CN214553342U

CN214553342U - Lithium salt preparation facilities

Info

Publication number: CN214553342U
Application number: CN202023219560.6U
Authority: CN
Inventors: 何杰
Original assignee: Nantong Qinghua Nano Materials Co ltd
Current assignee: Nantong Qinghua Nano Materials Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-11-02
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a lithium salt preparation facilities relates to lithium salt preparation technical field, does not have the structure of pressure boost for the reation kettle who solves current lithium salt preparation, consequently unable further promotion temperature, the problem of the reaction degree of improvement material that can not be further. Fixedly connected with pressure boost pipe on the surface of retort, pressure boost pipe communicates with each other with retort is inside, fixed mounting has the hydraulic stem on the top surface of pressure boost pipe, the flexible end fixed mounting of hydraulic stem has the piston, the piston is located the inside of pressure boost pipe, the outside of retort is provided with heating shell, be provided with resistance heating pipe between heating shell and the retort, the first row of material pipe of fixedly connected with on the surface of retort, the one end fixedly connected with of first row of material pipe filters the barrel, the one end fixed mounting who filters the barrel has the filter motor.

Description

Lithium salt preparation facilities

Technical Field

The utility model relates to a lithium salt preparation technical field specifically is a lithium salt preparation facilities.

Background

The lithium secondary battery has the characteristics of high energy density, long service life, low self-discharge and the like, and has wider and wider application fields and markets. The electrolyte is considered to be blood of the lithium secondary battery as one of four key raw materials (positive electrode, negative electrode, electrolyte and separator) of the lithium secondary battery. The lithium salt occupies nearly half of the cost of the electrolyte and is the main core technology of the electrolyte, and the LiPF6 widely used at present is relatively sensitive to water and heat due to poor chemical stability, so that a great deal of capital and manpower are invested in both academic circles and industrial circles to prepare and research the new generation of lithium salt.

The reaction kettle for preparing the lithium salt in the prior art has no pressurizing structure, so that the temperature cannot be further increased, the reaction degree of materials cannot be further increased, and in order to increase the internal pressure value of the reaction kettle and enable the internal materials to be fully reacted; therefore, the market is urgently in need of developing a lithium salt preparation device to help people to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium salt preparation facilities to solve the reation kettle of current lithium salt preparation among the above-mentioned background art and not have the structure of pressure boost, consequently unable further promotion temperature, the problem of the reaction degree of improvement material that can not be further.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium salt preparation facilities, includes the retort, fixedly connected with pressure boost pipe on the surface of retort, pressure boost pipe communicates with each other with retort inside, fixed mounting has the hydraulic stem on the top surface of pressure boost pipe, the flexible end fixed mounting of hydraulic stem has the piston, the piston is located the inside of pressure boost pipe, the outside of retort is provided with the heating casing, be provided with resistance heating pipe between heating casing and the retort.

Preferably, the outer surface of the reaction tank is fixedly connected with a first discharging pipe, one end of the first discharging pipe is fixedly connected with a filtering barrel, one end of the filtering barrel is fixedly provided with a filtering motor, a conveying rod is arranged at the position of an inner middle shaft of the filtering barrel, one end of a rotating shaft of the filtering motor is fixedly connected with one end of the conveying rod, a material supporting plate and a spring are sleeved outside one end of the conveying rod, and two ends of the spring are respectively supported on the outer surface of one side of the material supporting plate and the inner end face of the filtering barrel.

Preferably, fixedly connected with feeder hopper on the surface of retort, all install control valve in the pipeline of feeder hopper and the pipeline of first row of material pipe.

Preferably, a stirring motor is fixedly mounted on the outer surface of the resistance heating pipe, a stirring rod is arranged in the reaction tank, and one end of a rotating shaft of the stirring motor is fixedly connected to one end of the stirring rod.

Preferably, set up the installation notch on the surface of filtering the barrel, and the inside fixed mounting of installation notch has the filter screen, fixedly connected with collects the casing on the surface of filtering the barrel, collect the outside of casing cover at the filter screen, the row's pipe of fixedly connected with second on the surface of one side of collecting the casing, the discharge end that the pipe was arranged to the second is provided with the collection tank, be provided with the bin outlet on filtering the surface of barrel, and the bin outlet corresponds with spring position.

