CN216686532U

CN216686532U - Novel lithium fluoride feeding device

Info

Publication number: CN216686532U
Application number: CN202221107671.4U
Authority: CN
Inventors: 罗海钊; 陈飞; 孙喜滨; 宋垒; 苏振杰; 王勇
Original assignee: Shenghua New Energy Technology Dongying Co Ltd
Current assignee: Shenghua New Energy Technology Dongying Co Ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-06-07
Anticipated expiration: 2032-05-10

Abstract

The utility model relates to the technical field of feeding devices, in particular to a novel lithium fluoride feeding device. The technical scheme is as follows: the device comprises a temporary storage bin, a gas buffer tank and a lithium fluoride feeding bin, wherein the upper end of the temporary storage bin is connected with a lithium fluoride feeding pipe, and the lower end of the temporary storage bin is connected with a lithium fluoride discharging pipe; the output end of the gas buffer tank is connected to the positive pressure fan through a filter, and is connected in parallel with the lithium fluoride discharge pipe through a gas delivery pipe and then is sent into the lithium fluoride feeding bin, and the bottom of the lithium fluoride feeding bin is connected to the lithium hexafluorophosphate production device through a pipeline. The beneficial effects are that: the utility model eliminates the risk points of lithium fluoride woven bag packaging operation and direct contact with lithium fluoride, and reduces the labor intensity of staff; the lithium fluoride is directly conveyed to a lithium hexafluorophosphate production device of the required lithium fluoride by adopting gas closed conveying, so that the transportation operation of a forklift, unpacking operation and the like are eliminated; in addition, insoluble substances such as woven bag scraps cannot be brought into the production device, and the quality of raw materials is improved.

Description

Novel lithium fluoride feeding device

Technical Field

The utility model relates to the technical field of feeding devices, in particular to a novel lithium fluoride feeding device.

Background

In the production of lithium hexafluorophosphate, lithium fluoride is an essential chemical raw material, but the produced lithium fluoride is mostly packaged by woven bags, and the weight of one bag is generally 20 Kg. In the process of charging lithium fluoride, dozens of bags of lithium fluoride are firstly placed on a fumigation tray, then the fumigation tray is transported to an operation site by using a forklift, and then manual unpacking operation is carried out to manually charge the lithium fluoride into a storage bin, so that the problems of high labor intensity and low safety coefficient exist in the lithium fluoride charging operation; moreover, in the feeding process, toxic gas in the container is easily reversely strung into the feeding bin through the pipeline, so that poisoning of operators and environmental pollution can be caused, and chips generated by dismantling woven bags in the feeding process easily enter a production device, so that the index of insoluble substances in products is increased. Therefore, in order to avoid the increase of indexes of personal safety injury, environmental pollution and insoluble substances of products caused by lithium fluoride charging operation, the novel lithium fluoride charging device special for lithium hexafluorophosphate production is specially designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a novel lithium fluoride feeding device, which eliminates the potential danger of lithium fluoride feeding operation to a certain extent, is safer and more reliable to operate and improves the product quality.

The utility model provides a novel lithium fluoride feeding device, which adopts the technical scheme that: the device comprises a temporary storage bin, a gas buffer tank and a lithium fluoride feeding bin, wherein the upper end of the temporary storage bin is connected with a lithium fluoride feeding pipe, and the lower end of the temporary storage bin is connected with a lithium fluoride discharging pipe; the output of gas buffer tank be connected to positive pressure fan through the filter to send into lithium fluoride through gas conveying pipe and parallelly connected back with lithium fluoride discharging pipe and add the feed bin, lithium fluoride adds the inner chamber in feed bin and is equipped with weighing module, is equipped with the dust remover on the upper portion that lithium fluoride added the feed bin, lithium fluoride adds the bottom in feed bin and is equipped with the discharge gate, fourth solenoid valve is connected to the discharge gate lower extreme, and the fourth solenoid valve passes through pipe connection to lithium hexafluorophosphate apparatus for producing.

Preferably, the first electromagnetic valve is arranged on the lithium fluoride feeding pipe of the temporary storage bin, the pressure sensor and the first cut-off valve are arranged on the upper side of the temporary storage bin, and the pneumatic butterfly valve and the rotary butterfly valve are arranged on the lithium fluoride discharging pipe at the lower end of the temporary storage bin.

