Abrasion improving device for flow-aiding gas butterfly of stock bin

Abstract

The utility model provides a stock bin flow-aiding gas butterfly abrasion improving device, and relates to the technical field of stock bin equipment in the lithium battery powder industry, a blanking barrel body is of a hollow structure, a blanking conical hopper is connected with the bottom end of the blanking barrel body, the blanking conical hopper is of a conical hollow structure, a plurality of flow-aiding gas butterfly are arranged on the inner wall of the blanking conical hopper, and the flow-aiding gas butterfly is connected with the blanking barrel body. A non-metal wear-resisting piece is arranged between the inner wall of the discharging cone hopper and the flow-aiding air disc, an air pipe connector is arranged at the end of the flow-aiding air disc, the air pipe connector penetrates through the wall body of the discharging cone hopper and extends into the discharging cone hopper, the flow-aiding air disc comprises a soft disc, and the non-metal wear-resisting piece is arranged between the flow-aiding air disc and the inner wall of the discharging cone hopper. By matching with the design of a plurality of flow-aiding air butterfly and umbrella-shaped soft discs which are arranged at equal intervals along the circumference, the metal inner wall abrasion caused by long-term scouring of an air source is effectively avoided, metal foreign matters are prevented from being mixed into materials, the material cleanliness is improved, meanwhile, the service life of equipment is prolonged, the air flow distribution is uniform, and the arch breaking and loosening effects are excellent; and the problems of blockage and bridging of materials with poor flowability can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of silo equipment in lithium battery powder industry, especially relates to a silo flow-aiding air disc abrasion improvement device. BACKGROUND

[0002] At present, in the lithium battery positive electrode powder industry, due to the material characteristics, the material frequently occurs the plugging / bridging phenomenon at the bottom cone of the silo, and when the powder material with poor fluidity is discharged, the plugging / bridging phenomenon and the conveying blockage phenomenon are prone to occur, and the bottom cone of the silo wall is abraded by increasing the air disc or air vibration form for auxiliary discharge after a long time of air source flushing / cavitation, metal foreign matters enter the raw materials, and the cleanliness of the incoming materials cannot be guaranteed. SUMMARY

[0003] The utility model discloses a silo flow-aiding air disc abrasion improvement device to solve the problem of easy abrasion and material pollution of the silo flow-aiding air disc in the prior art.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a silo flow-aiding air disc abrasion improvement device, which comprises a discharging barrel body and a discharging cone, the discharging barrel body is a hollow structure, the discharging cone is connected with the bottom end of the discharging barrel body, and the discharging cone is a conical hollow structure, a plurality of flow-aiding air discs are arranged on the inner wall of the discharging cone, a non-metallic wear-resistant sheet is arranged between the inner wall of the discharging cone and the flow-aiding air disc, the non-metallic wear-resistant sheet abuts against the inner wall of the discharging cone, an air pipe joint is arranged at the end of the flow-aiding air disc, the air pipe joint is communicated with an external air source, the air pipe joint penetrates through the wall of the discharging cone and extends to the inside of the discharging cone, and the flow-aiding air disc comprises a soft disc, and the soft disc is located at the air outlet end of the flow-aiding air disc.

[0005] Preferably, the non-metallic wear-resistant sheet is a single-layer structure, the planar size of the non-metallic wear-resistant sheet is greater than the size of the cone of the air outlet opening of the flow-aiding air disc, and the non-metallic wear-resistant sheet covers the air outlet opening of the flow-aiding air disc.

[0006] Preferably, the plurality of flow-aiding air discs are arranged at equal intervals along the circumferential direction of the inner wall of the discharging cone, and the air outlet end of each flow-aiding air disc faces the central axis of the discharging cone.

[0007] Preferably, the cross-sectional shape of the non-metallic wear-resistant sheet is a square cone, the inner surface of the non-metallic wear-resistant sheet is matched with the shape of the inner wall of the discharging cone, and the non-metallic wear-resistant sheet is tightly attached to the inner wall of the discharging cone through the edge.

[0008] Preferably, the soft disc is in the shape of an umbrella, comprising a circular bottom surface and a conical side wall, and the open end of the conical side wall faces the inner wall of the discharging cone, and the circular bottom surface of the soft disc is connected with the gas outlet end of the gas pipe joint.

[0009] Preferably, a gap is arranged between the conical side wall of the soft disc and the inner surface of the non-metal wear-resistant sheet, and the width of the gap ranges from 0.5 mm to 2 mm, the thickness of the non-metal wear-resistant sheet ranges from 2 mm to 5 mm, and the material of the non-metal wear-resistant sheet is selected from one of polytetrafluoroethylene, polyurethane or ceramic.

