Condensation reaction device for preparing lithium hexafluorophosphate

Abstract

The utility model relates to the technical field of lithium hexafluorophosphate, and discloses a condensation reaction device for preparing lithium hexafluorophosphate, which comprises a support column, and a bottom plate is fixedly mounted at the top of the support column; the reaction assembly is fixedly mounted at the top of the bottom plate; the reaction assembly comprises a kettle body part and a telescopic part; the condensation assembly is fixedly mounted at the top of the bottom plate; the condensation assembly comprises a cooling part and a conveying part. According to the reaction kettle, the condensation assembly is arranged, the circulating pump is started, cooled water is injected into the inner cavity through the hose, the reaction kettle is cooled, and the water at the bottom of the inner cavity is pumped into the water tank through the pumping pipe by the circulating pump at the end, close to the bottom, of the inner cavity to be cooled again, so that the cooling temperature is ensured; and the whole condensation assembly is arranged outside the reaction kettle, so that direct contact with internal high temperature is avoided when the condensation assembly works with the reaction kettle, and the effect of guaranteeing the service life of the condensation assembly is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium hexafluorophosphate, in particular to a condensation reaction device for preparing lithium hexafluorophosphate. Background Art

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

[0003] At present, in the actual application process of the condensation reaction device for preparing lithium hexafluorophosphate, after the lithium hexafluorophosphate preparation raw materials in the reactor are subjected to high-temperature drying treatment, the condensation device is started to cool the inside of the reactor to facilitate rapid crystallization and separation of the product. However, the condensation device is often fixedly installed inside the reactor, and the internal temperature of the reactor is generally high when working. Over a long period of time, the condensation device is prone to aging, which affects the service life of the condensation device and is not conducive to the long-term use of the condensation device. Utility Model Content

[0004] The purpose of the utility model is to provide a condensation reaction device for preparing lithium hexafluorophosphate, so as to achieve the purpose of solving the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a condensation reaction device for preparing lithium hexafluorophosphate, comprising a support, a bottom plate is fixedly installed on the top of the support;

[0006] A reaction assembly, wherein the reaction assembly is fixedly mounted on the top of the base plate;

[0007] Wherein, the reaction component comprises a kettle body part and a telescopic part;

[0008] A condensation assembly, wherein the condensation assembly is fixedly mounted on the top of the base plate;

[0009] Wherein, the condensation component includes a cooling part and a conveying part.

[0010] Preferably, the kettle body includes a valve, a discharge hopper is provided at the bottom of the bottom plate, and a reaction kettle is fixedly installed on the top of the discharge hopper.

[0011] Preferably, the valve is arranged inside the discharge hopper, the discharge hopper is connected with the interior of the reactor, the bottom of the reactor passes through the bottom plate and extends to the bottom of the bottom plate, a through hole is opened inside the reactor, connecting pipe 1 and connecting pipe 2 are installed on the left side of the reactor, and a water level plate is fixedly installed in the middle of the reactor.

[0012] Preferably, the telescopic portion includes an inner cavity, a blocking block is arranged inside the inner cavity, a sealing ring is fixedly installed in the middle of the blocking block, a connecting rod is fixedly installed on the right side of the blocking block, a connecting block is fixedly installed on the top of the connecting rod, and a telescopic rod is fixedly installed on the left side of the connecting block.

[0013] Preferably, the inner cavity is opened inside the reactor, the blocking block is matched with the through hole, the telescopic rod is fixedly installed inside the reactor, the telescopic end of the telescopic rod passes through the reactor and extends to the outside of the reactor, and the inner cavity is connected with the through hole.

[0014] Preferably, the cooling part includes a temperature control system, a water tank is fixedly installed on the top of the base plate, a cooling fin is fixedly installed on the bottom of the inner wall of the water tank, a support is fixedly installed on the right side of the inner wall of the water tank, a controller is fixedly installed in the middle of the base plate, the temperature control system is fixedly installed on the top of the base plate, the temperature control system is in contact with the water tank, the temperature control system is electrically connected to the cooling fin, and the temperature control system is electrically connected to the controller.

[0015] Preferably, the conveying part includes a circulation pump, an extraction pipe is fixedly installed at one end of the circulation pump, a fixing frame is provided on the top of the base plate, a connecting head is provided on the top of the base plate, and a hose is movably installed on the left end of the connecting head.

