CN219003047U

CN219003047U - Industrial grade lithium hydroxide filtering and purifying equipment

Info

Publication number: CN219003047U
Application number: CN202222640812.5U
Authority: CN
Inventors: 蒋林衫; 唐佳华; 高玉煙; 高睿; 左佳忻
Original assignee: Yahua Lithium Ya'an Co ltd
Current assignee: Yahua Lithium Ya'an Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-05-12
Anticipated expiration: 2032-10-09

Abstract

The utility model discloses industrial-grade lithium hydroxide filtering and purifying equipment, and relates to the technical field of lithium hydroxide purification. Including the feeding shell, the inboard rotation of feeding shell is connected with initiative crushing roller, and inside one side fixedly connected with is driven smashes the basement, outside one end fixedly connected with smashes the motor, smash the output and the initiative crushing roller fixed connection of motor. According to the utility model, the lithium carbonate raw material poured into the feeding shell is fully crushed through the rotation of the driving crushing roller relative to the driven crushing substrate, and then flows into the reaction cylinder, and lime milk is poured into the reaction cylinder for reaction, and the stirring blade is matched for fully contacting and reacting the lithium carbonate powder and the lime milk, so that the raw material is completely converted into lithium hydroxide solution as much as possible, the yield is improved, the lime milk mixed into the finished product is reduced, the purity of the finished product is further improved, and the lithium carbonate raw material is not required to be crushed in advance, so that the cost is reduced.

Description

Industrial grade lithium hydroxide filtering and purifying equipment

Technical Field

The utility model relates to the technical field of lithium hydroxide purification, in particular to industrial-grade lithium hydroxide filtering and purifying equipment.

Background

Lithium hydroxide is a white monoclinic fine crystal, has pungency and strong alkalinity, can absorb carbon dioxide and moisture in air, is often used as electrolyte for preparing lithium salt and lithium-based lubricating grease and alkaline storage batteries, so the purity of the lithium hydroxide is important for the use of the electrolyte.

The utility model discloses Chinese patent with publication number of CN210163142U, which discloses industrial lithium hydroxide purifying equipment, comprising a first bottle body, wherein the bottom end inside the first bottle body is provided with a roller, and the outer side of the roller is uniformly fixed with a plurality of groups of stirring blades. According to the utility model, lithium carbonate and lime milk are led into the first bottle body through the first feeding pipe and the second feeding pipe, the motor drives the rotating shaft to rotate, the rotating shaft drives the roller to rotate, the stirring blades stir the lithium carbonate and the lime milk, the lithium carbonate and the lime milk are fully mixed for reaction, calcium carbonate obtained by the reaction is filtered through the filtering holes, the second bottle body is heated, the reacted gas is heated, and the second discharging pipe is used for discharging, so that the obtained lithium hydroxide is purer.

Although the utility model solves the problems in the background technology, in the practical application, if the lithium carbonate is not crushed in advance, the reaction speed of the lithium carbonate and lime milk is slower, and even if the lithium carbonate is stirred, the production efficiency is still lower, so that more lithium carbonate in the produced waste is not used, and more lime milk enters the second bottle body to influence the purity of the product; if the lithium carbonate is crushed in advance, an additional crushing device is needed, so that the cost is increased, and in the process of carrying, the powdery raw materials are easy to splash, so that waste is caused. Therefore, an industrial-grade lithium hydroxide filtering and purifying device is developed.

Disclosure of Invention

The utility model aims to provide industrial lithium hydroxide filtering and purifying equipment so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an industrial grade lithium hydroxide filters purification equipment, includes the reaction section of thick bamboo, the reaction section of thick bamboo includes the reaction shell, the fixed solid feed room that is provided with in top of reaction shell, the solid feed room includes the feed shell, the inboard rotation of feed shell is connected with initiative crushing roller, and inside one side fixedly connected with is driven smashes the basement, outside one end fixedly connected with smashes the motor, smash the output and the initiative crushing roller fixed connection of motor, the crisscross lock annular of each other has been seted up on the surface of initiative crushing roller and driven crushing basement.

Preferably, the bottom end of the reaction shell is fixedly connected with a stirring motor, and the output end of the stirring motor is communicated to the inside of the reaction shell and is fixedly connected with stirring paddles.

Preferably, a series of reaction seats are fixedly connected to the outer side of the bottom end of the reaction shell, a liquid inlet pipe is fixedly arranged at the top end of the reaction shell, and a liquid storage cylinder is fixedly arranged at the top end of the liquid inlet pipe through a valve.

Preferably, a liquid outlet is formed in one side of the reaction shell, a solid filter screen is fixedly connected to the inner side of the inner wall of the liquid outlet, and a connecting channel is fixedly communicated with one side of the reaction shell through the liquid outlet.

