阅读说明：本技术 一种隔膜浆料自动添加装置 (Automatic device that adds of diaphragm thick liquids ) 是由 卢成壮 张瑞云 杨冠军 黄华 王菊 程健 白发琪 于 2021-09-08 设计创作，主要内容包括：本发明提供的一种隔膜浆料自动添加装置,包括：泵送机构,其进口通过进料管与隔膜浆料连通,其出口通过出料管与流延机料斗的进料口连通,流延机料斗的进料口与隔膜输出口相对设置；泵送机构的进料速度为V1,流延机的流延速度为V2,流延机料斗的长度为L,隔膜厚度为D,泵送机构的进料速度与流延机的流延速度之间的关系为：其中,K为修正系数,K的取值范围为1.1～1.2。本发明通过控制泵送机构与流延机之间的速度关系,实现隔膜流延过程的连续稳定运行。(The invention provides an automatic diaphragm slurry adding device, which comprises: the inlet of the pumping mechanism is communicated with the diaphragm slurry through a feeding pipe, the outlet of the pumping mechanism is communicated with the feeding hole of the casting machine hopper through a discharging pipe, and the feeding hole of the casting machine hopper is opposite to the diaphragm output port; the feed rate of pumping mechanism is V1, and the casting speed of casting machine is V2, and the length of casting machine hopper is L, and the diaphragm thickness is D, and the relation between the feed rate of pumping mechanism and the casting speed of casting machine is: wherein K is a correction coefficient, and the value range of K is 1.1-1.2. The invention realizes the continuous and stable operation of the diaphragm casting process by controlling the speed relation between the pumping mechanism and the casting machine.)

1. A diaphragm thick liquids automatic addition device which characterized in that includes:

the inlet of the pumping mechanism (1) is communicated with the diaphragm slurry through a feeding pipe (2), the outlet of the pumping mechanism is communicated with the feeding hole of the casting machine hopper (5) through a discharging pipe, and the feeding hole of the casting machine hopper (5) is opposite to the diaphragm output port;

the feeding speed of the pumping mechanism (1) is V1, the casting speed of the casting machine is V2, and the hopper (5) of the casting machineIs L, the thickness of the diaphragm is D, and the relation between the feeding speed of the pumping mechanism (1) and the casting speed of the casting machine is as follows:

wherein K is a correction coefficient, and the value range of K is 1.1-1.2.

2. The automatic membrane slurry adding device according to claim 1, wherein the tapping pipe comprises:

a first pipeline (6) communicated with an outlet of the pumping mechanism (1);

one end of the second pipeline (8) is communicated with the first pipeline (6), and the other end of the second pipeline is communicated with the casting machine hopper (5);

wherein the horizontal position of the first pipeline (6) is higher than the horizontal position of the second pipeline (8).

3. Diaphragm paste automatic adding device according to claim 2, characterized in that the second pipe (8) has a plurality of parallel arranged pipes, and the plurality of second pipes (8) are distributed along the width direction of the casting machine hopper (5) at equal intervals.

4. The automatic membrane slurry adding device according to claim 3, further comprising:

the transition pipeline (7) is of a T-shaped structure and is provided with a vertical section and a horizontal section which are vertically communicated, the vertical section is communicated with the first pipeline (6), and the horizontal section is respectively communicated with the second pipelines (8);

the horizontal section is provided with a liquid storage tank (9) which is concave downwards, and the horizontal position of the liquid storage tank (9) is lower than that of the second pipeline (8).

5. The automatic membrane slurry adding device according to claim 2, wherein the second pipeline (8) is of a horn-shaped structure and is provided with a narrow opening end and a wide opening end which are communicated with each other, the narrow opening end is communicated with the first pipeline (6), and the wide opening end is communicated with the casting machine hopper (5).

6. The automatic diaphragm paste adding device according to claim 5, wherein the second pipeline (8) is obliquely arranged from top to bottom, and the position of the narrow end is higher than that of the wide end.

7. A membrane slurry automatic adding device according to claim 5, characterized in that the second pipeline (8) has a downward-concave reservoir (9) at the narrow-mouth end, and the width of the reservoir (9) is consistent with the width of the narrow-mouth end.

8. Diaphragm paste automatic adding device according to claim 1, characterized in that the pumping mechanism (1) is a peristaltic pump.

Technical Field

The invention relates to the technical field of battery diaphragms, in particular to an automatic diaphragm slurry adding device.

Background

The molten carbonate fuel cell mainly comprises electrodes, a diaphragm, a bipolar plate, an electrolyte and the like, wherein the diaphragm is a porous material, the electrolyte is immersed in the diaphragm at a high temperature, and the diaphragm achieves the functions of air blocking and ion conduction.

At present, the device for automatically producing the diaphragm material in China adopts a casting machine to process and prepare, and is divided into two types in the adding process of the diaphragm slurry: one is to add the slurry manually, and the other is to add the slurry automatically at the liquid position in the hopper. Manual addition adds extra manpower and material resources, while automatic addition is a problem with inaccurate liquid position control or sedimentation.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defects of discontinuous and unstable diaphragm casting in the prior art, and provide an automatic diaphragm slurry adding device.