[0016] Preferably, the circulation pump is fixedly installed on the top of the support, the right end of the extraction pipe passes through the water tank and extends to the outside of the water tank, the extraction pipe and connecting pipe 1 are fixedly installed by threads, the fixing frame and the water tank are fixedly installed, the connecting head and connecting pipe 2 are fixedly installed by threads, one end of the hose is fixedly installed on the other end of the circulation pump, the other end of the hose passes through the fixing frame and extends to the top of the fixing frame, and the circulation pump is electrically connected to the controller.

[0017] The utility model provides a condensation reaction device for preparing lithium hexafluorophosphate, which has the following beneficial effects:

[0018] (1) The utility model sets a condensing component, starts a circulating pump, and injects cooled water into the inner cavity through a hose to cool the reactor, thereby facilitating the crystallization and separation of the finished product. At one end of the inner cavity near the bottom, the circulating pump draws the water at the bottom of the inner cavity into the water tank through an extraction pipe for re-cooling, and the cycle is repeated to ensure the cooling temperature. The entire condensing component is set outside the reactor to avoid direct contact with the high temperature inside the reactor when working, thereby achieving the effect of ensuring the working life of the condensing component.

[0019] (2) The utility model sets a telescopic part, starts the telescopic rod, and the connecting block moves to the right, driving the connecting rod to move to the right. The blocking block fixed to the connecting rod moves out of the through hole, and the inner cavity is connected to the outside, thereby achieving the effect of facilitating heat dissipation and cooling inside the reactor. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a view of the internal structure of the utility model;

[0022] Figure 3 This is a structural view of the condensation component of the utility model;

[0023] Figure 4 For this utility model Figure 2 A partial enlarged view of the middle part.

[0024] In the figure: 1 pillar, 2 bottom plate, 3 reaction component, 31 kettle body part, 311 valve, 312 discharge hopper, 313 reaction kettle, 32 telescopic part, 321 inner cavity, 322 blocking block, 323 sealing ring, 324 connecting rod, 325 connecting block, 326 telescopic rod, 4 condensation component, 41 cooling part, 411 temperature control system, 412 water tank, 413 cooling plate, 414 support, 415 controller, 42 conveying part, 421 circulation pump, 422 extraction pipe, 423 fixing frame, 424 connector, 425 hose. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0027] Example 1

[0028] A preferred embodiment of the condensation reaction device for preparing lithium hexafluorophosphate provided by the utility model is as follows: Figure 1-4 As shown: a condensation reaction device for preparing lithium hexafluorophosphate, comprising a support 1, a bottom plate 2 is fixedly installed on the top of the support 1;

[0029] The reaction component 3 is fixedly mounted on the top of the bottom plate 2;

[0030] The reaction component 3 includes a kettle body portion 31 and a telescopic portion 32;

[0031] The kettle body 31 includes a valve 311, a discharge hopper 312 is provided at the bottom of the bottom plate 2, a reactor 313 is fixedly installed on the top of the discharge hopper 312, the valve 311 is provided inside the discharge hopper 312, the discharge hopper 312 is communicated with the inside of the reactor 313, the bottom of the reactor 313 penetrates the bottom plate 2 and extends to the bottom of the bottom plate 2, a through hole is provided inside the reactor 313, a connecting pipe 1 and a connecting pipe 2 are connected and installed on the left side of the reactor 313, and a water level plate is fixedly installed in the middle of the reactor 313; lithium hexafluorophosphate is added into the reactor 313 to prepare raw materials for reaction, the valve 311 is opened, and the prepared raw materials are discharged through the discharge hopper 312;

[0032] The telescopic part 32 includes an inner cavity 321, a blocking block 322 is arranged inside the inner cavity 321, a sealing ring 323 is fixedly installed in the middle of the blocking block 322, a connecting rod 324 is fixedly installed on the right side of the blocking block 322, a connecting block 325 is fixedly installed on the top of the connecting rod 324, and a telescopic rod 326 is fixedly installed on the left side of the connecting block 325. The inner cavity 321 is opened inside the reactor 313, the blocking block 322 is adapted to the through hole, the telescopic rod 326 is fixedly installed inside the reactor 313, the telescopic end of the telescopic rod 326 penetrates the reactor 313 and extends to the outside of the reactor 313, and the inner cavity 321 is connected with the through hole; the telescopic rod 324 is started, the connecting block 325 moves to the right, driving the connecting rod 324 to move to the right, the blocking block 322 fixedly installed with the connecting rod 324 moves out of the through hole, and the inner cavity 321 is connected with the outside, which is convenient for heat dissipation and cooling inside the reactor 313.

