Acid liquor filtering device

Abstract

The utility model discloses an acid liquor filtering device which comprises an acid conveying pipeline and a filter, one side of the acid conveying pipeline is provided with a connector, the connector is obliquely arranged, the connector is communicated with the acid conveying pipeline, the filter is matched with the connector, the filter is obliquely arranged relative to the acid conveying pipeline, one end of the filter extends into the acid conveying pipeline, and the other end of the filter is communicated with the acid conveying pipeline. And the other end is positioned outside the acid conveying pipeline. The filter is arranged on the acid conveying pipeline, and one end of the filter extends into the acid conveying pipeline, so that when prepared sulfuric acid passes through the acid conveying pipeline, impurities can be filtered through the filter, the impurities are left in the filter, and the sulfuric acid directly enters the acid filling machine through the acid conveying pipeline, so that the impurities are prevented from entering the acid filling machine; corresponding pipelines of the acid filling machine are prevented from being blocked, normal acid filling of the acid filling machine is guaranteed, the acid filling amount of the battery is guaranteed, and then the performance of the battery is guaranteed.

Description

An acid filtration device Technical Field

[0001] This utility model relates to the field of automotive battery production technology, and in particular to an acid filtration device. Background Technology

[0002] Because the density of sulfuric acid used during acid injection varies depending on the battery model and requirements, it is necessary to prepare the sulfuric acid before injection. The prepared sulfuric acid is then transported to the acid injection machine through an acid delivery pipeline to complete the acid injection into the battery. However, impurities may be introduced during the sulfuric acid transportation process, which could potentially clog the acid injection pipeline of the acid injection machine.

[0003] The current acid injection process involves directly conveying sulfuric acid through a pipeline. Impurities in the pipeline can only be cleaned during routine inspections. However, if foreign objects temporarily appear in the pipeline, they may clog the acid injection machine, resulting in insufficient injection volume and affecting battery performance. Summary of the Invention

[0004] The purpose of this invention is to provide an acid filtration device that can solve at least one of the above problems.

[0005] According to one aspect of the present invention, an acid filtration device is provided, including an acid delivery pipe and a filter. A connector is provided on one side of the acid delivery pipe. The connector is inclined and connected to the acid delivery pipe. The filter is engaged with the connector and is inclined relative to the acid delivery pipe. One end of the filter extends into the acid delivery pipe, and the other end is located outside the acid delivery pipe.

[0006] The beneficial effects of this utility model are as follows: By installing a filter on the acid delivery pipeline, with one end of the filter extending into the acid delivery pipeline, when the prepared sulfuric acid passes through the acid delivery pipeline, impurities can be filtered through the filter and remain in the filter, while the sulfuric acid directly enters the acid injection machine through the acid delivery pipeline. This avoids impurities entering the acid injection machine, prevents the corresponding pipelines of the acid injection machine from being blocked, ensures the normal acid injection of the acid injection machine, ensures the acid injection amount of the battery, and thus ensures the performance of the battery.

[0007] In some embodiments, the filter includes a housing, a filter screen, and a rear cover. The housing has a hollow structure, and the filter screen is fitted inside the housing. The side wall of the housing has multiple through holes. One end of the housing is located inside the rear cover, and the other end extends out of the rear cover. The rear cover is located outside the acid delivery pipeline. Thus, the filter screen can effectively filter impurities in the acid flowing through the filter; the through holes in the side wall of the housing ensure the normal flow of the acid while filtering out impurities, ensuring the filtration effect.

[0008] In some embodiments, the rear cover has a first internal thread, and the connector has a first external thread on its outer side. The rear cover and the connector engage with the second external thread through the first internal thread. This facilitates the fixing of the entire filter to the connector via the rear cover thread, making the installation and removal of the entire filter convenient.