Preferably, the blades on the conveying rod are distributed in a spiral mode, and the thread pitch is gradually reduced.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a through fixed connection pressure boost pipe on the surface of retort, pressure boost pipe communicates with each other with retort is inside, fixed mounting has the hydraulic stem on the top surface of pressure boost pipe, the flexible fixed mounting of hydraulic stem has the piston, the piston is located the inside of pressure boost pipe, the outside of retort is provided with heating shell, be provided with resistance heating pipe between heating shell and the retort, this can utilize resistance heating pipe to carry out the heating operation to the retort, promote the inside temperature of retort, provide temperature condition for the reaction of inside material, can start the hydraulic stem at the in-process of reaction simultaneously, utilize the hydraulic stem to drive the piston and remove in the inside of pressure boost pipe, and then strengthen the inside atmospheric pressure value of retort, thereby further promote the inside temperature value of retort, make material reaction more abundant.

Drawings

FIG. 1 is an internal structural view of the present invention;

FIG. 2 is a front view of the filter screen of the present invention;

fig. 3 is a schematic view of the whole conveying rod of the present invention.

In the figure: 1. a reaction tank; 2. heating the housing; 3. resistance heating pipes; 4. a pressure increasing pipe; 5. a piston; 6. a hydraulic lever; 7. a feed hopper; 8. a stirring rod; 9. a stirring motor; 10. a first discharging pipe; 11. a filter cylinder; 12. a filter motor; 13. a conveying rod; 14. a filter screen; 15. a second discharge pipe; 16. a collection tank; 17. a collection housing; 18. a material supporting plate; 19. a spring; 20. a discharge outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a lithium salt preparation device comprises a reaction tank 1, a pressure increasing pipe 4 is fixedly connected to the outer surface of the reaction tank 1, the pressure increasing pipe 4 is communicated with the inside of the reaction tank 1, a hydraulic rod 6 is fixedly installed on the outer surface of the top end of the pressure increasing pipe 4, a piston 5 is fixedly installed at the telescopic end of the hydraulic rod 6, the piston 5 is located inside the pressure increasing pipe 4, a heating shell 2 is arranged outside the reaction tank 1, a resistance heating pipe 3 is arranged between the heating shell 2 and the reaction tank 1, the resistance heating pipe 3 can be used for heating the reaction tank 1, the temperature inside the reaction tank 1 is increased, temperature conditions are provided for the reaction of internal materials, the hydraulic rod 6 can be started in the reaction process, the hydraulic rod 6 is used for driving the piston 5 to move inside the pressure increasing pipe 4, the air pressure value inside the reaction tank 1 is further increased, and the temperature value inside the reaction tank 1 is further increased, so that the material reaction is more complete.

Further, fixedly connected with first row of material pipe 10 on retort 1's the surface, the one end fixedly connected with of first row of material pipe 10 filters barrel 11, the one end fixed mounting who filters barrel 11 has filtering motor 12, the inside axis position department that filters barrel 11 is provided with carries pole 13, the rotation axis one end of filtering motor 12 and the one end fixed connection who carries pole 13, the one end outside of carrying pole 13 has cup jointed and has supported flitch 18 and spring 19, spring 19's both ends support respectively on the surface of one side that supports flitch 18 and on the inside terminal surface of filtering barrel 11.

Further, fixedly connected with feeder hopper 7 on retort 1's the surface, all install control valve in the pipeline of feeder hopper 7 and the pipeline of first blowdown pipe 10.

Further, a stirring motor 9 is fixedly installed on the outer surface of the resistance heating pipe 3, a stirring rod 8 is arranged inside the reaction tank 1, and one end of a rotating shaft of the stirring motor 9 is fixedly connected to one end of the stirring rod 8.

Further, set up the installation notch on filtering barrel 11's the surface, and the inside fixed mounting of installation notch has filter screen 14, fixedly connected with collects casing 17 on filtering barrel 11's the surface, collect casing 17 cover in filter screen 14's outside, collect fixedly connected with second row material pipe 15 on one side surface of casing 17, the discharge end of second row material pipe 15 is provided with collection tank 16, be provided with bin outlet 20 on filtering barrel 11's the surface, and bin outlet 20 corresponds with spring 19 position.

