A protection system for avoiding material contamination in a filling bin

By installing first and second valves and observation components on the discharge pipe, the problem of powder leakage caused by material accumulation in the manufacturing of lithium-ion battery powder was solved, which improved the accuracy of the mixing ratio and the product quality, saved labor costs, and improved equipment efficiency.

CN224388698UActive Publication Date: 2026-06-23GEM WUXI ENERGY MATERIAL CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GEM WUXI ENERGY MATERIAL CO LTD
Filing Date
2025-07-23
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

During the manufacturing process of lithium-ion battery powder, materials tend to accumulate at the bottom of the silo discharge valve, forming hard lumps. This makes it difficult to completely close the discharge valve, resulting in powder leakage, which affects the accuracy of the blending ratio and product quality.

Method used

The discharge pipe is equipped with first and second valves at both ends. The second valve is connected to the high-speed mixer via a flexible connection and is equipped with an observation component to observe the material accumulation. This ensures that the discharge pipe remains closed when the first valve cannot be fully closed. The control component and flexible connection facilitate cleaning and prevent material from entering the high-speed mixer.

Benefits of technology

To ensure the accuracy of blending and mixing ratios, improve product quality, save labor costs, increase work efficiency, guarantee equipment uptime, and prevent material contamination of normal products.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the field of lithium-ion battery powder manufacturing technology, and discloses a protective system to avoid material contamination in the filling silo. The system includes: a discharge pipe, one end of which is connected to an external silo via a first valve, and the other end of which is equipped with a second valve; the discharge end of the second valve is equipped with a flexible connection for connecting to the inlet of a high-speed mixer; the first valve is positioned higher than the second valve; and an observation component, installed on and connected to the discharge pipe, for observing whether material has fallen into the second valve. This system addresses the problem that when material is discharged from the silo, it easily accumulates at the discharge valve at the bottom of the silo, making it difficult to completely close. During mixing, material leakage from the discharge valve leads to inaccurate proportions and affects product quality.
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Description

Technical Field

[0001] This utility model relates to the field of lithium-ion battery powder manufacturing technology, specifically to a protective system for preventing contamination of filling silos. Background Technology

[0002] In the field of lithium-ion battery powder manufacturing, blending and proportioning is one of the most crucial processes. Related technologies include... Figure 1 As shown, the bottom of the silo 4 is usually connected to the discharge port of the high-temperature mixer through the feed pipe 11 to transport materials. At the same time, the discharge valve 12 is set on the feed pipe 11 to control the flow of materials. During the production of high nickel, due to the problem of lithium salt raw materials, when the material is discharged from the silo 4, it is easy to accumulate at the discharge valve 12 at the bottom of the silo 4. After being squeezed by the cylinder, it forms a hard block, which makes it difficult for the discharge valve 12 to be completely closed. During the mixing, the material leaks powder at the discharge valve 12, resulting in inaccurate proportions and affecting product quality. Utility Model Content

[0003] In view of this, the present invention provides a protective system to avoid contamination of filling silos by materials, in order to solve the problem that when materials are discharged from the silo, they tend to accumulate at the bottom of the silo discharge valve, making it difficult to completely close the discharge valve. During mixing, material leakage occurs at the discharge valve, resulting in inaccurate proportions and affecting product quality.

[0004] In a first aspect, this utility model provides a protective system to prevent contamination of filling silos by materials, comprising:

[0005] The discharge pipe has a first valve at one end connected to an external silo, and a second valve at the other end. The discharge end of the second valve is equipped with a flexible connection for connecting to the feed inlet of the high-speed mixer. The first valve is positioned higher than the second valve.

[0006] An observation component is installed on the discharge pipe and communicates with the discharge pipe to observe whether any material falls into the second valve.

[0007] In one alternative embodiment, the observation assembly includes a chute and a sight glass; one end of the chute is connected to the discharge pipe, and the other end is detachably connected to the sight glass.

[0008] In one alternative embodiment, the observation assembly further includes an illumination element disposed on the sight glass for illuminating the discharge pipe.

[0009] In one optional embodiment, the lighting element includes a lighting lamp, a mounting base, and a fixing base. The fixing base is fixedly connected to the sight glass, the mounting base is hinged to the fixing base, and the lighting lamp is disposed on the mounting base.

[0010] In one alternative embodiment, the observation assembly further includes a scraper and a handle. The scraper is rotatably connected to the inner side of the sight glass and is fitted against the glass window of the sight glass. The handle is located on the outer side of the sight glass and is connected to the scraper for driving the scraper to rotate.

[0011] In one alternative implementation, the second valve is a butterfly valve.

[0012] In one optional embodiment, the discharge pipe includes a first pipe body and a second pipe body connected sequentially along the discharge direction, the first pipe body and the second pipe body being arranged at a predetermined angle; the first valve is disposed in the first pipe body, and the second valve is disposed in the second pipe body; the second pipe body is arranged in a vertical direction, and the observation component is disposed on the first pipe body.

