CN220479016U - Sand mill feeding device suitable for high-density water-contacting easily-agglomerated easily-settled material - Google Patents

Abstract

The utility model discloses a sand mill feeding device suitable for high-density water-contacting easily-caking easily-settling materials, which comprises a feeding tank containing water, a feeding pipeline communicated with the feeding tank, a blowing unit and a slurry circulating unit, wherein the top of the feeding tank is provided with a feeding port; the air blowing unit comprises an air pipe and an air compressor, wherein the air pipe and the air compressor are communicated with the bottom of the feeding tank, compressed air is input into the tank cavity of the feeding tank through the air pipe, and the compressed air enters the tank cavity of the feeding tank and forms high-pressure air flow which flows from bottom to top and breaks up materials; the slurry circulation unit comprises a circulation pipeline and a circulation pump. On one hand, the utility model ensures that the materials are well dispersed without sedimentation and caking before entering the cavity of the sand mill, and ensures that the sand milling reaction and the circulation of the ground materials normally run; on the other hand, the frequency of disassembling and washing of the machine can be reduced, the labor and time cost is reduced, and the waste of materials is reduced.

Description

Sand mill feeding device suitable for high-density water-contacting easily-agglomerated easily-settled material

Technical Field

The utility model belongs to the field of feeding devices, and particularly relates to a sand mill feeding device suitable for high-density materials which are easy to agglomerate and settle when meeting water.

Background

With the high-speed development of electric automobiles, the demand of power lithium ion batteries is rising. The lithium iron manganese phosphate is used as an upgrading material of lithium iron phosphate, and has the advantages of high safety, long cycle life and stable discharge voltage compared with other anode materials.

At present, in the preparation process of the lithium iron manganese phosphate anode material, slurry obtained by mixing materials in proportion is sent to a sand mill for grinding.

However, as solid iron sources such as ferric oxide, ferric oxide and the like are used, and manganese sources such as manganese dioxide, manganese trioxide and the like can reach more than 5 times relative to water density, a traditional feeding tank is adopted, namely materials are mixed and then added into water in the feeding tank, and then are input into a sand mill through a feeding pipeline, however, when the materials are put into the water in the feeding tank, the materials are easy to agglomerate and settle when meeting water, the pipeline and the sand mill screen are easy to be blocked before entering the sand mill, and additional machine unpicking and washing, material waste and labor time cost are brought.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing an improved sand mill feeding device suitable for high-density materials which are easy to agglomerate and settle when meeting water. The device breaks up the material of adding in the material jar through blowing high-pressure gas, prevents that it from meeting the water caking, simultaneously through forming thick liquid circulation flow, prevents that the material from subsideing, makes the material reach good dispersion before getting into the sand mill cavity and does not subside non-caking, makes the circulation normal operating of sand grinding reaction and levigating material, and can reduce the frequency that the machine unpick and wash, reduces human and time cost, reduces the waste of material.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the sand mill feeding device suitable for the high-density water-contacting easily-caking easily-settling material comprises a feeding tank filled with water, a feeding pipeline communicated with the feeding tank, a blowing unit and a slurry circulating unit, wherein a feeding port is arranged at the top of the feeding tank; the air blowing unit comprises an air pipe and an air compressor, wherein the air pipe and the air compressor are communicated with the bottom of the feeding tank, compressed air is input into the tank cavity of the feeding tank through the air pipe, and the compressed air enters the tank cavity of the feeding tank and forms high-pressure air flow which flows from bottom to top and breaks up materials; the slurry circulation unit comprises a circulation pipeline and a circulation pump, wherein one end part of the circulation pipeline is inserted into the tank cavity of the feeding tank from top to bottom, the other end part of the circulation pipeline is communicated with the side part or the bottom of the feeding tank, and one end part of the circulation pipeline forms upward liquid flow in the tank cavity of the feeding tank and drives materials to keep flowing upward along with the liquid flow.

According to one specific implementation and preferred aspect of the utility model, the feeding tank comprises a tank body with an open top, and a tank cover arranged on the top of the tank body, wherein one part of the open top of the tank body is covered by the tank cover, and the other part of the open top of the tank body forms a feeding port. The result is simple and easy to install and implement.

Preferably, in the orthographic projection in the vertical direction, the area of the open mouth is s1, and the area of the feed opening is s2, wherein 0.45s1.ltoreq.s2.ltoreq.0.65s1. The size of the feeding opening relative to the opening is in the interval, and the feeding and material escape preventing efficiency is optimal.