[0033] Example 2

[0034] On the basis of Example 1, a preferred embodiment of a condensation reaction device for preparing lithium hexafluorophosphate provided by the utility model is as follows: Figure 1-4 As shown: a condensation assembly 4, the condensation assembly 4 is fixedly mounted on the top of the base plate 2;

[0035] The condensation component 4 includes a cooling part 41 and a conveying part 42;

[0036] The cooling part 41 includes a temperature control system 411, a water tank 412 is fixedly installed on the top of the bottom plate 2, a cooling fin 413 is fixedly installed on the bottom of the inner wall of the water tank 412, a support 414 is fixedly installed on the right side of the inner wall of the water tank 412, a controller 415 is fixedly installed in the middle of the bottom plate 2, the temperature control system 411 is fixedly installed on the top of the bottom plate 2, the temperature control system 411 and the water tank 412 are in contact, the temperature control system 411 and the cooling fin 413 are electrically connected, and the temperature control system 411 and the controller 415 are electrically connected; water is filled into the water tank 412, and then the cooling fin 413 is started by the controller 415 to cool the water inside the water tank 412, the temperature control system 411 controls the cooling temperature of the cooling fin 413, and the predetermined cooling temperature of the cooling system 411 can be set by the controller 415;

[0037] The conveying part 42 includes a circulation pump 421, one end of which is fixedly installed with an extraction pipe 422, a fixing frame 423 is provided on the top of the bottom plate 2, a connector 424 is provided on the top of the bottom plate 2, a hose 425 is movably installed on the left end of the connector 424, the circulation pump 421 is fixedly installed on the top of the support 414, the right end of the extraction pipe 422 penetrates the water tank 412 and extends to the outside of the water tank 412, the extraction pipe 422 is fixedly installed with the first connecting pipe by threads, the fixing frame 423 is fixedly installed with the water tank 412, the connector 424 is fixedly installed with the second connecting pipe by threads, one end of the hose 425 is fixedly installed with the circulation pump 421, and the second connecting pipe 422 is fixedly installed with the second connecting pipe by threads. The other end of the circulating pump 421 is fixedly installed, and the other end of the hose 425 passes through the fixing frame 423 and extends to the top of the fixing frame 423. The circulating pump 421 is electrically connected to the controller 415; the connector 424 and the connecting pipe 2 are fixedly installed by threads, and the circulating pump 421 is started. The cooled water is injected into the inner cavity 321 through the hose 425 to cool the reactor 313, which is convenient for the crystallization and separation of the finished product. At the end of the inner cavity 321 close to the bottom, the circulating pump 421 draws the water at the bottom of the inner cavity 321 into the water tank 412 through the extraction pipe 422 for re-cooling, and the cycle is repeated to ensure the cooling temperature.

[0038] When in use, lithium hexafluorophosphate is added into the reactor 313 to prepare raw materials for reaction, the telescopic rod 324 is started, the connecting block 325 moves to the right, driving the connecting rod 324 to move to the right, the blocking block 322 fixedly installed with the connecting rod 324 is moved out of the through hole, and the inner cavity 321 is connected with the outside to facilitate heat dissipation and cooling inside the reactor 313, water is filled into the water tank 412, and then the cooling fin 413 is started by the controller 415 to cool the water inside the water tank 412, and the temperature control system 411 controls the cooling temperature of the cooling fin 413, and the controller 415 can be used to control the temperature of the cooling fin 413. To set a predetermined cooling temperature of the cooling system 411, the connector 424 is fixedly installed with the connecting pipe 2 by means of threads, the circulating pump 421 is started, and cooled water is injected into the inner cavity 321 through the hose 425 to cool the reactor 313, so as to facilitate the crystallization and separation of the finished product. At one end of the inner cavity 321 close to the bottom, the circulating pump 421 draws the water at the bottom of the inner cavity 321 into the water tank 412 through the extraction pipe 422 for re-cooling, and this cycle is repeated to ensure the cooling temperature, and the valve 311 is opened, and the prepared raw materials are discharged through the discharge hopper 312.