[0013] In one alternative embodiment, the first tube and the second tube are integrally formed.

[0014] In an alternative implementation, a control component is further included, which is communicatively connected to the first valve and the second valve.

[0015] In one optional embodiment, the two ends of the discharge pipe are respectively connected to the flanges of the first valve and the second valve.

[0016] The technical solution of this utility model has the following advantages:

[0017] 1. This utility model, by setting a first valve and a second valve on the discharge pipe, ensures that even if the first valve cannot be completely closed, the discharge pipe can still be kept closed by the second valve, preventing material leakage from the first valve from flowing directly into the high-speed mixer, ensuring accurate proportioning during blending, and improving product quality.

[0018] 2. This utility model provides an observation component on the discharge pipe to observe whether there is material on the second valve so that it can be dealt with in a timely manner, ensuring that no abnormal material falls into the high-speed mixer and contaminates the normal products.

[0019] 3. This utility model connects to the feed inlet of the high-speed mixer via a flexible connection at the second valve, which facilitates disassembly and installation. Abnormal materials can be discharged and the first and second valves can be cleaned simply by connecting the flexible connection. This is convenient, quick, saves labor costs, improves work efficiency, and ensures equipment uptime. Attached Figure Description

[0020] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0021] Figure 1 The accompanying diagram is for the background technology.

[0022] Figure 2 This is a schematic diagram of the structure of the protective system for preventing contamination of filling silos according to an embodiment of the present invention;

[0023] Figure 3 This is a schematic diagram of the observation component of this utility model from a first viewing angle;

[0024] Figure 4 This is a schematic diagram of the observation component from a second perspective in an embodiment of the present invention;

[0025] Figure 5 This is a schematic diagram of the observation component from a third perspective in an embodiment of the present invention;

[0026] Figure 6 This is a schematic diagram of the discharge pipe of this utility model from a fourth perspective.

[0027] Figure 7 This is a schematic diagram of the discharge pipe of this utility model from a fifth perspective.

[0028] Figure 8 This is a schematic diagram of the discharge pipe of this utility model from a sixth perspective.

[0029] Figure 9 This is a schematic diagram of the discharge pipe from the seventh perspective of an embodiment of the present invention.

[0030] Explanation of reference numerals in the attached figures:

[0031] 1. Discharge pipe; 101. First pipe body; 102. Second pipe body; 2. Discharge valve; 3. First valve; 4. Hopper; 5. Second valve; 6. Flexible connection; 7. Chute; 8. Sight glass; 9. Lighting components; 901. Lighting lamp; 902. Mounting base; 903. Fixing base; 10. Handle; 11. Feed pipe. Detailed Implementation

[0032] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0033] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0035] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0036] The following is combined Figures 2 to 9 The following describes embodiments of the present invention.

[0037] According to an embodiment of this utility model, a protective system for preventing contamination of filling silos is provided, comprising: a discharge pipe 1, one end of which is connected to an external silo 4 via a first valve 3, and the other end of which is provided with a second valve 5; the discharge end of the second valve 5 is provided with a flexible connection 6 for connecting to the feed inlet of a high-speed mixer via the flexible connection 6; the first valve 3 is positioned higher than the second valve 5; and an observation component is provided on the discharge pipe 1 and connected to the discharge pipe 1 for observing whether any material falls into the second valve 5.

[0038] In this embodiment, the discharge pipe 1 is connected to the external silo 4 and the high-speed mixer at both ends via the first valve 3 and the second valve 5, respectively, to facilitate the conveying of materials from the external silo 4 to the high-speed mixer. Before conveying materials, an observation component can be used to check whether any material falls onto the second valve 5. If there is no material on the second valve 5, it indicates that the first valve 3 is not leaking, and both the first valve 3 and the second valve 5 are opened simultaneously to convey materials to the high-speed mixer. If there is material on the second valve 5, it indicates that the first valve 3 is leaking and there is abnormal material. In this case, the flexible connection 6 is disconnected, and an external receiving device, such as a ton bag, is connected to the second valve 5. The first valve 3 and the second valve 5 are then opened to discharge the material, and the non-abnormal items are marked. After manual cleaning of the first valve 3 and the second valve 5, the equipment can be put back into use. By setting the second valve 5, it is ensured that the discharge pipe 1 remains closed even when the first valve 3 cannot be fully closed, preventing material leakage from the first valve 3 from flowing directly into the high-speed mixer. The observation component is used to monitor whether there is any material on the second valve 5 so that it can be dealt with in a timely manner, ensuring that no abnormal material falls into the high-speed mixer and contaminates the normal product, ensuring accurate proportions during blending, and improving product quality. At the same time, the flexible connection 6 facilitates disassembly and installation. Abnormal material can be discharged and the first valve 3 and the second valve 5 can be cleaned at the flexible connection 6, which is convenient, quick, saves labor costs, improves work efficiency, and ensures equipment uptime.