According to a further specific and preferred aspect of the utility model, the feeding device further comprises a feeding platform connected to the side wall of the feeding tank, wherein the feeding platform is arranged in communication with the feeding opening. Here, the rapid feeding is convenient; simultaneously, the water gun is convenient to use to wash the feeding platform.

Preferably, the feeding platform horizontally extends and is arranged flush with the feeding port, and the mixed materials are placed on the feeding platform and synchronously pushed into the feeding port. Here, before throwing the material, can put all kinds of materials on throwing the material platform in order to be convenient for the staff to inspect, then can once only push into the material jar.

According to a further specific implementation and preferred aspect of the present utility model, the tank bottom of the charging tank is provided with a plurality of air inlets; the trachea includes to be responsible for, with a plurality of air inlets one-to-one intercommunication many branch pipes, and compressed air loops through to be responsible for, many branch pipes and forms multichannel air current in the jar intracavity of throwing the material jar. Here, form multichannel high pressure air current, further promote the effect of scattering to the material.

Preferably, the plurality of air inlets are circumferentially arrayed about the centerline of the feed tank.

According to still another specific implementation and preferred aspect of the utility model, the height h1 of the end of the circulation pipeline inserted into the tank cavity of the feeding tank from the tank bottom of the feeding tank is h2, wherein h1 is more than or equal to 0.15h2 and h2 is more than or equal to 0.25h2. In this case, the material is caused to flow upwards again under the influence of the liquid flow immediately before it is deposited on the tank bottom.

Preferably, the bottom center of the feeding tank is also connected with an auxiliary pipeline, and the auxiliary pipeline, the feeding pipeline and the circulating pipeline are communicated through a three-way valve.

In addition, the feeding device further comprises a stirring unit, wherein the stirring unit comprises a stirring paddle which is inserted into the tank cavity of the feeding tank from top to bottom and is close to the bottom of the feeding tank, and a motor for driving the stirring paddle to rotate. Here, the dispersion state of the material in the tank can be maintained by the stirring paddle when the slurry is fed to the sand mill.

Due to the implementation of the technical scheme, compared with the prior art, the utility model has the following advantages:

in the existing feeding tank, materials are easy to agglomerate and settle when meeting water, pipelines and sand mill screens are easy to be blocked before entering a sand mill, and extra machine unpick and wash, material waste and labor time cost are brought. The utility model skillfully solves various defects of the existing structure by carrying out integral design through the structure of the feeding device. By adopting the device, the materials added into the feeding tank are scattered by blowing high-pressure gas, so that the materials are prevented from caking when meeting water, and the materials are prevented from sedimentation by forming slurry to circularly flow, therefore, on one hand, the utility model ensures that the materials are well dispersed without sedimentation and caking before entering the cavity of the sand mill, and ensures that the sand milling reaction and the circulation of the ground materials normally run; on the other hand, the frequency of disassembling and washing of the machine can be reduced, the labor and time cost is reduced, and the waste of materials is reduced.

Drawings

Fig. 1 is a schematic front view (partially omitted) of a sand mill feeding device according to embodiment 1 of the present utility model;

fig. 2 is a schematic front view (partially omitted) of a sand mill feeding device according to embodiment 2 of the present utility model;

wherein: 1. charging bucket; k1, a feed inlet; 10. a tank body; 11. a can lid; 12. a support leg;

2. a feeding pipeline; f. a three-way valve; g. an auxiliary pipeline;

3. a feeding platform;

4. a blowing unit; 40. an air pipe; 401. a main pipe; 402. a branch pipe;

5. a slurry circulation unit; 50. a circulation line; 51. a circulation pump;

6. a stirring unit; 60. stirring paddles; 61. and a motor.

Detailed Description

The present utility model will be described in detail with reference to the drawings and the detailed description, so that the above objects, features and advantages of the present utility model can be more clearly understood. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact through an intervening medium. Moreover, a first feature "above" and "over" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under," "under" and "beneath" the second feature may be the first feature being directly under or obliquely under the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "up," "down," "left," "right," and similar expressions are used herein for illustrative purposes only and are not meant to be the only embodiment.

Example 1

As shown in fig. 1, the embodiment provides a sand mill feeding device suitable for high-density water-prone-caking and easy-sedimentation materials, which comprises a feeding tank 1 filled with water, a feeding pipeline 2 communicated with the feeding tank 1, a feeding platform 3, an air blowing unit 4 and a slurry circulating unit 5.