Preferably, a check valve and a second electromagnetic valve are arranged on the gas conveying pipe connected with the outer end of the positive pressure fan.

Preferably, the upper end of the lithium fluoride feeding bin is provided with a second stop valve and a safety valve.

Preferably, a third electromagnetic valve is disposed at an upper portion of the dust collector.

Preferably, a plurality of blowing auxiliary nozzles are arranged on the lower side of the inner cavity of the lithium fluoride charging bin, the plurality of blowing auxiliary nozzles are respectively collected on the main pipeline, and the main pipeline is provided with a third cut-off valve.

Preferably, the output end of the filter is connected to a gas conveying pipe at the output end of the positive pressure fan through another auxiliary pipeline.

The utility model has the beneficial effects that: in addition, the lithium fluoride is directly conveyed to a lithium hexafluorophosphate production device needing the lithium fluoride in a gas-tight manner, so that the transportation operation, unpacking operation and the like of a forklift are eliminated, the safety risk of the transportation of the forklift and the risk point of direct contact of staff with the lithium fluoride are eliminated, and the labor intensity of the staff is reduced;

in addition, the utility model adopts gas to carry materials in a sealed way, so that insoluble substances such as braided bag scraps and the like can not be brought into a production device, the quality of raw materials is improved, in a word, the potential danger of feeding lithium fluoride is eliminated to a certain extent, and the operation is safer and more reliable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the connection of the temporary storage bin;

FIG. 3 is a schematic view showing the connection of a lithium fluoride charging hopper;

in the upper diagram: the device comprises a first electromagnetic valve 1, a temporary storage bin 2, a pressure sensor 3, a first cut-off valve 4, a pneumatic butterfly valve 5, a rotary butterfly valve 6, a gas buffer tank 7, a positive pressure fan 8, a filter 9, a check valve 10, a second electromagnetic valve 11, a second cut-off valve 12, a third electromagnetic valve 13, a dust remover 14, a safety valve 15, a lithium fluoride charging bin 16, a third cut-off valve 17, a fourth electromagnetic valve 18, a weighing module 19, a lithium hexafluorophosphate production device 20, a lithium fluoride discharging pipe 2.1, a gas conveying pipe 7.1, an auxiliary pipeline 7.2, a blowing auxiliary nozzle 16.1 and a main pipeline 16.2.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Embodiment 1, referring to fig. 1 to 3, the novel lithium fluoride charging device provided by the utility model comprises a temporary storage bin 2, a gas buffer tank 7 and a lithium fluoride charging bin 16, wherein the upper end of the temporary storage bin 2 is connected with a lithium fluoride charging pipe, and the lower end of the temporary storage bin is connected with a lithium fluoride discharging pipe; the output of gas buffer tank 7 be connected to positive pressure positive blower 8 through filter 9 to send into lithium fluoride through gas delivery pipe 7.1 and lithium fluoride discharging pipe 2.1 parallelly connected back and add feed bin 16, the inner chamber that lithium fluoride added feed bin 16 is equipped with weighing module 19, is equipped with dust remover 14 on the upper portion that lithium fluoride added feed bin 16, lithium fluoride adds the bottom of feed bin 16 and is equipped with the discharge gate, and fourth solenoid valve 18 is connected to the discharge gate lower extreme, and fourth solenoid valve 18 passes through pipe connection to lithium hexafluorophosphate apparatus for producing 20.

Wherein, the first solenoid valve 1 is installed to the lithium fluoride inlet pipe of above-mentioned temporary storage storehouse 2, temporary storage storehouse 2 upside be equipped with pressure sensor 3 and first cut-off valve 4, the lithium fluoride discharging pipe of temporary storage storehouse 2 lower extreme install pneumatic butterfly valve 5 and rotary butterfly valve 6.

Preferably, a check valve 10 and a second electromagnetic valve 11 are provided on the gas delivery pipe connected to the outer end of the positive pressure fan 8.

Preferably, the upper end of the lithium fluoride feeding bin 16 is provided with a second cut-off valve 12 and a safety valve 15.

Preferably, a third electromagnetic valve 13 is provided at an upper portion of the dust collector 14.

Preferably, a plurality of blowing auxiliary nozzles 16.1 are arranged at the lower side of the inner cavity of the lithium fluoride charging bin 16, the plurality of blowing auxiliary nozzles 16.1 are respectively gathered on the main pipeline 16.2, and a third cut-off valve 17 is arranged on the main pipeline 16.2.