Preferably, a purifying chamber is fixedly arranged at one end of the connecting channel, the purifying chamber comprises a purifying shell, an exhaust hole is formed in the top end of the purifying shell, and a control valve is fixedly arranged at one side of the purifying shell.

Preferably, one end of the control valve is fixedly provided with a liquid outlet pipe, the bottom end of the purification shell is fixedly connected with a heating furnace, and the bottom end of the heating furnace is flush with the bottom end of the reaction seat.

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

this industrial grade lithium hydroxide filters purification equipment, through the rotation of initiative crushing roller relative driven crushing substrate, will pour into the lithium carbonate raw materials in the feed shell fully smash, after flowing into inside the reaction section of thick bamboo, again pour into lime milk to the reaction section of thick bamboo inside and react, cooperation stirring paddle's setting for lithium carbonate powder and lime milk fully contact the reaction, thereby turn into lithium hydroxide solution with the raw materials as complete as possible, the yield has been improved, lime milk in the finished product has been reduced, further the purity of finished product has been promoted, and need not to smash the lithium carbonate raw materials in advance, the cost is reduced.

Drawings

FIG. 1 is an isometric view of the present utility model;

FIG. 2 is a schematic structural view of a reaction cylinder according to the present utility model;

FIG. 3 is a schematic diagram of a solid state feed device of the present utility model;

FIG. 4 is a schematic diagram of the purification chamber structure of the present utility model.

In the figure: 1. a reaction cylinder; 101. a solid feed chamber; 111. a crushing motor; 112. an active crushing roller; 113. a feed housing; 114. a driven pulverizing substrate; 115. a feed cap; 116. a material guiding sloping plate; 102. a reaction housing; 103. stirring paddles; 104. a stirring motor; 105. a reaction seat; 106. a solid filter screen; 107. a liquid inlet pipe; 108. a liquid storage cylinder; 2. a purification chamber; 201. purifying the shell; 202. a heating furnace; 203. a liquid outlet pipe; 204. a control valve; 3. and a connecting channel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the description of the present utility model, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, it should be understood that the dimensions of the various elements shown in the figures are not drawn to actual scale, e.g., the thickness or width of some layers may be exaggerated relative to other layers for ease of description.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined or illustrated in one figure, no further detailed discussion or description thereof will be necessary in the following description of the figures.

As shown in fig. 1 to 4, the present utility model provides a technical solution:

the utility model provides an industrial grade lithium hydroxide filters purification equipment, includes reaction section of thick bamboo 1, and reaction section of thick bamboo 1 includes reaction shell 102, and reaction shell 102's top is fixed to be provided with solid feed chamber 101, and solid feed chamber 101 includes feed shell 113, in this embodiment, feed shell 113's top fixedly connected with feed top cap 115 to be provided with the feed inlet on feed top cap 115, and be connected with the guide swash plate 116 in one side of feed inlet inner wall fixedly. The inside rotation of feeding shell 113 is connected with initiative crushing roller 112, and inside one side fixedly connected with is followed movable grinding base 114, and outside one end fixedly connected with smashes motor 111, smashes the output and the initiative crushing roller 112 fixed connection of motor 111, and the crisscross lock annular of each other has been seted up to the surface of initiative crushing roller 112 and follow movable grinding base 114. The driven crushing base 114 forms a complex connecting belt between the two under the premise of not obstructing the rotation of the driving crushing roller 112, so that materials entering between the two can be subjected to shearing force generated by the relative movement of the two in all directions, and the materials are fully crushed. It should be noted that the feed inlet is provided directly above the junction of the driving pulverizing roller 112 and the driven pulverizing substrate 114, and at the same time, the material guiding inclined plate 116 is provided at one side close to the driving pulverizing roller 112 and extends toward the junction of the driving pulverizing roller 112 and the driven pulverizing substrate 114 as much as possible, so as to ensure that the input material can pass through the junction of the driving pulverizing roller 112 and the driven pulverizing substrate 114 without missing the pulverization due to collision and splashing. The bottom end of the reaction housing 102 is fixedly connected with a stirring motor 104, and the output end of the stirring motor 104 is communicated to the inside of the reaction housing 102 and is fixedly connected with stirring blades 103. In this embodiment, the stirring blade 103 includes a central rotating ring and an outer uniform blade, and covers almost the entire inner bottom of the reaction housing 102, and sufficiently stirs the reaction material to uniformly react. A series of reaction seats 105 are fixedly connected to the outer side of the bottom end of the reaction housing 102 to prop up the reaction housing 102. The top is fixed and is provided with feed liquor pipe 107, and the top of feed liquor pipe 107 is fixed and is provided with a liquid storage section of thick bamboo 108 through the valve. In this embodiment, the lime milk is stored in the liquid storage barrel 108, when the apparatus is in operation, the lithium carbonate ore is crushed by the solid feeding chamber 101 and then poured into the reaction barrel 1, the valve is opened, and a proper amount of lime milk is slowly poured into the lithium carbonate powder according to the amount of the lithium carbonate ore, and in this process, the stirring blade 103 is continuously rotated to fully mix and react the two reactants.