In this example, a feed inlet k1 is formed in the top of the feed tank 1. In some embodiments, the feeding tank 1 comprises a tank body 10 with an open top, a tank cover 11 arranged at the top of the tank body 10, and a supporting leg 12 arranged at the bottom of the tank body 10 to keep the bottom of the tank body 10 suspended, wherein a part of the open top of the tank body 10 is covered by the tank cover 11, the other part of the open top forms a feeding opening k1, in the vertical orthographic projection, the area of the open top is s1, and the area of the feeding opening is s2, wherein s2=0.5s1.

The feeding pipeline 2 is communicated with the bottom of the tank body 10.

The feeding platform 3 is connected to the side wall of the feeding tank 1, and the feeding platform 3 is communicated with the feeding port k1. In some embodiments, the feeding platform 3 extends horizontally and is arranged flush with the feeding port k1, and the mixed material is placed on the feeding platform 3 and synchronously pushed into the feeding port k1 to perform feeding of the material.

The air blowing unit 4 comprises an air pipe 40 and an air compressor, wherein the air pipe 40 is communicated with the tank bottom of the feeding tank 1, compressed air is input into the tank cavity of the feeding tank 1 through the air pipe 40, and the compressed air enters the tank cavity of the feeding tank 1 and forms high-pressure air flow which flows from bottom to top and breaks up materials.

In some specific embodiments, the tank bottom of the charging tank 1 is provided with a plurality of air inlets; the air pipe 40 comprises a main pipe 401 and a plurality of branch pipes 402 which are communicated with a plurality of air inlets in one-to-one correspondence, compressed air sequentially passes through the main pipe 401 and the plurality of branch pipes 402 and forms a plurality of air flows in the tank cavity of the feeding tank 1, and meanwhile, the plurality of air inlets are distributed in a circumferential array around the central line of the feeding tank 1.

The slurry circulation unit 5 comprises a circulation pipeline 50 and a circulation pump 51, wherein one end part of the circulation pipeline 50 is inserted into the tank cavity of the feeding tank 1 from top to bottom, the other end part of the circulation pipeline is communicated with the side part or the bottom of the feeding tank 1, and one end part forms upward liquid flow in the tank cavity of the feeding tank 1 and drives materials to keep flowing upwards along with the liquid flow; the circulation pump 51 employs a reverse diaphragm pump.

In some embodiments, the height of the end of the circulation pipeline 50 inserted into the tank cavity of the feeding tank 1 from the tank bottom of the feeding tank 1 is h1, and the liquid level in the tank cavity of the feeding tank 1 is h2, wherein h1=0.2h2; the center of the bottom of the charging bucket 1 is also connected with an auxiliary pipeline g, and the auxiliary pipeline g, the charging pipeline 2 and the circulating pipeline 50 are communicated through a three-way valve f. During feeding, the auxiliary pipeline g is communicated with the circulating pipeline 50, and slurry circularly flows between the tank cavity of the feeding tank 1 and the circulating pipeline 50; when feeding to the sand mill, the auxiliary pipeline g is communicated with the feeding pipeline 2, and the slurry uniformly mixed in the tank cavity of the feeding tank 1 enters the feeding pipeline 2 through the auxiliary pipeline g.

Therefore, the utility model can ensure that the materials are well dispersed without sedimentation and agglomeration before entering the cavity of the sand mill, and the sand milling reaction and the circulation of the finely ground materials normally run; on the other hand, the frequency of disassembling and washing of the machine can be reduced, the labor and time cost is reduced, and the waste of materials is reduced; in the third aspect, the size of the feeding opening relative to the opening is designed reasonably, and the feeding efficiency and the material escape prevention efficiency are optimal; in the fourth aspect, by arranging the feeding platform, quick feeding is facilitated, and meanwhile, a water gun is convenient to wash the feeding platform; in the fifth aspect, a plurality of high-pressure air flows can be formed in the tank cavity of the feeding tank, so that the scattering effect of materials is further improved; in the sixth aspect, the result is simple and convenient to install and implement.

Example 2

As shown in fig. 2, this embodiment provides a sand mill feeding device suitable for high-density materials that are easy to agglomerate and settle when meeting water, and compared with embodiment 1, the sand mill feeding device has basically the same structure, and the difference is that: the feeding device of the present embodiment further includes a stirring unit 6.

