CN210084967U - Solid-liquid separation and purification integrated equipment for lithium hexafluorophosphate preparation - Google Patents
Solid-liquid separation and purification integrated equipment for lithium hexafluorophosphate preparation Download PDFInfo
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- CN210084967U CN210084967U CN201920319848.9U CN201920319848U CN210084967U CN 210084967 U CN210084967 U CN 210084967U CN 201920319848 U CN201920319848 U CN 201920319848U CN 210084967 U CN210084967 U CN 210084967U
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Abstract
The utility model discloses an integrative equipment of lithium hexafluorophosphate preparation solid-liquid separation purification, including the heat conduction oil tank, the heat conduction oil pump, the heater, a container, and a support, press from both sides the cover, the discharge gate, the leakage fluid dram, the gear, the chain, including a motor, an end cap, a controller, and a cover plate, the conduction oil export, the conduction oil circulating pipe, the conduction oil recovery tube, the filter screen, this equipment separates lithium hexafluorophosphate crystal and lithium hexafluorophosphate hydrogen fluoride solution and further purifies, the equipment quantity who realizes this process has been reduced, the integration level is higher, the quality risk that uses a plurality of equipment to realize solid-liquid separation among the prior art, middle link exists during the purification process has been solved, the production cycle is long, the problem.
Description
Technical Field
The utility model relates to a lithium hexafluorophosphate solid-liquid separation technical field, concretely relates to lithium hexafluorophosphate preparation solid-liquid separation purification all-in-one equipment.
Background
Lithium hexafluorophosphate is the common electrolyte among the lithium ion battery, the lithium hexafluorophosphate solution is obtained through the reaction of phosphorus pentafluoride and lithium fluoride dissolved in anhydrous hydrofluoric acid solution generally to industrial preparation, again with lithium hexafluorophosphate from lithium hexafluorophosphate solution through crystallization developments to separate out, dynamic crystallization obtains the lithium hexafluorophosphate crystal and the lithium hydrogen fluoride solution of saturated hexafluorophosphate of granularity equipartition, need realize solid-liquid separation through a plurality of equipment among the prior art, purification process, equipment is too many to make the intermediate link have more quality risks, and the production cycle is long, waste the manpower.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the prior art, the utility model provides a lithium hexafluorophosphate preparation solid-liquid separation purification all-in-one equipment, this equipment with lithium hexafluorophosphate crystal and lithium hexafluorophosphate hydrogen fluoride solution separation and further purification, reduced the equipment quantity who realizes this process, the integrated level is higher, the quality risk that intermediate link exists when having solved among the prior art and having used a plurality of equipment to realize solid-liquid separation, purification process, the problem of production cycle length, extravagant manpower.
For realizing the purpose of the utility model, the utility model adopts the following technical scheme:
a solid-liquid separation and purification integrated device for preparing lithium hexafluorophosphate comprises a heat conduction oil tank, a heat conduction oil pump, a heater, a container, a support, a jacket, a discharge port, a liquid discharge port, a gear, a chain, a motor, a heat conduction oil inlet, a heat conduction oil outlet, a heat conduction oil circulating pipe, a heat conduction oil recovery pipe, a filter screen, a flow control valve, a pressure gauge, a control valve, a gas outlet and a gas inlet, wherein the bottom of the heat conduction oil tank is connected to one end of the heat conduction oil pump through a pipeline, the other end of the heat conduction oil pump is respectively communicated with the heater and the heat conduction oil circulating pipe, the heat conduction oil circulating pipe is communicated with the top of the heat conduction oil tank and can pump heat conduction oil back to the heat conduction oil tank through the heat conduction oil pump, the rear end of the heater is connected with the heat, the heat conducting oil can enter the jacket from a heat conducting oil inlet after being heated by the heater, then flows out from a heat conducting oil outlet on the jacket, and enters the heat conducting oil tank through a heat conducting oil recovery pipe, the support is of a U-shaped structure, two ends of the container can be rotatably connected with the support, the support can support the container, the joint of one end of the container and the support is a concentric circle with two different radiuses in cross-sectional area to form two cavities, namely a circle and a ring, the inner circular cavity is communicated with the container for vacuumizing the container, the outer circular cavity is communicated with the jacket for entering and exiting the heat conducting oil, the inner circular cavity is connected with two pipelines, one pipeline is connected with an air inlet, the other pipeline is connected with an air outlet, the rear end of the air inlet is provided with a flow control valve for controlling the vacuumizing speed, the rear end of the air outlet is provided with a, the rear end of the control valve is provided with a pressure gauge for measuring the pressure intensity when the inside of the container is vacuumized, the other end of the container is fixedly provided with a gear, the gear is driven by a motor to rotate through a chain so as to drive the container to rotate 360 degrees on a support, the container is divided into an upper inner chamber and a lower inner chamber through a filter screen, the outer layer of the upper inner chamber is provided with a jacket, the jacket can be heated through heat conduction oil in the jacket, the top is a discharge hole, and the liquid discharge hole is positioned at the bottom of the lower.