[0010] Preferably, a sealing washer is arranged at the end of the gas pipe joint close to the discharging cone, a flat washer is arranged on the surface of the sealing washer, a locking hexagonal nut is arranged on the surface of the flat washer, and the locking hexagonal nut is threadedly connected with the gas pipe joint.

[0011] Beneficial effects

[0012] In the utility model, the non-metal wear-resistant sheet is arranged between the flow-aiding air disc and the inner wall of the discharging cone, and is matched with the plurality of flow-aiding air discs and the umbrella-shaped soft disc arranged at equal intervals along the circumference, so that the metal inner wall abrasion caused by long-term scouring of the gas source is effectively avoided, metal foreign matters are prevented from mixing into the material, the material cleanliness is improved, the service life of the equipment is prolonged, the airflow is uniformly distributed, the arch breaking and loosening effect is excellent, the material blocking and bridging problems of poor flowability material can be solved, the material of the non-metal wear-resistant sheet can be selected from polytetrafluoroethylene, polyurethane or ceramic, the thickness adaptability is strong, the performance can be maintained by only regular replacement, the installation and maintenance are simple, the operation cost is reduced, and the utility model is suitable for a variety of high-cleanliness material conveying scenes. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a discharging cone assembly schematic view of the utility model;

[0014] Fig. 2 It is a formal schematic view of the utility model;

[0015] Fig. 3 It is a soft disc and gas pipe joint connecting structure view of the utility model.

[0016] LEGEND:

[0017] 1, discharging cone; 2, soft disc; 3, non-metal wear-resistant sheet; 4, sealing washer; 5, gas pipe joint; 6, locking hexagonal nut; 7, flat washer; 8, flow-aiding air disc; 9, discharging cylinder; 10, discharging cone. DETAILED DESCRIPTION

[0018] In order to make the technical means, creation characteristics, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0019] The specific embodiments of the utility model are described below in combination with the drawings. Embodiment one:

[0021] Reference Figs. 1-3The utility model provides a kind of silo flow gas butterfly wear improvement device, including discharge barrel and discharge cone, the discharge barrel is hollow structure, the discharge cone is connected with the bottom end of discharge barrel, and the discharge cone is conical hollow structure, the inner wall of the discharge cone is provided with multiple flow gas butterflies, the inner wall of the discharge cone is equipped with non-metallic wear plate between flow gas butterfly, and non-metallic wear plate is in contact with the inner wall of the discharge cone, the end of flow gas butterfly is equipped with gas pipe joint, and gas pipe joint is communicated with external gas source, gas pipe joint penetrates the wall of discharge cone and extends to the inside of discharge cone, the flow gas butterfly includes floppy disc, and floppy disc is located at the air outlet end of flow gas butterfly, discharge barrel is used as the upper storage container of device, for accommodating material to be discharged, the hollow structure of discharge barrel provides storage space for material, material flows down to discharge cone by gravity naturally, after material enters discharge barrel from outside, gradually moves to bottom by its own gravity, provides continuous material supply for subsequent discharging process, hollow structure design is simple, ensure that material is smoothly transferred to discharge cone, suitable for the storage requirement of multiple powder materials, discharge cone is used as the lower extension of discharge barrel, guide material concentrates and discharges downward, conical hollow structure makes material gather to the bottom of cone under the action of gravity, facilitate centralized discharge, simultaneously provide installation base for flow gas butterfly, after material enters discharge cone from discharge barrel, is gradually flowed to bottom by the restriction of conical structure, cooperate the effect of flow gas butterfly to realize smooth discharging, conical design optimizes material flow path, reduces material retention, enhances discharging efficiency, flow gas butterfly is jetted by airflow, auxiliary material flow, prevent bridging and arching, multiple flow gas butterflies are installed on the inner wall of discharge cone, utilize the airflow input by gas pipe joint, and are jetted to material surface by floppy disc, loosen material, after gas source input, flow gas butterfly directs airflow to material accumulation area, destroys the cohesive force between material, pushes material to flow down, effectively solve the plugging problem of poor flowability material, improve the continuity and stability of discharging process, non-metallic wear plate isolates the direct contact between airflow and the inner wall of discharge cone, protect the metal inner wall from airflow scouring, non-metallic wear plate is arranged between flow gas butterfly and the inner wall of discharge cone, as buffer layer absorbs airflow impact, prevent metal wear, when airflow is sprayed from flow gas butterfly, first act on non-metallic wear plate, avoid direct scouring the metal surface of discharge cone, maintain the integrity of inner wall, prevent metal foreign matter from mixing into material, ensure the cleanliness of material, simultaneously prolong the service life of discharge cone, gas pipe joint connects external gas source and flow gas butterfly, transmit airflow to the inside of device, gas pipe joint penetrates the wall of discharge cone, introduces external compressed air into flow gas butterfly, provides power source for it, external gas source is input by gas pipe joint, airflow enters flow gas butterfly along pipeline, completes subsequent jetting action, ensure that airflow is stably transmitted, simple structure, convenient for integration with external gas source system, floppy disc adjusts airflow jetting direction, enhances flow effect, floppy disc is located at the air outlet end of flow gas butterfly, airflow is dispersed after impacting floppy disc, forms airflow field that is jetted to all around,After the airflow enters the flow-aiding butterfly through the air pipe joint, the airflow acts on the soft disc, the soft disc guides the airflow to the material, enhances the loosening effect, optimizes the airflow distribution, improves the flow-aiding efficiency, and reduces the possibility of material blockage,

