reaction kettle 2 to make the inside of the reaction kettle 2 at the optimal reaction temperature, set the optimal temperature value through the controller 323, and manually adjust the internal pressure of the reaction kettle 2 through the pressure valve 324.

[0034] Embodiment 2

[0035] On the basis of Embodiment 1, a preferred embodiment of a high-temperature drying reaction device for preparing lithium hexafluorophosphate provided by the present utility model is as followsFigures 1-4 As shown: a refrigeration assembly 4, which is fixedly installed inside the reaction kettle 2;

[0036] Among them, the refrigeration assembly 4 includes a refrigeration part 41 and a control part 42;

[0037] The refrigeration part 41 includes a top frame 411. A refrigeration pipe 412 is arranged at the bottom of the top frame 411. A top seat 413 is fixedly installed at the top end of the refrigeration pipe 412. A positioning column 414 is arranged at the bottom of the top seat 413. A base 415 is fixedly installed at the bottom end of the refrigeration pipe 412. A bottom frame 416 is movably installed at the bottom of the base 415 by clamping. The top frame 411 and the positioning column 414 are fixedly installed by screws. The top frame 411 and the top seat 413 are movably installed by clamping. The refrigeration pipes 412 are arranged equidistantly around the circumference inside the reaction kettle 2. The positioning columns 414 are fixed equidistantly around the circumference inside the reaction kettle 2. The top end of the positioning column 414 sequentially penetrates through the bottom frame 416 and the top frame 411, and the top end of the positioning column 414 extends into the inside of the top frame 411. The bottom frame 416 is movably installed inside the reaction kettle 2; The top frame 411 and the positioning column 414 are fixedly installed by screws. A base 415 is fixedly installed at the bottom end of the refrigeration pipe 412. A bottom frame 416 is movably installed at the bottom of the base 415 by clamping. The top frame 411 and the top seat 413 are movably installed by clamping. The installation method among the bottom frame 416, the refrigeration pipe 412 and the top frame 411 is simple and the disassembly is convenient. After lithium hexafluorophosphate is prepared in the reaction kettle 2, the refrigeration pipe 412 reduces the temperature inside the reaction kettle 2, accelerating the crystallization and separation of the internal products;

[0038] The control part 42 includes a control system two 421. A controller two 422 is arranged at the top of the bracket 1. A discharge hopper 423 is fixedly installed at the bottom of the reaction kettle 2. A valve 424 is arranged inside the discharge hopper 423. The control system two 421 is fixedly installed inside the installation box 326. The control system two 421 is electrically connected to the refrigeration pipe 412. The controller two 422 is fixedly installed in the middle of the installation box 326. The controller two 422 is electrically connected to the control system two 421. The discharge hopper 423 is communicated with the inside of the reaction kettle 2; The control system two 421 controls the cooling temperature of the refrigeration pipe 412. The preset cooling temperature of the control system two 421 is set through the controller two 422. The valve 424 is opened, and the material is discharged through the discharge hopper 423.

[0039] In use, open the plunger 313, place the raw materials in the reaction kettle 2 through the feed hopper 312, start the motor 314, rotate the stirring rod 315, stir the raw materials inside the reaction kettle 2, so that the raw materials are heated evenly, start the vacuum pump 325, extract the air and moisture in the reaction kettle 2, and form a reaction environment with low oxygen and low humidity. Start the heating device 321, heat the inside of the reaction kettle 2, and the temperature control system 322 controls the temperature inside the reaction kettle 2 to make the inside of the reaction kettle 2 at the optimal reaction temperature. Set the optimal temperature value through the controller 323, manually adjust the internal air pressure of the reaction kettle 2 through the air pressure valve 324. The top frame 411 and the positioning column 414 are fixedly installed by screws. The bottom end of the refrigeration pipe 412 is fixedly installed with a base 415, and the bottom of the base 415 is movably installed with a bottom frame 416 through clamping. The top frame 411 and the top seat 413 are movably installed through clamping. The installation method among the bottom frame 416, the refrigeration pipe 412 and the top frame 411 is simple and the disassembly is convenient. When the lithium hexafluorophosphate in the reaction kettle 2 is prepared, the refrigeration pipe 412 reduces the temperature inside the reaction kettle 2 to accelerate the crystallization and separation of the internal products. The control system 421 controls the cooling temperature of the refrigeration pipe 412, and sets the preset cooling temperature of the control system 421 through the controller 422. Open the valve 424 and discharge the materials through the discharge hopper 423.