[0009] In some embodiments, the outer side of the housing is provided with a second external thread, and the bottom of the inner wall of the rear cover protrudes, with a second internal thread at the protrusion. The housing and the rear cover are engaged by the second external thread and the second internal thread. Thus, the rear cover and the housing are engaged by threads, which facilitates the disassembly of the rear cover, allows for timely cleaning of impurities in the filter after filtration, and facilitates the replacement of the filter screen.

[0010] In some embodiments, the acid delivery pipeline has interfaces at both ends, is vertically positioned, and the top of the filter is located inside the pipeline. Therefore, by providing interfaces, the two ends of the acid delivery pipeline can be easily connected to normal infusion pipelines.

[0011] In some embodiments, the bottom of the back cover is arc-shaped. This allows for a gap between the bottom of the back cover and the bottom of the housing, facilitating the accumulation of impurities and subsequent cleaning. Attached Figure Description

[0012] Figure 1 is a schematic front view of an acid filtration device according to the present invention.

[0013] Figure 2 is a schematic diagram of the structure of the shell and the rear cover in an acid filtration device of this utility model;

[0014] Figure 3 is a schematic diagram of the structure of the housing and filter screen in an acid filtration device according to the present invention.

[0015] Figure 4 is a structural schematic diagram of an acid filtration device of this utility model in use. Detailed Implementation

[0016] The present invention will now be described in further detail with reference to the accompanying drawings.

[0017] Referring to Figures 1 to 3, an acid filtration device includes an acid delivery pipe 1 and a filter 2. A connector 11 is provided on one side of the acid delivery pipe 1, and the connector 11 is inclined and connected to the acid delivery pipe 1. The filter 2 cooperates with the connector 11 and is inclined relative to the acid delivery pipe 1. One end of the filter 2 extends into the acid delivery pipe 1, and the other end is located outside the acid delivery pipe 1. The connector 11 is a tubular structure and is integrally injection molded with the acid delivery pipe 1.

[0018] As shown in Figures 1 to 4, in actual use, the acid delivery pipeline 1 is installed near the acid tank 3 of the existing infusion pipeline 4. To facilitate the connection of both ends of the acid delivery pipeline 1 to the original infusion pipeline, interfaces 12 are integrally formed at both ends of the acid delivery pipeline 1. The inner diameter of the interface 12 is the same as the outer diameter of the original infusion pipeline 4, which facilitates the installation of the acid delivery pipeline 1 after making a notch at the corresponding position in the original infusion pipeline 4. The corresponding ends of the original infusion pipeline 4 are fitted into the corresponding interfaces 12 to meet the normal delivery of acid.

[0019] The prepared acid solution flows out of the acid storage tank 5, then through the infusion pipeline 4 and the acid delivery pipeline 1, and enters the acid cylinder 3. After passing through the acid cylinder 3, it flows to the acid injection machine 6, where the battery is injected with acid. When the acid solution passes through the infusion pipeline 4, it needs to pass through the acid solution filtration device, so impurities in the acid solution can be filtered out by the filter 2.

[0020] Because filter 2 is tilted, it can be ensured that the acid can flow normally when it flows through filter 2, and impurities in the acid are filtered through filter 2 and will not continue to flow into acid tank 3.

[0021] The filter 2 includes a housing 21, a filter screen 22, and a rear cover 23. The housing 21 has a hollow structure, and the filter screen 22 is fitted inside the housing 21. Multiple through holes 211 are provided on the side wall of the housing 21. One end of the housing 21 is located inside the rear cover 23, and the other end extends out of the rear cover 23. The rear cover 23 is located outside the acid transport pipeline 1. Thus, impurities in the acid solution can be filtered through the filter screen 22. The filter screen 22 can be fitted into the housing 21 from either end, facilitating installation. Furthermore, after a certain period of use, the filter screen 22 can be replaced and cleaned to ensure normal acid transport.

[0022] The rear cover 23 has a first internal thread, and the connector 11 has a first external thread on its outer side. The rear cover 23 and the connector 11 are engaged by the first internal thread and the second external thread.