In order to solve the technical problem, the invention provides an automatic diaphragm slurry adding device, which comprises:

the inlet of the pumping mechanism is communicated with the diaphragm slurry through a feeding pipe, the outlet of the pumping mechanism is communicated with the feeding hole of the casting machine hopper through a discharging pipe, and the feeding hole of the casting machine hopper is opposite to the diaphragm output port;

the feeding speed of the pumping mechanism is V1, and the casting speed of the casting machineIs V2, the length of the casting machine hopper is L, the thickness of the diaphragm is D, and the relation between the feeding speed of the pumping mechanism and the casting speed of the casting machine is as follows:

wherein K is a correction coefficient, and the value range of K is 1.1-1.2.

Further, the tapping pipe comprises:

the first pipeline is communicated with an outlet of the pumping mechanism;

one end of the second pipeline is communicated with the first pipeline, and the other end of the second pipeline is communicated with the casting machine hopper;

wherein the horizontal position of the first pipeline is higher than the horizontal position of the second pipeline.

Furthermore, the second pipeline has many parallel arrangement, many the second pipeline along the equidistant distribution of width direction of casting machine hopper.

Further, still include:

the transition pipeline is of a T-shaped structure and is provided with a vertical section and a horizontal section which are vertically communicated, the vertical section is communicated with the first pipeline, and the horizontal section is respectively communicated with the plurality of second pipelines;

and the horizontal section is provided with a liquid storage tank which is sunken downwards, and the horizontal position of the liquid storage tank is lower than that of the second pipeline.

Furthermore, the second pipeline is of a horn-shaped structure and is provided with a narrow opening end and a wide opening end which are communicated oppositely, the narrow opening end is communicated with the first pipeline, and the wide opening end is communicated with the casting machine hopper.

Furthermore, the second pipeline is obliquely arranged from top to bottom, and the position of the narrow opening end of the second pipeline is higher than that of the wide opening end of the second pipeline.

Further, a liquid storage tank which is concave downwards is arranged at the narrow-mouth end of the second pipeline, and the width of the liquid storage tank is consistent with that of the narrow-mouth end.

Further, the pumping mechanism is a peristaltic pump.

The technical scheme of the invention has the following advantages:

1. according to the automatic diaphragm slurry adding device provided by the invention, the pumping mechanism conveys the slurry into the hopper of the casting machine through the pipeline, so that the automatic casting of the diaphragm slurry is realized; the feeding port of the hopper of the casting machine is opposite to the output port of the diaphragm, and the entering direction of the slurry is consistent with the casting direction of the casting machine and the casting direction of the slurry, so that strong impact between the slurry and the hopper of the casting machine is avoided, and stable casting of the slurry is facilitated; calculating the feeding speed of the pumping mechanism and the casting speed of the casting machine according to the fact that the quantity of the film formed by casting of the membrane in unit time is the same as the quantity of the film formed by entering the hopper by the pumping mechanism, and enabling the casting machine to realize continuous casting; the flow of the pumping mechanism and the slurry spreading over the hopper of the casting machine all need a certain time, and the time is related to the diameter and the length of the pipeline and the flow speed of the slurry, so that a correction coefficient is designed to make up the influence of the factors, and the casting machine achieves the effect of continuous casting.

2. According to the automatic diaphragm slurry adding device provided by the invention, the horizontal position of the second pipeline is lower than that of the first pipeline, the height difference increases the speed of slurry entering the hopper, and the casting efficiency is favorably improved.

3. According to the automatic diaphragm slurry adding device provided by the invention, the plurality of second pipelines are arranged along the width direction of the casting hopper, and after the liquid storage tank is fully paved with the slurry, the slurry uniformly enters each second pipeline, so that the liquid level in the casting hopper is stable and does not generate large transverse flow.

4. According to the automatic diaphragm slurry adding device provided by the invention, the second pipeline is arranged in a horn shape, and the wide-mouth end of the second pipeline is communicated with the hopper, so that slurry can be uniformly spread over the hopper, and the slurry is prevented from being accumulated in the middle of the hopper.

5. According to the automatic diaphragm slurry adding device provided by the invention, the second pipeline is obliquely arranged from top to bottom, so that the speed of slurry entering the hopper is increased, and the casting efficiency is favorably improved.

6. According to the automatic diaphragm slurry adding device provided by the invention, the peristaltic pump is selected, and the slurry only contacts the pump pipe and does not contact the pump body, so that the device is more sanitary and pollution-free; only the pump pipe is a part needing to be replaced, and the replacement operation is extremely simple; and in the absence of slurry, idling does not cause damage to any part of the pump.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural view of an automatic diaphragm slurry adding device provided in the present invention.

FIG. 2 is a schematic view of the connection between the feed pipe and the hopper of the casting machine.

Fig. 3 is a schematic structural view of a separator slurry automatic addition device provided in a first alternative embodiment.

Fig. 4 is a schematic view of the connection of the feed pipe to the hopper of the casting machine in a first alternative embodiment.

Fig. 5 is a schematic view of the connection of the feed pipe to the hopper of the casting machine in a second alternative embodiment.