Preferably, the output end of the filter 9 is connected to the gas delivery pipe 7.1 at the output end of the positive pressure fan 8 through another auxiliary pipeline 7.2.

When the lithium fluoride temporary storage device is used, lithium fluoride produced by the company is directly fed into the temporary storage bin 2 under the control of the first electromagnetic valve 1, and the lithium fluoride in the temporary storage bin 2 is subjected to subsequent lithium fluoride discharging operation under the control of the pneumatic butterfly valve 5 and the rotary butterfly valve 6; after the lithium fluoride from the temporary storage bin 2 is filtered by a filter 9 and pressurized by a positive pressure fan 8 through nitrogen stored in a gas buffer tank 7, the nitrogen carries the lithium fluoride and is conveyed to a lithium fluoride feeding bin 16, and after the nitrogen carries the powdery lithium fluoride and is conveyed to the lithium fluoride feeding bin 16 with increased space from a narrow pipeline, the pressure is released to a certain extent, so that the heavier powdery lithium fluoride can fall into the lithium fluoride feeding bin 16, and the lighter nitrogen is discharged through a gas outlet provided with a dust remover 14; in addition, after the lithium fluoride is weighed and metered by the weighing module 19 in the lithium fluoride feeding bin 16, the lithium fluoride is fed into the lithium hexafluorophosphate production device 20 under the control of the fourth electromagnetic valve 18, and downward blowing can be assisted by the plurality of blowing auxiliary nozzles 16.1, so that the lithium fluoride is more easily fed to the discharge hole.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent changes made according to the technical solution of the present invention shall fall within the scope of the present invention as claimed.

Claims

1. The utility model provides a novel lithium fluoride throws material device which characterized by: the device comprises a temporary storage bin (2), a gas buffer tank (7) and a lithium fluoride feeding bin (16), wherein the upper end of the temporary storage bin (2) is connected with a lithium fluoride feeding pipe, and the lower end of the temporary storage bin is connected with a lithium fluoride discharging pipe; the output of gas buffer tank (7) pass through filter (9) and be connected to positive pressure positive blower (8) to send into lithium fluoride through gas delivery pipe (7.1) and parallelly connected back with lithium fluoride discharging pipe (2.1) and add feed bin (16), the inner chamber that lithium fluoride added feed bin (16) is equipped with weighing module (19), is equipped with dust remover (14) on the upper portion that lithium fluoride added feed bin (16), the bottom that lithium fluoride added feed bin (16) is equipped with the discharge gate, fourth solenoid valve (18) are connected to the discharge gate lower extreme, fourth solenoid valve (18) are through pipe connection to lithium hexafluorophosphate apparatus for producing (20).

2. The novel lithium fluoride feeding device as claimed in claim 1, wherein: a first electromagnetic valve (1) is installed on a lithium fluoride feeding pipe of the temporary storage bin (2), a pressure sensor (3) and a first cut-off valve (4) are arranged on the upper side of the temporary storage bin (2), and a pneumatic butterfly valve (5) and a rotary butterfly valve (6) are installed on a lithium fluoride discharging pipe at the lower end of the temporary storage bin (2).

3. The novel lithium fluoride feeding device as claimed in claim 2, wherein: and a check valve (10) and a second electromagnetic valve (11) are arranged on the gas conveying pipe connected with the outer end of the positive pressure fan (8).

4. The novel lithium fluoride feeding device as claimed in claim 3, wherein: and the upper end of the lithium fluoride feeding bin (16) is provided with a second cut-off valve (12) and a safety valve (15).

5. The novel lithium fluoride feeding device as claimed in claim 4, wherein: and a third electromagnetic valve (13) is arranged at the upper part of the dust remover (14).

6. The novel lithium fluoride feeding device as claimed in claim 5, wherein: the lower side of the inner cavity of the lithium fluoride charging bin (16) is provided with a plurality of blowing auxiliary nozzles (16.1), the blowing auxiliary nozzles (16.1) are respectively collected on the main pipeline (16.2), and the main pipeline (16.2) is provided with a third cut-off valve (17).

7. The novel lithium fluoride feeding device as claimed in claim 6, wherein: the output end of the filter (9) is connected to a gas conveying pipe (7.1) at the output end of the positive pressure fan (8) through an auxiliary pipeline (7.2) at the other path.