[0023] Therefore, when the filter 2 needs to be installed on the acid delivery pipeline 1, the other end of the housing 21 is inserted into the connector 11 and extends into the acid delivery pipeline 1. As the housing 21 gradually extends in, the first internal thread of the rear cover 23 gradually moves to the first external thread on the outside of the connector 11. At this time, rotating the rear cover 23 can fix the rear cover 23 to the connector 11, thus achieving the installation and fixation of the entire filter 2 on the acid delivery pipeline 1. The connector 11 is located inside the rear cover 23. Similarly, when the filter 2 needs to be removed from the acid delivery pipeline 1, the rear cover 23 is rotated in the opposite direction to unscrew it.

[0024] The outer side of the housing 21 is formed with a second external thread, and the bottom of the inner wall of the rear cover 23 has a protrusion 231 with a second internal thread. The housing 21 and the rear cover 23 are engaged by the second external thread and the second internal thread. The protrusion 231 and the rear cover 23 are integrally formed, and the inner diameter of the protrusion 231 is smaller than the inner diameter of the rear cover 23. The second internal thread on the protrusion 231 facilitates the rotational engagement of the second external thread of the housing 21 with the second internal thread. Therefore, the housing 21 can be easily fixed inside the rear cover 23 by the thread. Similarly, when the impurities filtered by the filter screen 22 need to be cleaned, or when the filter screen 22 needs to be replaced, the rear cover 23 can be easily separated from the housing 21 by unscrewing it.

[0025] The acid delivery pipeline 1 is installed vertically, and the top of the filter 2 is located inside the acid delivery pipeline 1. This allows the filter 2 to easily filter impurities in the acid solution.

[0026] The bottom of the back cover 23 is arc-shaped. Therefore, there is a certain distance between the arc-shaped bottom of the back cover 23 and the housing 21, which facilitates the accumulation of filtered impurities and makes it easy to remove the impurities after the back cover 23 is unscrewed.

[0027] The above are merely preferred embodiments of this utility model. It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of this utility model, and these all fall within the protection scope of this utility model.

Claims

1. An acid filtration device, characterized in that, It includes an acid conveying pipe (1) and a filter (2). A connector (11) is provided on one side of the acid conveying pipe (1). The connector (11) is inclined and connected to the acid conveying pipe (1). The filter (2) is engaged with the connector (11). The filter (2) is inclined relative to the acid conveying pipe (1). One end of the filter (2) extends into the acid conveying pipe (1), and the other end is located outside the acid conveying pipe (1).

2. The acid filtration device according to claim 1, characterized in that, The filter (2) includes a housing (21), a filter screen (22) and a rear cover (23). The housing (21) is a hollow structure. The filter screen (22) is fitted inside the housing (21). The side wall of the housing (21) is provided with multiple through holes (211). One end of the housing (21) is located inside the rear cover (23), and the other end extends out of the rear cover (23). The rear cover (23) is located outside the acid transport pipeline (1).

3. The acid filtration device according to claim 2, characterized in that, The rear cover (23) is provided with a first internal thread, and the outer side of the connector (11) is provided with a first external thread. The rear cover (23) and the connector (11) are engaged by the first internal thread and the second external thread.

4. The acid filtration device according to claim 3, characterized in that, The outer side of the housing (21) is provided with a second external thread, and the bottom of the inner wall of the rear cover (23) has a protrusion (231). The protrusion (231) is provided with a second internal thread, and the housing (21) and the rear cover (23) are engaged by the second external thread and the second internal thread.

5. An acid filtration device according to any one of claims 1 to 4, characterized in that, Both ends of the acid delivery pipe (1) are provided with interfaces (12). The acid delivery pipe (1) is set vertically, and the top of the filter (2) is located inside the acid delivery pipe (1).

6. An acid filtration device according to any one of claims 2 to 4, characterized in that, The bottom of the rear cover (23) is arc-shaped.

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