[0039] In one embodiment, such as Figure 2 and Figure 7 As shown, the observation assembly includes a chute 7 and a sight glass 8; one end of the chute 7 is connected to the discharge pipe 1, and the other end is detachably connected to the sight glass 8.

[0040] It should be noted that the projection of the chute 7 onto the second valve 5 in its axial direction.

[0041] In this embodiment, a chute 7 is connected to the discharge pipe 1, and a sight glass 8 is installed on the chute 7 so that the second valve 5 can be observed through the sight glass 8. The sight glass 8 and the chute 7 are detachably connected for easy maintenance.

[0042] In one embodiment, such as Figures 3 to 5 As shown, the observation assembly also includes an illumination element 9, which is disposed on the sight glass 8 and is used to illuminate the discharge pipe 1.

[0043] In this embodiment, by setting up an illumination element 9 to illuminate the discharge pipe 1, it is easier to clearly observe the condition of the second valve 5 and improve the judgment ability.

[0044] In one embodiment, such as Figures 3 to 5As shown, the lighting component 9 includes a lighting lamp 901, a mounting base 902, and a fixing base 903. The fixing base 903 is fixedly connected to the sight glass 8, and the mounting base 902 is hinged to the fixing base 903. The lighting lamp 901 is mounted on the mounting base 902.

[0045] In this embodiment, the lighting lamp 901 is hinged to the fixed base 903 via the mounting base 902, which facilitates the adjustment of the angle of the lighting lamp 901 to clearly observe whether there is material on the second valve 5, thereby improving the observation effect.

[0046] In one embodiment, such as Figures 3 to 5 As shown, the observation assembly also includes a scraper and a handle 10. The scraper is rotatably connected to the inside of the sight glass 8 and is fitted against the glass window of the sight glass 8. The handle 10 is located on the outside of the sight glass 8 and is connected to the scraper for driving the scraper to rotate.

[0047] In this embodiment, a scraper is provided on the inner side of the viewing mirror 8, and the scraper is driven to rotate against the glass window by the handle 10, so that the material can be scraped and cleaned when it accumulates on the glass window, thus ensuring the observation effect.

[0048] Specifically, one end of the handle 10 passes through the glass window and is connected to the rotation axis of the scraper.

[0049] In one embodiment, such as Figure 2 As shown, the second valve 5 is a butterfly valve.

[0050] In this embodiment, the second valve 5 is a butterfly valve, which is convenient for maintenance and operation.

[0051] Specifically, the second valve 5 is a pneumatic butterfly valve, which is convenient for automated control and saves time and effort.

[0052] In one embodiment, such as Figures 6 to 9 As shown, the discharge pipe 1 includes a first pipe body 101 and a second pipe body 102 connected sequentially along the discharge direction. The first pipe body 101 and the second pipe body 102 are set at a preset angle. A first valve 3 is set in the first pipe body 101 and a second valve 5 is set in the second pipe body 102. The second pipe body 102 is set in the vertical direction, and the observation component is set on the first pipe body 101.

[0053] In this embodiment, the discharge pipe 1 is composed of a first pipe body 101 and a second pipe body 102 at a preset angle. Preferably, the angle is 150 degrees, so that when the observation component is installed on the first pipe body 101, the observation component is aligned with the second valve 5 on the second pipe body 102, which facilitates the observation of the second pipe body 102.

[0054] Specifically, such as Figure 2 and Figure 7As shown, the chute 7 is disposed on the first pipe body 101 and above the second pipe body 102. The center line of the chute 7 and the center line of the second pipe body 102 are set at a predetermined angle. Preferably, the angle between the center line of the chute 7 and the center line of the second pipe body 102 is 30 degrees.

[0055] Specifically, the first valve 3 can be a pneumatic butterfly valve or other existing electrically controlled valves, depending on the actual needs.

[0056] Specifically, the soft connection 6 can be an existing conventional soft connection 6.

[0057] Specifically, the feed inlet of the high-speed mixer is connected to the flexible connection 6 via a pipe.

[0058] In one embodiment, such as Figure 6 As shown, the first tube body 101 and the second tube body 102 are integrally formed.

[0059] In this embodiment, the first tube 101 and the second tube 102 are integrally formed to improve structural strength.

[0060] Specifically, such as Figure 6 As shown, the first tube 101, the second tube 102, and the chute 7 are integrally formed to improve structural strength.

[0061] In one embodiment, the protection system for preventing contamination of the filling silo material further includes a control component, which is communicatively connected to the first valve 3 and the second valve 5.