Furthermore, the equipment also comprises an electromagnetic valve and a temperature controller, wherein the electromagnetic valve is arranged on a heat conduction oil recovery pipe at the rear end of the heat conduction oil outlet, the temperature controller is arranged between the heater and the heat conduction oil inlet, the temperature controller is connected with a control interface of the heater and a control interface of the electromagnetic valve, and the temperature of the heat conduction oil entering the jacket is accurately controlled.
Furthermore, the highest position of the relative horizontal plane of the heat conduction oil circulating pipe is higher than the highest position of the relative horizontal plane of the heat conduction oil recycling pipe and the container.
Furthermore, the filter screen is a stainless steel filter screen with the precision of 1 micron.
Furthermore, the device also comprises a switch power supply, an intermediate relay and a thermistor, wherein the 2 and 3 power input ends of the temperature controller are connected with an alternating current 220V voltage for power supply, the 5 and 6 ends of the temperature controller are connected with the two ends of a coil of the intermediate relay to control the coil of the intermediate relay to be switched on and off, one ends of two normally open contacts of the intermediate relay are connected with the alternating current 220V power supply, the other end of the intermediate relay is connected with a heater, the 8 and 9 ends of the temperature controller are relay output ends, the switch power supply is connected with the alternating current 220V to output direct current 24V, the 8 end of the temperature controller is connected with the 24V direct current through the switch power supply, the 9 end of the temperature controller is connected with the 24V control end of the electromagnetic valve, the GND of the switch power supply is connected with the ground end of the electromagnetic valve, the electromagnetic valve is controlled to work through the 8 and 9, and calculating the temperature of the heat conducting oil according to the resistance value.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. solid-liquid separation and purification process through integrative equipment autogiration, filtration and heating realization lithium hexafluorophosphate for the production cycle length shortens, uses manpower sparingly, has reduced the quality risk in the production process.
2. The solid-liquid separation efficiency and the purification precision are improved by the accurate control of the heating temperature and the high-precision filter screen.
Drawings
Fig. 1 is a schematic structural diagram of the solid-liquid separation and purification integrated equipment for lithium hexafluorophosphate preparation of the present invention;
FIG. 2 is a control circuit diagram of the solid-liquid separation and purification integrated equipment for lithium hexafluorophosphate preparation of the present invention;
in the figure: the device comprises a heat-conducting oil tank-1, a heat-conducting oil pump-2, a heater-3, a temperature controller-4, an electromagnetic valve-5, a container-6, a support-7, a jacket-8, a discharge port-9, a liquid discharge port-10, a gear-11, a chain-12, a motor-13, a heat-conducting oil inlet-14, a heat-conducting oil outlet-15, a heat-conducting oil circulating pipe-16, a heat-conducting oil recycling pipe-17, a filter screen-18, a flow control valve-19, a pressure gauge-20, a control valve-21, an air outlet-22, an air inlet-23, a switching power supply-24, an intermediate relay-25.