Further, the blades on the conveying rod 13 are distributed spirally, and the pitch is gradually decreased.

The working principle is as follows: when the device is used, the device is firstly installed at a specified position, then materials to be processed are injected into the reaction tank 1 from the feed hopper 7, then a valve on the feed hopper 7 is closed, the stirring motor 9 and the resistance heating pipe 3 are simultaneously started, at the moment, the stirring motor 9 drives the stirring rod 8 to rotate in the reaction tank 1, the materials in the reaction tank 1 are stirred, at the same time, the resistance heating pipe 3 raises the temperature in the reaction tank 1 to provide a temperature environment for the reaction of the materials, the hydraulic rod 6 is started in the reaction process, the piston 5 is driven by the hydraulic rod 6 to slide in the pressurizing pipe 4, so that the pressure value in the reaction tank 1 is increased, the temperature value in the reaction tank 1 is further raised, the reaction is more sufficient, after the reaction is finished, the valve on the first discharging pipe 10 is opened, at the moment, the mixture enters the filtering barrel 11, then start filter motor 12, drive conveying rod 13 through filter motor 12 and rotate, because the pitch of helical blade on conveying rod 13 diminishes gradually, consequently also can extrude the dehydration to the mixture in the in-process of carrying out the mixture, the liquid that extrudes passes filter screen 14 and gets into the inside of collecting shell 17, then gets into the inside of collection tank 16 along second row of material pipe 15, along with the material of dehydration more and more, the last material is pushed against flitch 18 and is taken place the displacement, spring 19 is compressed, the material of dehydration is discharged from bin outlet 20 at last.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A lithium salt preparation device, comprising a reaction tank (1), characterized in that: fixedly connected with pressure boost pipe (4) on the surface of retort (1), pressure boost pipe (4) communicate with each other with retort (1) inside, fixed mounting has hydraulic stem (6) on the top surface of pressure boost pipe (4), the flexible end fixed mounting of hydraulic stem (6) has piston (5), piston (5) are located the inside of pressure boost pipe (4), the outside of retort (1) is provided with heating shell (2), be provided with resistance heating pipe (3) between heating shell (2) and retort (1).

2. The lithium salt producing device according to claim 1, wherein: fixedly connected with first row of material pipe (10) on the surface of retort (1), the one end fixedly connected with of first row of material pipe (10) filters barrel (11), the one end fixed mounting who filters barrel (11) has filter motor (12), the inside axis position department of filtering barrel (11) is provided with transport pole (13), the rotation axis one end of filtering motor (12) and the one end fixed connection who carries pole (13), the one end outside of carrying pole (13) has cup jointed material supporting plate (18) and spring (19), the both ends of spring (19) are supported respectively on the surface of one side of material supporting plate (18) and on the inside terminal surface of filtering barrel (11).

3. The lithium salt producing device according to claim 1, wherein: fixedly connected with feeder hopper (7) on the surface of retort (1), all install control valve in the pipeline of feeder hopper (7) and the pipeline of first blowdown pipe (10).

4. The lithium salt producing device according to claim 1, wherein: fixed mounting has agitator motor (9) on the surface of resistance heating pipe (3), the inside of retort (1) is provided with puddler (8), the rotation axis one end fixed connection of agitator motor (9) is in the one end of puddler (8).

5. The lithium salt producing device according to claim 2, wherein: set up the installation notch on the surface of filter cylinder body (11), and the inside fixed mounting of installation notch has filter screen (14), fixedly connected with collects casing (17) on the surface of filter cylinder body (11), collect casing (17) cover in the outside of filter screen (14), fixedly connected with second row material pipe (15) on the surface of one side of collecting casing (17), the discharge end of second row material pipe (15) is provided with collection tank (16), be provided with bin outlet (20) on the surface of filter cylinder body (11), and bin outlet (20) correspond with spring (19) position.

6. The lithium salt producing device according to claim 2, wherein: the blades on the conveying rod (13) are distributed in a spiral mode, and the thread pitches are decreased gradually in sequence.