[0062] In this embodiment, the first valve 3 and the second valve 5 are automatically controlled by a control component, which saves time and effort and improves production efficiency.

[0063] In one embodiment, the two ends of the discharge pipe 1 are respectively connected to the flanges of the first valve 3 and the second valve 5.

[0064] In this embodiment, the two ends of the discharge pipe 1 are respectively connected to the flanges of the first valve 3 and the second valve 5 to improve the connection strength and stability.

[0065] The specific working principle of the protective system for preventing contamination of filling silos provided in this embodiment is as follows: Before conveying materials, the second valve 5 can be illuminated by the lighting lamp 901, and it can be observed through the glass window on the sight glass 8 whether any material has fallen onto the second valve 5. If there is no material on the second valve 5, it indicates that the first valve 3 is not leaking. Then, the control component controls the first valve 3 and the second valve 5 to open and convey the material to the high-speed mixer. If there is material on the second valve 5, it indicates that the first valve 3 is leaking and there is abnormal material. Then, the flexible connection 6 is disconnected, and an external receiving device, such as a ton bag, is connected to the second valve 5. The first valve 3 and the second valve 5 are opened to discharge the material, and the non-abnormal products are marked. At the same time, the first valve 3 and the second valve 5 are cleaned manually and then put back into use. If the sight glass 8 is blurry, it can be driven by the handle 10. The rotating scraper cleans the glass window on the sight glass 8, improving clarity. A second valve 5 ensures that the discharge pipe 1 remains closed even when the first valve 3 cannot be fully closed. This, combined with an observation component, allows for timely monitoring of the second valve 5 to identify and address any material buildup, preventing abnormal material from contaminating the high-performance mixer and improving product quality. Furthermore, a flexible connection 6 allows for easy and quick removal of abnormal material and cleaning of both the first and second valves 3 and 5, saving labor costs, increasing efficiency, and ensuring equipment uptime. This addresses the issue of material accumulating at the bottom of the silo 4 discharge valve 2, making it difficult to close completely and causing powder leakage during mixing, leading to inaccurate proportions and affecting product quality.

[0066] Although embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A protective system for preventing contamination of filling silos by materials, characterized in that, include: The discharge pipe (1) is connected to the external silo (4) at one end through the first valve (3) and the other end is provided with a second valve (5); the discharge end of the second valve (5) is provided with a flexible connection (6) for connecting to the feed port of the high-speed mixer through the flexible connection (6); the position of the first valve (3) is higher than the position of the second valve (5); An observation component is installed on the discharge pipe (1) and connected to the discharge pipe (1) to observe whether any material falls into the second valve (5).

2. The protective system for preventing contamination of filling silo materials according to claim 1, characterized in that, The observation assembly includes a chute (7) and a sight glass (8); one end of the chute (7) is connected to the discharge pipe (1), and the other end is detachably connected to the sight glass (8).

3. The protective system for preventing contamination of filling silos according to claim 2, characterized in that, The observation assembly also includes an illumination element (9), which is disposed on the sight glass (8) and is used to illuminate the discharge pipe (1).

4. The protective system for preventing contamination of filling silo materials according to claim 3, characterized in that, The lighting component (9) includes a lighting lamp (901), a mounting base (902) and a fixing base (903). The fixing base (903) is fixedly connected to the viewing mirror (8). The mounting base (902) is hinged to the fixing base (903). The lighting lamp (901) is disposed on the mounting base (902).

5. The protective system for preventing contamination of filling silo materials according to claim 2, characterized in that, The observation assembly also includes a scraper and a handle (10). The scraper is rotatably connected to the inside of the sight glass (8) and is fitted against the glass window of the sight glass (8). The handle (10) is located on the outside of the sight glass (8) and is connected to the scraper for driving the scraper to rotate.

6. The protective system for preventing contamination of filling silos according to claim 1, characterized in that, The second valve (5) is a butterfly valve.

7. The protective system for preventing contamination of filling silo materials according to any one of claims 1 to 6, characterized in that, The discharge pipe (1) includes a first pipe body (101) and a second pipe body (102) connected sequentially along the discharge direction. The first pipe body (101) and the second pipe body (102) are set at a preset angle. The first valve (3) is set on the first pipe body (101), and the second valve (5) is set on the second pipe body (102). The second pipe body (102) is set in a vertical direction, and the observation component is set on the first pipe body (101).

8. The protective system for preventing contamination of filling silo materials according to claim 7, characterized in that, The first tube body (101) and the second tube body (102) are integrally formed.

9. The protective system for preventing contamination of filling silos according to claim 1, characterized in that, It also includes a control component that is communicatively connected to the first valve (3) and the second valve (5).

10. The protective system for preventing contamination of filling silo materials according to claim 1, characterized in that, The two ends of the discharge pipe (1) are respectively connected to the flanges of the first valve (3) and the second valve (5).