Specifically, the stirring unit 6 includes a stirring paddle 60 inserted into the tank cavity of the charging tank 1 from top to bottom and disposed near the tank bottom of the charging tank 1, and a motor 61 for driving the stirring paddle 60 to rotate, wherein the stirring paddle 60 may be a stirring paddle structure with a conventional shape. Here, the dispersion state of the material in the tank can be maintained by the stirring paddle when the slurry is fed to the sand mill.

The present utility model has been described in detail with the purpose of enabling those skilled in the art to understand the contents of the present utility model and to implement the same, but not to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. The sand mill feeding device suitable for the high-density water-contacting easily-caking easily-settling materials comprises a feeding tank filled with water and a feeding pipeline communicated with the feeding tank, and is characterized by further comprising a blowing unit and a slurry circulating unit, wherein a feeding port is arranged at the top of the feeding tank; the air blowing unit comprises an air pipe and an air compressor, wherein the air pipe and the air compressor are communicated with the bottom of the feeding tank, compressed air is input into the tank cavity of the feeding tank through the air pipe, and the compressed air enters the tank cavity of the feeding tank and forms high-pressure air flow which flows from bottom to top and breaks up materials; the slurry circulation unit comprises a circulation pipeline and a circulation pump, wherein one end part of the circulation pipeline is inserted into the tank cavity of the feeding tank from top to bottom, the other end part of the circulation pipeline is communicated with the side part or the bottom of the feeding tank, and the one end part forms upward liquid flow in the tank cavity of the feeding tank and drives the material to keep flowing upward along with the liquid flow.

2. The sand mill feeding device suitable for the high-density water-soluble and easy-to-agglomerate and easy-to-settle materials according to claim 1, wherein the feeding tank comprises a tank body with an open top and a tank cover arranged on the top of the tank body, wherein one part of the open top of the tank body is covered by the tank cover, and the other part of the open top of the tank body forms the feeding port.

3. The sand mill feeding device suitable for the high-density water-soluble and easy-to-agglomerate and easy-to-settle materials according to claim 2, wherein in the orthographic projection in the vertical direction, the area of the opening is s1, the area of the feeding opening is s2, and s2 is more than or equal to 0.45s1 and less than or equal to 0.65s1.

4. The sand mill feeding device suitable for the high-density water-soluble and easy-to-agglomerate and easy-to-settle materials according to claim 1, wherein the feeding device further comprises a feeding platform connected to the side wall of the feeding tank, and the feeding platform is communicated with the feeding port.

5. The sand mill feeding device suitable for the high-density water-soluble and easy-to-agglomerate and easy-to-settle materials according to claim 4, wherein the feeding platform horizontally extends and is arranged flush with the feeding opening, and the mixed materials are placed on the feeding platform and synchronously pushed into the feeding opening.

6. The sand mill feeding device suitable for the high-density water-soluble caking and sedimentation-prone materials, according to claim 1, wherein the tank bottom of the feeding tank is provided with a plurality of air inlets; the air pipe comprises a main pipe and a plurality of branch pipes which are communicated with the air inlets in one-to-one correspondence, and compressed air sequentially passes through the main pipe and the plurality of branch pipes and forms a plurality of air flows in the tank cavity of the feeding tank.

7. The sand mill feeding device for high-density water-prone caking and sedimentation materials according to claim 6, wherein the plurality of air inlets are circumferentially arrayed around a center line of the feeding tank.

8. The sand mill feeding device suitable for the high-density water-soluble and easy-to-agglomerate and easy-to-settle materials according to claim 1, wherein the height from the end part of the tank cavity of the feeding tank inserted into the circulating pipeline to the tank bottom of the feeding tank is h1, and the liquid level in the tank cavity of the feeding tank is h2, wherein h1 is more than or equal to 0.15h2 and less than or equal to 0.25h2.

9. The sand mill feeding device suitable for the high-density water-soluble and easy-to-agglomerate and easy-to-settle materials according to claim 1, wherein an auxiliary pipeline is further connected to the bottom center of the feeding tank, and the auxiliary pipeline, the feeding pipeline and the circulating pipeline are communicated through a three-way valve.

10. The sand mill feeding device suitable for the high-density water-soluble and easy-to-agglomerate and easy-to-settle materials, according to claim 1, further comprising a stirring unit, wherein the stirring unit comprises a stirring paddle which is inserted into the tank cavity of the feeding tank from top to bottom and is close to the tank bottom of the feeding tank, and a motor for driving the stirring paddle to rotate.