[0039] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A condensation reaction device for preparing lithium hexafluorophosphate, characterized in that: It comprises a support (1), a bottom plate (2) being fixedly mounted on the top of the support (1); A reaction component (3), wherein the reaction component (3) is fixedly mounted on the top of the base plate (2); Wherein, the reaction component (3) comprises a kettle body portion (31) and a telescopic portion (32); A condensation assembly (4), wherein the condensation assembly (4) is fixedly mounted on the top of the base plate (2); Wherein, the condensation component (4) comprises a cooling part (41) and a conveying part (42).

2. A condensation reaction device for preparing lithium hexafluorophosphate according to claim 1, characterized in that: The kettle body part (31) includes a valve (311), a discharge hopper (312) is arranged at the bottom of the bottom plate (2), and a reaction kettle (313) is fixedly installed on the top of the discharge hopper (312).

3. A condensation reaction device for preparing lithium hexafluorophosphate according to claim 2, characterized in that: The valve (311) is arranged inside the discharge hopper (312), and the discharge hopper (312) is connected to the inside of the reaction kettle (313). The bottom of the reaction kettle (313) passes through the bottom plate (2) and extends to the bottom of the bottom plate (2). A through hole is opened inside the reaction kettle (313). The left side of the reaction kettle (313) is connected and installed with connecting pipe 1 and connecting pipe 2. A water level plate is fixedly installed in the middle of the reaction kettle (313).

4. The condensation reaction device for preparing lithium hexafluorophosphate according to claim 1, characterized in that: The telescopic portion (32) includes an inner cavity (321), a blocking block (322) is arranged inside the inner cavity (321), a sealing ring (323) is fixedly installed in the middle of the blocking block (322), a connecting rod (324) is fixedly installed on the right side of the blocking block (322), a connecting block (325) is fixedly installed on the top of the connecting rod (324), and a telescopic rod (326) is fixedly installed on the left side of the connecting block (325).

5. A condensation reaction device for preparing lithium hexafluorophosphate according to claim 4, characterized in that: The inner cavity (321) is opened inside the reaction kettle (313), the blocking block (322) is adapted to the through hole, the telescopic rod (326) is fixedly installed inside the reaction kettle (313), the telescopic end of the telescopic rod (326) passes through the reaction kettle (313) and extends to the outside of the reaction kettle (313), and the inner cavity (321) is connected to the through hole.

6. The condensation reaction device for preparing lithium hexafluorophosphate according to claim 1, characterized in that: The cooling part (41) comprises a temperature control system (411), a water tank (412) is fixedly mounted on the top of the bottom plate (2), a cooling fin (413) is fixedly mounted on the bottom of the inner wall of the water tank (412), a support (414) is fixedly mounted on the right side of the inner wall of the water tank (412), a controller (415) is fixedly mounted in the middle of the bottom plate (2), the temperature control system (411) is fixedly mounted on the top of the bottom plate (2), the temperature control system (411) is in contact with the water tank (412), the temperature control system (411) is electrically connected to the cooling fin (413), and the temperature control system (411) is electrically connected to the controller (415).

7. The condensation reaction device for preparing lithium hexafluorophosphate according to claim 1, characterized in that: The conveying part (42) includes a circulation pump (421), one end of which is fixedly mounted with an extraction pipe (422), the top of the base plate (2) is provided with a fixing frame (423), the top of the base plate (2) is provided with a connecting head (424), and the left end of the connecting head (424) is movably mounted with a hose (425).

8. The condensation reaction device for preparing lithium hexafluorophosphate according to claim 7, characterized in that: The circulation pump (421) is fixedly installed on the top of the support (414); the right end of the extraction pipe (422) penetrates the water tank (412) and extends to the outside of the water tank (412); the extraction pipe (422) and the connecting pipe 1 are fixedly installed by threads; the fixing frame (423) and the water tank (412) are fixedly installed; the connecting head (424) and the connecting pipe 2 are fixedly installed by threads; one end of the hose (425) and the other end of the circulation pump (421) are fixedly installed; the other end of the hose (425) penetrates the fixing frame (423) and extends to the top of the fixing frame (423); and the circulation pump (421) and the controller (415) are electrically connected.

Images