Description of reference numerals:

1. a pumping mechanism; 2. a feed pipe; 3. a scraper; 4. a material storage box; 5. a casting machine hopper; 6. a first pipeline; 7. a transition pipeline; 8. a second pipeline; 9. a reservoir.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The automatic diaphragm paste adding device provided in this embodiment includes: the device comprises a pumping mechanism 1, and a feeding pipe 2 and a discharging pipe which are communicated with the pumping mechanism 1; wherein the direction of the arrows in the figure is the flow direction of the separator slurry.

As shown in fig. 1, the storage tank 4 has enough diaphragm slurry therein, and the diaphragm slurry is subjected to vacuum degassing treatment; peristaltic pump is selected for use as pumping mechanism 1, its entrance point through inlet pipe 2 with storage case 4 intercommunication, its exit through the discharging pipe with casting machine hopper 5 intercommunication. The casting machine hopper 5 is provided with a feeding hole, a diaphragm input port and a diaphragm output port, the diaphragm input port is positioned on the left side wall of the casting machine hopper 5, the diaphragm output port is positioned on the right side wall of the casting machine hopper 5 and is in opposite communication with the diaphragm input port, and the feeding hole is positioned on the left side wall of the casting machine hopper 5; the feed inlet and the diaphragm output port are oppositely arranged, the entering direction of the slurry is consistent with the casting direction of the casting machine and the casting direction of the slurry, so that strong impact does not exist between the slurry and the casting machine hopper 5, and stable casting of the slurry is facilitated.

As shown in fig. 1 and 2, the feeding pipe 2 communicating with the pumping mechanism 1 includes: first pipeline 6, transition pipeline 7 and second pipeline 8, first pipeline 6 and the equal horizontal setting of second pipeline 8, the horizontal position of first pipeline 6 is higher than the horizontal position of second pipeline 8, transition pipeline 7 sets up vertically, and communicates between first pipeline 6 and second pipeline 8. The second pipelines 8 are arranged in parallel and are distributed at equal intervals along the width direction of the casting machine hopper 5. The transition pipeline 7 is of a T-shaped structure and is provided with a horizontal section and a vertical section, one end of the vertical section is communicated with the first pipeline 6, and the other end of the vertical section is communicated with the horizontal section; the horizontal section of the transition pipeline 7 is provided with a plurality of through holes corresponding to the second pipelines 8 one by one, and the through holes are communicated with the second pipelines 8. A liquid storage tank 9 which is concave downwards is arranged on the horizontal section of the transition pipeline 7, the liquid storage tank 9 is of a semicircular structure, and the horizontal position of the liquid storage tank 9 is lower than that of the second pipeline 8; before entering each second pipeline 8, the diaphragm slurry firstly flows into the liquid storage tank 9, and after the liquid storage tank 9 is fully paved, the diaphragm slurry uniformly overflows into each second pipeline 8, so that the liquid level in the casting machine hopper 5 is stable and does not generate large transverse flow.

As an alternative embodiment, as shown in fig. 3 and 4, the second pipe 8 is a trumpet-shaped structure, and has a narrow end and a wide end which are communicated with each other, the narrow end is communicated with the first pipe 6, and the wide end is communicated with the casting machine hopper 5; the second pipeline 8 is obliquely arranged from top to bottom, and the position of the narrow opening end is higher than that of the wide opening end.

As another alternative embodiment, as shown in fig. 5, the second pipeline 8 is a trumpet-shaped structure, and has a narrow-mouth end and a wide-mouth end which are oppositely communicated, the narrow-mouth end is communicated with the first pipeline 6 through a transition pipe, the transition pipe 7 is a vertical pipe, and the wide-mouth end is communicated with the casting machine hopper 5; the narrow end of the second pipeline 8 is provided with a liquid storage tank 9 which is concave downwards, and the width of the liquid storage tank 9 is consistent with that of the narrow end.

Starting the pumping mechanism 1, and setting the feeding speed of the pumping mechanism to be V1; the diaphragm slurry passing through the pumping mechanism 1 sequentially enters a first pipeline 6, a transition pipeline 7, a second pipeline 8 and a casting machine hopper 5; when the diaphragm slurry is paved at the bottom of a hopper 5 of the casting machine and the depth of the slurry in the hopper is larger than the preset diaphragm thickness, the casting machine is started, the casting speed is set to be V2, and the diaphragm slurry passes through a scraper 3 and is dried along the direction of the casting machine; the length of the casting machine hopper 5 is L, and the thickness of the diaphragm is D. In order to ensure that the casting machine can realize continuous and stable casting, the amount of the casting film forming of the inner diaphragm in a unit is the same as the amount of the peristaltic pump entering the hopper, and the relationship between the feeding speed of the pumping mechanism 1 and the casting speed of the casting machine is as follows:the flow of the pumping mechanism 1 and the slurry spreading to the hopper 5 of the casting machine all need a certain time, and the time is related to the diameter and the length of the pipeline and the flow speed of the slurry, so that a correction coefficient K is designed to make up the influence of the factors, and the casting machine achieves the effect of continuous casting.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.