[0022] The non-metallic wear-resistant sheet is a single-layer structure, the planar size of the non-metallic wear-resistant sheet is greater than the size of the cone of the gas outlet end opening of the flow-aiding butterfly, and the non-metallic wear-resistant sheet covers the gas outlet end opening of the flow-aiding butterfly. The non-metallic wear-resistant sheet covers the gas outlet end of the flow-aiding butterfly in a single-layer structure, ensuring that the airflow does not directly act on the inner wall of the discharge cone, the planar size of the non-metallic wear-resistant sheet is greater than the gas outlet end opening, ensuring that the airflow injection area is completely covered, and the airflow impact only acts on the surface of the wear-resistant sheet. When the airflow is injected from the gas outlet end of the flow-aiding butterfly, it is all intercepted by the non-metallic wear-resistant sheet, avoiding overflow to the metal inner wall, protecting the discharge cone, the single-layer structure simplifies the manufacturing and installation, the size design ensures comprehensive protection, reduces the risk of metal wear, and improves the durability of the device.

[0023] A plurality of flow-aiding butterflies are arranged at equal intervals along the circumferential direction of the inner wall of the discharge cone, and the gas outlet end of each flow-aiding butterfly faces the central axis of the discharge cone. By arranging at equal intervals and directional injection, a uniform airflow field is formed to loosen the material comprehensively. The plurality of flow-aiding butterflies are distributed along the circumference, the airflow is injected from the gas outlet end towards the central axis to form a ring-shaped airflow coverage, acting on different areas of the material. The airflow acts on the material in the discharge cone from multiple directions at the same time, ensuring that the material is evenly stressed and avoiding local blockage, enhancing the coverage and uniformity of the flow-aiding effect, improving the discharging efficiency, and being particularly suitable for large-volume silos.

[0024] The cross-sectional shape of the non-metallic wear-resistant sheet is a square cone, the inner surface of the non-metallic wear-resistant sheet matches the shape of the inner wall of the discharge cone, and the non-metallic wear-resistant sheet is tightly attached to the inner wall of the discharge cone through its edge. By designing a square cone and tightly attaching, it prevents airflow or material from seeping into the gap between the wear-resistant sheet and the inner wall. The square cross-section matches the conical structure of the inner wall of the discharge cone, and the edge is tightly attached to form a seal, blocking the leakage of airflow. When the airflow impacts the non-metallic wear-resistant sheet, it cannot enter between the inner wall and the wear-resistant sheet due to the tight fit, ensuring the protection effect, improving the sealing of the protection, preventing material pollution, and at the same time enhancing the installation stability of the wear-resistant sheet.

[0025] The soft disc is an umbrella-shaped structure, including a circular bottom surface and a conical side wall, and the open end of the conical side wall faces the inner wall of the discharge cone. The circular bottom surface of the soft disc is connected to the gas outlet end of the air pipe joint. The soft disc uses the umbrella-shaped structure to disperse the airflow and optimize the injection direction. The airflow enters the circular bottom surface of the soft disc from the air pipe joint, diffuses outward along the conical side wall, and is injected towards the inner wall to the material at the open end. After the airflow impacts the circular bottom surface, it is guided by the conical side wall to form a spraying mode that diffuses in all directions, covering a larger material area, improving the airflow action range and uniformity, enhancing the loosening effect, and reducing local material accumulation.

