CN221311403U

CN221311403U - Slurry screening machine

Info

Publication number: CN221311403U
Application number: CN202322736868.5U
Authority: CN
Inventors: 余康旭; 吴敏聪
Original assignee: Gree Altairnano New Energy Inc
Current assignee: Gree Altairnano New Energy Inc
Filing date: 2023-10-11
Publication date: 2024-07-12
Anticipated expiration: 2033-10-11

Abstract

The utility model provides a slurry screening machine. The slurry sieving machine comprises: the machine body is provided with a containing cavity for containing the screened slurry; the screening assembly comprises a bearing funnel and a screen assembly, at least one of the bearing funnel and the screen assembly is detachably arranged at the opening of the machine body, the bearing funnel is used for containing non-screened slurry, the bearing funnel is provided with a first position connected with the opening of the machine body, the bearing funnel is provided with a second position far away from the opening of the machine body, when the bearing funnel is positioned at the second position, the screen assembly is arranged at the opening of the machine body, and the screen assembly is positioned on the surface of the machine body; the side wall of the machine body is provided with a vacuum extraction opening, the vacuum extraction opening is used for being connected with a vacuumizing device, and the side wall of the machine body is also connected with an ultrasonic device, so that the quality and efficiency during sieving are improved.

Description

Slurry screening machine

Technical Field

The utility model relates to the technical field of sieving devices, in particular to a slurry sieving machine.

Background

Along with the shortage of traditional energy and the rapid development of domestic new energy automobiles, the development of new energy is not separated from the development of lithium ion batteries. The preparation process of the lithium ion battery mainly comprises pulping, coating, tabletting, assembling, liquid injection, formation and capacity division.

Wherein the quality of pulping determines the quality of the subsequent process and the performance of the battery. And even if the slurry preparation process has good dispersibility, agglomerated particles still exist, and the particles can cause scratches and pits in coating, so that the coating rate and the subsequent battery performance are greatly affected. For this reason, many battery manufacturers will screen the slurry when discharging the slurry, but the current screening method is to screen the slurry by gravity and vacuum pump. The gravity is used for sieving slowly, and the particles are easy to block the screen mesh to reduce sieving efficiency. The vacuum pump sieves fast, but because the vacuum force is strong, the particles blocked at the screen mouth are easy to be washed out, and the sieving quality is greatly influenced.

Disclosure of utility model

The utility model mainly aims to provide a slurry screening machine, which aims to solve the problem of low efficiency and quality in the prior art when slurry is screened.

In order to achieve the above object, according to one aspect of the present utility model, there is provided a slurry screening machine. The slurry sieving machine comprises: the machine body is provided with a containing cavity for containing the screened slurry; the screening assembly comprises a bearing funnel and a screen assembly, at least one of the bearing funnel and the screen assembly is detachably arranged at the opening of the machine body, the bearing funnel is used for containing non-screened slurry, the bearing funnel is provided with a first position connected with the opening of the machine body, the bearing funnel is provided with a second position far away from the opening of the machine body, when the bearing funnel is positioned at the second position, the screen assembly is arranged at the opening of the machine body, and the screen assembly is positioned on the surface of the machine body; the side wall of the machine body is provided with a vacuum extraction opening, the vacuum extraction opening is used for being connected with a vacuumizing device, and the side wall of the machine body is also connected with an ultrasonic device.

Further, be equipped with a plurality of buckles on the spandrel funnel, a plurality of buckles set up along the circumference interval of spandrel funnel, and when spandrel funnel was in the first position, a plurality of buckles were connected with the organism.

Further, a liquid level meter is arranged on the side wall of the machine body and is positioned below the vacuum pumping port.

Further, the lateral wall of organism is equipped with ejection of compact ball valve, ejection of compact ball valve and level gauge electric connection.

Further, the discharging ball valve is an electric ball valve.

Further, the lateral wall of organism is equipped with the discharge gate, and one side of discharge gate is equipped with the dwang, and the dwang has the open position of opening the discharge gate to and the dwang has the shutoff position of shutoff discharge gate.

Further, the slurry screening machine further comprises a control unit, and the control unit is electrically connected with the vacuumizing device and the ultrasonic device.

Further, the screen assembly comprises at least two layers of 180 mesh screens for screening at least one of ternary, lithium iron phosphate, lithium cobalt oxide, lithium manganese iron phosphate, lithium titanate.