Detailed Description
The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described;
as shown in fig. 1, in an embodiment of the present invention, an integrated apparatus for solid-liquid separation and purification for lithium hexafluorophosphate preparation comprises a heat conducting oil tank 1, a heat conducting oil pump 2, a heater 3, a container 6, a support 7, a jacket 8, a discharge port 9, a liquid discharge port 10, a gear 11, a chain 12, a motor 13, a heat conducting oil inlet 14, a heat conducting oil outlet 15, a heat conducting oil circulating pipe 16, a heat conducting oil recovery pipe 17, and a filter screen 18, wherein the bottom of the heat conducting oil tank 1 is connected to one end of the heat conducting oil pump 2 through a pipeline, the other end of the heat conducting oil pump 2 is respectively connected to the heater 3 and the heat conducting oil circulating pipe 16, the heat conducting oil circulating pipe 16 is communicated with the top of the heat conducting oil tank 1, the heat conducting oil can be sent back to the heat conducting oil tank 1 through the heat conducting oil, the heat conducting oil outlet 15 is connected with one end of a heat conducting oil recovery pipe 17, the other end of the heat conducting oil recovery pipe 17 is connected with the top of the heat conducting oil tank 1, heat conducting oil can enter the jacket 8 from a heat conducting oil inlet 14 after being heated by the heater 3 and then flows out of the heat conducting oil outlet 15 on the jacket 8 and enters the heat conducting oil tank 1 through the heat conducting oil recovery pipe 17, the support 7 is of a U-shaped structure, two ends of the container 6 are rotatably connected with the support 7, the support 7 supports the container 6, one end of the container 6 is rotatably clamped with the support 7 through a sealing bearing, the joint of one end of the container 6 and the support 7 is two concentric circles with different radiuses in cross section area to form two cavities, namely a circle and a ring, wherein the inner circular cavity is communicated with the container 6 for vacuumizing the container 6, and the outer circular cavity is communicated with the jacket 8 for entering and exiting heat conducting oil, the internal circular cavity is connected with two pipelines, one pipeline is connected with an air inlet 23, the other pipeline is connected with an air outlet 22, a flow control valve 19 is installed at the rear end of the air inlet 23 and used for controlling the vacuumizing speed, a control valve 21 is installed at the rear end of the air outlet 22 and used for keeping the internal pressure of the container 6 at a certain value after being closed, a pressure gauge 20 is installed at the rear end of the control valve 21 and used for measuring the internal pressure of the container 6 during vacuumizing, a gear 11 is fixed at the other end of the container 6, the gear 11 is driven to rotate by a motor 13 through a chain 12 and then drives the container 6 to rotate on a support 7 for 360 degrees, the container 6 is divided into an upper inner chamber and a lower inner chamber through a filter screen 18, a jacket 8 is arranged on the outer layer of the upper inner chamber, heat conduction oil in the jacket 8 can. The equipment also comprises an electromagnetic valve 5 and a temperature controller 4, wherein the electromagnetic valve 5 is arranged on a heat conduction oil recovery pipe 17 at the rear end of a heat conduction oil outlet 15, the temperature controller 4 is arranged between the heater 3 and a heat conduction oil inlet 14, the temperature controller 4 is connected with a control interface of the heater 3 and a control interface of the electromagnetic valve 5, and the accurate control of the temperature of the heat conduction oil entering the jacket 8 is realized; the highest position of the heat conduction oil circulating pipe 16 relative to the horizontal plane is higher than the highest position of the heat conduction oil recycling pipe 17 and the container 6 relative to the horizontal plane, heat conduction oil can smoothly enter the heater 3 for heating and then enter the jacket 8, the circulating process of the heat conduction oil circulating pipe 16 can generate the effects that the flow rate of the heat conduction oil entering the jacket 8 is not too high, the pressure is not too high, and the filter screen 18 is a stainless steel filter screen with the precision of 1 micron, so that the purification precision is improved.
When the equipment works, lithium hexafluorophosphate crystals and lithium hexafluorophosphate and hydrogen fluoride mixed solution are added through the discharge port 9, the control valve 19 is opened, vacuumizing is performed from the air outlet 22, when the reading of the pressure gauge 20 meets the requirement, the control valve 21 is closed, the heat conduction oil is heated by the heater 3 and is sent into the jacket 8 through the heat conduction oil pump 2 to heat materials inside the container 6, and the container 6 automatically rotates to complete the processes of solid-liquid separation and purification.
The temperature controller 4 is provided with a thermistor 26 for detecting heat conduction oil in real time, the electromagnetic valve 5 and the heater 3 are controlled according to the temperature, during heating, the electromagnetic valve 5 is controlled by the temperature controller 4 to be opened, the heater 3 is accurately controlled to work according to the set heating temperature, after heating is completed, the heater 3 is controlled to stop working, and the electromagnetic valve 5 is controlled to be closed after the temperature controller 4 detects the temperature of the heat conduction oil and cools.
As shown in figure 2, in the specific control circuit, the external alternating current 220V voltage is connected with the input ends of the power supplies 2 and 3 of the temperature controller 4 for power supply, the ends 5 and 6 of the temperature controller 4 are connected with the two ends of the coil of the intermediate relay 25 for controlling the coil of the intermediate relay 25 to be switched on and off, one end of the two normally open contacts of the intermediate relay 25 is connected with the alternating current 220V power supply, the other end is connected with the heater 3, the coil of the intermediate relay 25 can control the heater 3 to work after being switched on, the ends 8 and 9 of the temperature controller 4 are relay output ends, the switching power supply 24 is connected with the alternating current 220V for outputting direct current 24V, wherein the end 8 of the temperature controller 4 is connected with 24V direct current through the switching power supply 24, the end 9 of the temperature controller 4 is connected with the 24V control end of the electromagnetic valve 5, the GND of the switching power supply 24 is connected with, and calculating the temperature of the heat conducting oil according to the resistance value.