A liquid outlet is formed in one side of the reaction shell 102, a solid filter screen 106 is fixedly connected to the inner side of the inner wall surrounding the liquid outlet, and a connecting channel 3 is fixedly communicated with one side of the reaction shell 102 through the liquid outlet. In this embodiment, the solid filter 106 is very fine, and can block the lithium carbonate powder and the calcium carbonate impurity generated by the reaction, and the lithium hydroxide solution is flushed upward along the inner wall of the reaction housing 102 under the action of the centrifugal force generated by the rotation of the stirring blade 103, so as to flow out through the solid filter 106. In this embodiment, since the lime milk is added more slowly to the lithium carbonate powder, a large amount of lime milk is not present in the reaction housing 102 during the reaction, and therefore, no lime milk flows out through the solid filter 106, thereby ensuring the purity of the lithium hydroxide flowing out. One end of the connecting channel 3 is fixedly provided with a purifying chamber 2, the purifying chamber 2 comprises a purifying shell 201, the top end of the purifying shell 201 is provided with an exhaust hole, and one side of the purifying shell is fixedly provided with a control valve 204. One end of the control valve 204 is fixedly provided with a liquid outlet pipe 203, the bottom end of the purification shell 201 is fixedly connected with a heating furnace 202, and the bottom end of the heating furnace 202 is flush with the bottom end of the reaction seat 105. In the present embodiment, the produced lithium hydroxide is easily heated by the heating furnace 202 in the purification housing 201, in which the moisture is evaporated and discharged through the exhaust hole, and the giant exhaust hole may be communicated with an exhaust gas treatment device as necessary to treat the exhaust gas. The resulting more concentrated solution is then discharged through outlet line 203.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an industrial grade lithium hydroxide filters purification equipment, includes reaction tube (1), its characterized in that: the reaction cylinder (1) comprises a reaction shell (102), a solid feeding chamber (101) is fixedly arranged at the top end of the reaction shell (102), the solid feeding chamber (101) comprises a feeding shell (113), a driving crushing roller (112) is rotatably connected to the inner side of the feeding shell (113), a driven crushing substrate (114) is fixedly connected to one side of the inner part, a crushing motor (111) is fixedly connected to one end of the outer side of the feeding shell, the output end of the crushing motor (111) is fixedly connected with the driving crushing roller (112), and buckling ring grooves which are staggered with each other are formed in the surfaces of the driving crushing roller (112) and the driven crushing substrate (114).

2. The industrial grade lithium hydroxide filtration purification device of claim 1, wherein: the bottom end of the reaction shell (102) is fixedly connected with a stirring motor (104), and the output end of the stirring motor (104) is communicated to the inside of the reaction shell (102) and is fixedly connected with a stirring blade (103).

3. The industrial grade lithium hydroxide filtration purification device of claim 1, wherein: a series of reaction seats (105) are fixedly connected to the outer side of the bottom end of the reaction shell (102), a liquid inlet pipe (107) is fixedly arranged at the top end of the reaction shell, and a liquid storage cylinder (108) is fixedly arranged at the top end of the liquid inlet pipe (107) through a valve.

4. A technical grade lithium hydroxide filtration purification apparatus according to claim 3, wherein: a liquid outlet is formed in one side of the reaction shell (102), a solid filter screen (106) is fixedly connected to the inner side of the inner wall of the liquid outlet, and a connecting channel (3) is fixedly communicated with one side of the reaction shell (102) through the liquid outlet.

5. The industrial-grade lithium hydroxide filtration purification device of claim 4, wherein: one end of the connecting channel (3) is fixedly provided with a purifying chamber (2), the purifying chamber (2) comprises a purifying shell (201), the top end of the purifying shell (201) is provided with an exhaust hole, and one side of the purifying shell is fixedly provided with a control valve (204).

6. The industrial grade lithium hydroxide filtration purification device of claim 5, wherein: one end of the control valve (204) is fixedly provided with a liquid outlet pipe (203), the bottom end of the purification shell (201) is fixedly connected with a heating furnace (202), and the bottom end of the heating furnace (202) is flush with the bottom end of the reaction seat (105).