By adopting the technical scheme of the utility model, the vacuum extraction opening is arranged on the machine body, the vacuum extraction opening is connected with the vacuumizing device, the side wall of the machine body is also connected with the ultrasonic device, and in the slurry sieving process, the ultrasonic device and the vacuumizing device have running states which are simultaneously opened, so that when the slurry passes through the screen assembly, the ultrasonic device and the vacuumizing device are simultaneously started, the ultrasonic device can disperse agglomerated particles of the slurry deposited on the screen assembly, prevent holes from being blocked, and the vacuumizing device can enable the slurry with good dispersibility to pass through the screen assembly quickly, and can ensure the fineness consistency of the slurry before coating, thereby improving the quality and efficiency during sieving.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

In the drawings:

Fig. 1 shows a schematic structural view of a first embodiment of a pulp screening machine according to the present utility model;

fig. 2 shows a schematic structural view of a second embodiment of a pulp screening machine according to the present utility model.

Wherein the above figures include the following reference numerals:

1. A body; 2. a holding funnel; 21. a buckle; 3. a screen assembly; 4. a vacuum extraction opening; 5. an ultrasonic device; 6. a liquid level gauge; 7. discharging ball valve; 8. and rotating the rod.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art, that in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and that identical reference numerals are used to designate identical devices, and thus descriptions thereof will be omitted.

Referring to fig. 1-2, a slurry screening machine is provided according to an embodiment of the present utility model.

Specifically, as shown in fig. 1, the slurry screening machine includes: a body 1, the body 1 having a receiving chamber for receiving the screened slurry; a sieving assembly comprising a holding funnel 2 and a screen assembly 3, at least one of the holding funnel 2 and the screen assembly 3 being detachably arranged at the opening of the machine body 1, the holding funnel 2 being used for placing the non-sieved slurry, the holding funnel 2 having a first position connected to the opening of the machine body 1, and the holding funnel 2 having a second position remote from the opening of the machine body 1, the screen assembly 3 being arranged at the opening of the machine body 1 when the holding funnel is in the second position, the screen assembly 3 being located on the surface of the machine body 1; wherein, be equipped with vacuum extraction opening 4 on the lateral wall of organism 1, vacuum extraction opening 4 is used for connecting evacuating device, and the lateral wall of organism 1 still is connected with ultrasonic device 5.

In this embodiment, through setting up vacuum extraction opening 4 on organism 1, vacuum extraction opening 4 connects evacuating device, the lateral wall of organism 1 still is connected with ultrasonic device 5, in the thick liquids screening process, ultrasonic device 5 and evacuating device have the running state who opens simultaneously for thick liquids when sieving screen assembly 3, ultrasonic device 5 and evacuating device start simultaneously, ultrasonic device 5 can make the aggregate particle of thick liquids deposit on screen assembly 3 scatter, prevent to block up the hole, evacuating device can make the thick liquids that the dispersibility is good pass through screen assembly 3 fast, can fine assurance before the coating thick liquids fineness uniformity, thereby quality and efficiency when sieving have been improved.

Further, the carrying funnel 2 is provided with a plurality of buckles 21, the plurality of buckles 21 are arranged at intervals along the circumference of the carrying funnel 2, and when the carrying funnel 2 is in the first position, the plurality of buckles 21 are connected with the machine body 1. The arrangement makes the holding funnel 2 detachably connected with the machine body 1, so that the convenience of use is improved.

As shown in fig. 2, a liquid level meter 6 is arranged on the side wall of the machine body 1, and the liquid level meter 6 is positioned below the vacuum pumping port 4. The level gauge may be used to monitor the level of liquid in a liquid storage tank, container or pipe to ensure that the storage and use of the liquid is within safe limits and to avoid spillage or lack of liquid.

Further, the lateral wall of organism 1 is equipped with ejection of compact ball valve 7, ejection of compact ball valve 7 and level gauge 6 electric connection. When the slurry reaches the height of the liquid level meter 6, the discharging ball valve 7 is started to discharge the slurry.

Further, the discharge ball valve 7 is an electric ball valve. The electric discharging ball valve is a valve for controlling fluid medium, and has the main functions of opening, closing and regulating fluid.