Claims (5)
1. The utility model provides an integrative equipment of lithium hexafluorophosphate preparation solid-liquid separation purification, is including heat conduction oil tank, heat conduction oil pump, heater, container, support, clamp cover, discharge gate, leakage fluid dram, gear, chain, motor, conduction oil import, conduction oil export, conduction oil circulating pipe, conduction oil recovery pipe, filter screen, flow control valve, manometer, control valve, gas outlet, air inlet, its characterized in that: the bottom of the heat conduction oil tank is connected to one end of a heat conduction oil pump through a pipeline, the other end of the heat conduction oil pump is respectively communicated with a heater and a heat conduction oil circulation pipe, the heat conduction oil circulation pipe is communicated with the top of the heat conduction oil tank, the rear end of the heater is connected with a heat conduction oil inlet, the heat conduction oil inlet and a heat conduction oil outlet are communicated with a jacket, the heat conduction oil outlet is connected with one end of a heat conduction oil recovery pipe, the other end of the heat conduction oil recovery pipe is connected with the top of the heat conduction oil tank, the support is of a U-shaped structure, two ends of the container are rotatably connected with the support, the support erects the container, the joint of one end of the container and the support is two concentric circles with different radiuses in cross section, an inner circular cavity is communicated with the container, the other path is connected with the gas outlet, the flow control valve is installed at the rear end of the gas inlet, the control valve is installed at the rear end of the gas outlet, the pressure gauge is installed at the rear end of the control valve, a gear is fixed at the other end of the container, the gear is driven to rotate by a motor through a chain so as to drive the container to rotate 360 degrees on the support, the container is divided into an upper inner chamber and a lower inner chamber through a filter screen, a jacket is arranged on the outer layer of the upper inner chamber, heat conduction oil in the jacket can be heated, the top is a discharge hole, and the liquid.
2. The lithium hexafluorophosphate preparation solid-liquid separation and purification integrated equipment as claimed in claim 1, wherein: the equipment also comprises an electromagnetic valve and a temperature controller, wherein the electromagnetic valve is arranged on a heat conduction oil recovery pipe at the rear end of the heat conduction oil outlet, the temperature controller is arranged between the heater and the heat conduction oil inlet, and the temperature controller is connected with a control interface of the heater and a control interface of the electromagnetic valve.
3. The lithium hexafluorophosphate preparation solid-liquid separation and purification integrated equipment as claimed in claim 1, wherein: the highest position of the heat conduction oil circulating pipe relative to the horizontal plane is higher than the highest position of the heat conduction oil recycling pipe and the container relative to the horizontal plane.
4. The lithium hexafluorophosphate preparation solid-liquid separation and purification integrated equipment as claimed in claim 3, wherein: the filter screen is a stainless steel filter screen with the precision of 1 micron.
5. The lithium hexafluorophosphate preparation solid-liquid separation and purification integrated equipment as claimed in claim 2, wherein: this equipment still includes switching power supply, auxiliary relay, thermistor, 2, 3 power input ends of temperature controller connect and exchange 220V voltage power supply, 5, 6 ends of temperature controller connect the coil both ends control auxiliary relay coil of auxiliary relay and switch on or off, the AC 220V power is connected to two normally open contact one end of auxiliary relay, the heater is connected to the other end, 8, 9 of temperature controller be the relay output, switching power supply inserts and exchanges 220V, output direct current 24V, 8 ends of temperature controller insert 24V direct current through switching power supply, 9 ends of temperature controller are connected with the 24V control end of solenoid valve, switching power supply's GND and the ground connection of solenoid valve, thermistor is connected to 12, 13 ends of temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920319848.9U CN210084967U (en) | 2019-03-14 | 2019-03-14 | Solid-liquid separation and purification integrated equipment for lithium hexafluorophosphate preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920319848.9U CN210084967U (en) | 2019-03-14 | 2019-03-14 | Solid-liquid separation and purification integrated equipment for lithium hexafluorophosphate preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210084967U true CN210084967U (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920319848.9U Active CN210084967U (en) | 2019-03-14 | 2019-03-14 | Solid-liquid separation and purification integrated equipment for lithium hexafluorophosphate preparation |
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| Country | Link |
|---|---|
| CN (1) | CN210084967U (en) |
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2019
- 2019-03-14 CN CN201920319848.9U patent/CN210084967U/en active Active
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Effective date of registration: 20230828 Granted publication date: 20200218 |