[0040] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high temperature drying reaction device for preparing lithium hexafluorophosphate, characterized in that: It comprises a support (1), a reaction kettle (2) being fixedly mounted on the top of the support (1); A heating component (3), wherein the heating component (3) is fixedly installed inside the reaction kettle (2); Wherein, the heating component (3) comprises a driving part (31) and a heating part (32); A refrigeration component (4), wherein the refrigeration component (4) is fixedly installed inside the reaction kettle (2); Wherein, the refrigeration component (4) comprises a refrigeration part (41) and a control part (42).

2. A high temperature drying reaction device for preparing lithium hexafluorophosphate according to claim 1, characterized in that: The driving part (31) comprises a top cover (311), a feed hopper (312) is fixedly mounted on the top of the top cover (311), a plunger (313) is arranged inside the feed hopper (312), a motor (314) is fixedly mounted on the top of the top cover (311), a stirring rod (315) is fixedly mounted on the output end of the motor (314), the top cover (311) is fixedly mounted on the top of the reactor (2) by means of bolts, the feed hopper (312) is communicated with the interior of the reactor (2), the output end of the motor (314) passes through the top cover (311) and the reactor (2) in sequence, and the output end of the motor (314) extends to the interior of the reactor (2).

3. The high temperature drying reaction device for preparing lithium hexafluorophosphate according to claim 1, characterized in that: The heating part (32) comprises a heating device (321), a temperature control system (322) is arranged on the top of the support (1), a controller (323) is arranged on the top of the support (1), an air pressure valve (324) is arranged on the top of the support (1), a vacuum pump (325) is arranged on the top of the reaction kettle (2), and an installation box (326) is fixedly installed in the middle of the reaction kettle (2).

4. A high temperature drying reaction device for preparing lithium hexafluorophosphate according to claim 3, characterized in that: The heating device (321) is fixedly installed inside the reaction kettle (2); the heating device (321) is electrically connected to the temperature control system (322); the temperature control system (322) is fixedly installed inside the installation box (326); the temperature control system (322) is electrically connected to the controller (323); the air pressure valve (324) is fixedly installed to the output end of the vacuum pump (325); the vacuum pump (325) is fixedly installed on the top of the top cover (311); the controller (323) is fixedly installed in the middle of the installation box (326); and the controller (323) is electrically connected to the motor (314).

5. The high temperature drying reaction device for preparing lithium hexafluorophosphate according to claim 1, characterized in that: The refrigeration part (41) includes a top frame (411), a refrigeration pipe (412) is arranged at the bottom of the top frame (411), a top seat (413) is fixedly installed at the top of the refrigeration pipe (412), a positioning column (414) is arranged at the bottom of the top seat (413), a base (415) is fixedly installed at the bottom end of the refrigeration pipe (412), and a bottom frame (416) is movably installed at the bottom of the base (415) through a snap connection.

6. A high temperature drying reaction device for preparing lithium hexafluorophosphate according to claim 5, characterized in that: The top frame (411) and the positioning column (414) are fixedly installed by screws, and the top frame (411) and the top seat (413) are movably installed by snap-fitting. The refrigeration pipe (412) is equidistantly arranged inside the reactor (2) around the circumference, and the positioning column (414) is equidistantly fixed inside the reactor (2) around the circumference. The top end of the positioning column (414) passes through the bottom frame (416) and the top frame (411) in sequence, and the top end of the positioning column (414) extends to the inside of the top frame (411), and the bottom frame (416) is movably installed inside the reactor (2).

7. The high temperature drying reaction device for preparing lithium hexafluorophosphate according to claim 1, characterized in that: The control part (42) includes a control system 2 (421), a controller 2 (422) is arranged on the top of the support (1), a discharge hopper (423) is fixedly installed on the bottom of the reaction kettle (2), and a valve (424) is arranged inside the discharge hopper (423).

8. A high temperature drying reaction device for preparing lithium hexafluorophosphate according to claim 7, characterized in that: The control system 2 (421) is fixedly installed inside the installation box (326), and the control system 2 (421) is electrically connected to the refrigeration pipe (412). The controller 2 (422) is fixedly installed in the middle of the installation box (326), and the controller 2 (422) is electrically connected to the control system 2 (421). The discharge hopper (423) is connected to the inside of the reaction kettle (2).

Images