Further, the lateral wall of organism 1 is equipped with the discharge gate, and one side of discharge gate is equipped with dwang 8, and dwang 8 has the open position of opening the discharge gate to and dwang 8 has the shutoff position of shutoff discharge gate. This arrangement makes it possible to manually operate the rotating lever 8 to discharge the slurry.

Further, the slurry screening machine further comprises a control unit, and the control unit is electrically connected with the vacuumizing device and the ultrasonic device 5. This arrangement increases the degree of automation of the slurry screening machine.

Further, the screen assembly 3 includes at least two 180 mesh screens for screening at least one of ternary, lithium iron phosphate, lithium cobalt oxide, lithium manganese iron phosphate, lithium titanate, so arranged that the efficiency and quality of screening by the screens are improved.

The working process of the utility model comprises the following steps: the holding funnel 2 is mainly used for holding non-screened slurry, the holding funnel 2 is provided with a buckle 21, the buckle 21 can be matched with the machine body 1 after the slurry is screened, and two layers of 180-mesh screens are placed between the holding funnel 2 and the machine body 1 before the matching for passing oily positive electrode materials (ternary materials, lithium iron phosphate, lithium cobalt oxide, lithium manganese iron phosphate and the like) or oily negative electrode materials (lithium titanate). The machine body 1 is provided with a vacuum extraction opening 4 which can be connected with a vacuum extraction device to carry out vacuum extraction operation, and the air pressure difference on two sides of a screen mesh is formed through vacuum extraction to accelerate the sieving speed of slurry. When the sieved slurry reaches the liquid level meter 6, the lower discharge ball valve 7 is automatically opened. The slurry can automatically flow into the transfer tank, so that the discharge of the slurry is realized. The size of the device can be changed according to the size of the actual production discharge amount.

Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition to the foregoing, references in the specification to "one embodiment," "another embodiment," "an embodiment," etc., indicate that the particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the utility model, as generally described. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is intended that such feature, structure, or characteristic be implemented within the scope of the utility model.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A pulp screening machine, comprising:

A body (1), the body (1) having a receiving cavity for receiving the screened slurry;

a sieving assembly comprising a holding funnel (2) and a screen assembly (3), at least one of the holding funnel (2) and the screen assembly (3) being detachably arranged at the opening of the machine body (1), the holding funnel (2) being used for placing non-sieved slurry, the holding funnel (2) having a first position connected to the opening of the machine body (1), and the holding funnel (2) having a second position remote from the opening of the machine body (1), the screen assembly (3) being arranged at the opening of the machine body (1) when the holding funnel is in the second position, the screen assembly (3) being located on the surface of the machine body (1);

The side wall of the machine body (1) is provided with a vacuum extraction opening (4), the vacuum extraction opening (4) is used for being connected with a vacuumizing device, and the side wall of the machine body (1) is also connected with an ultrasonic device (5).

2. A pulp screening machine according to claim 1, characterized in that the receiving hopper (2) is provided with a plurality of catches (21), a plurality of catches (21) being arranged at intervals along the circumference of the receiving hopper (2), a plurality of catches (21) being connected with the machine body (1) when the receiving hopper (2) is in the first position.

3. The pulp screening machine according to claim 1, characterized in that a liquid level meter (6) is arranged on the side wall of the machine body (1), and the liquid level meter (6) is positioned below the vacuum suction opening (4).

4. A pulp screening machine according to claim 3, characterized in that the side wall of the machine body (1) is provided with a discharge ball valve (7), the discharge ball valve (7) being electrically connected with the level gauge (6).

5. The pulp screening machine according to claim 4, characterized in that the discharge ball valve (7) is an electric ball valve.

6. A pulp screening machine according to claim 3, characterized in that the side wall of the machine body (1) is provided with a discharge opening, one side of the discharge opening is provided with a turning lever (8), the turning lever (8) has an open position for opening the discharge opening, and the turning lever (8) has a blocking position for blocking the discharge opening.

7. A pulp screening machine according to claim 3, characterized in that it further comprises a control unit electrically connected to the vacuum-pumping device, the ultrasonic device (5).

8. A pulp screening machine according to claim 3, characterized in that the screen assembly (3) comprises at least two layers of 180 mesh screens for screening at least one of ternary, lithium iron phosphate, lithium cobalt oxide, lithium manganese iron phosphate, lithium titanate.