[0026] A gap is provided between the conical sidewall of the floppy disk and the inner surface of the non-metallic wear-resistant sheet, with the gap width ranging from 0.5 mm to 2 mm. The thickness of the non-metallic wear-resistant sheet ranges from 2 mm to 5 mm, and the material of the non-metallic wear-resistant sheet is selected from polytetrafluoroethylene (PTFE), polyurethane, or ceramic and cut into shape. The gap between the floppy disk and the non-metallic wear-resistant sheet provides an airflow jet channel, ensuring that the airflow effectively acts on the material. The gap width of 0.5 mm to 2 mm allows airflow to be ejected from between the floppy disk sidewall and the wear-resistant sheet, forming a directional airflow field. The airflow is ejected through the gap and acts on the material surface. The gap size controls the airflow speed and flow rate, optimizing the flow aid effect. The precise gap design balances the airflow distribution and jet force, improving the flow aid efficiency. Through specific thickness and material selection, wear resistance and applicability are enhanced. The thickness of 2 mm to 5 mm provides sufficient wear-resistant buffering. PTFE, polyurethane, or ceramic materials are resistant to cavitation and wear. The material and thickness ensure the service life of the wear-resistant sheet under long-term airflow impact. Regular replacement can maintain the protective performance. The diversity of materials adapts to different working conditions, and the thickness design ensures durability. To address the issues of air tightness and replacement costs, a sealing gasket is provided at the outer end of the air pipe connector near the discharge cone. The sealing gasket has a flat washer on its surface and a locking hexagonal nut on its surface, which is threaded onto the air pipe connector. The sealing gasket ensures the airtightness of the connection between the air pipe connector and the discharge cone. It fills the gap between the air pipe connector and the cone wall to prevent air leakage. When air is input, the sealing gasket is compressed and tightly fitted, blocking external air or material from entering, improving the air circuit's sealing performance, and ensuring airflow transmission efficiency. The flat washer provides distributed locking. The flat washer, positioned between the sealing washer and the locking hexagonal nut, evenly transmits the pressure of the nut. When the locking nut is tightened, the flat washer prevents the sealing washer from excessively deforming, extending its lifespan, enhancing installation stability, and reducing component wear. The locking hexagonal nut secures the air pipe connector, ensuring structural stability. Through its threaded engagement with the air pipe connector, the locking nut fixes the component to the wall of the discharge cone. After tightening the nut, the air pipe connector, sealing washer, and flat washer form a stable connection, preventing loosening. Installation is simple, disassembly and replacement are convenient, and maintenance efficiency is improved. Specific Implementation Example 2:

[0028] Reference Figs. 1-3 Based on the content of the above specific embodiments, the following content is further disclosed:

[0029] The operating logic of this device is based on the following steps and structural synergy:

[0030] Air source input: External air source enters the device through air pipe connector. The air pipe connector penetrates the wall of the feeding cone and extends into the interior to ensure that the airflow can directly act on the flow-aiding air disc.

[0031] Airflow guiding: After the air source enters the air guide butterfly from the air outlet end of the air pipe joint, it first acts on the circular bottom surface of the soft disc. The umbrella-shaped structure of the soft disc (the tapered side wall opening faces the inner wall of the discharge cone) guides the airflow to the surrounding, forming an outwardly diffusing airflow distribution;

[0032] Non-metal wear-resistant sheet isolation: When the airflow is sprayed through the gap (0.5-2 mm wide) between the soft disc and the non-metal wear-resistant sheet, the non-metal wear-resistant sheet acts as an isolation layer to withstand the direct impact of the airflow, avoiding direct flushing of the metal inner wall of the discharge cone.

[0033] Material flow assistance: The sprayed airflow acts on the material in the discharge cone. Multiple air flow guides are arranged at equal intervals along the circumference, with the airflow direction towards the central axis, forming a multi-point uniform airflow effect to loosen and push the material to flow downward, preventing blockage.

[0034] Long-term operation guarantee: The non-metal wear-resistant sheet is made of wear-resistant material (polytetrafluoroethylene, polyurethane or ceramic) with a thickness of 2-5 mm, which can withstand long-term airflow impact. When the wear reaches a certain degree, the wear-resistant sheet can be replaced by loosening the locking hexagonal nut to restore the device performance.

[0035] The working principle of the device is based on the combination of airflow-assisted discharge and wear-resistant isolation, as follows:

[0036] Structure: The device includes a hollow discharge barrel and a conical bottom cone. The inner wall of the discharge cone is provided with multiple air flow guides, each connected to an external air source through an air pipe joint. The air outlet end of the air flow guide is provided with an umbrella-shaped soft disc. The non-metal wear-resistant sheet is sandwiched between the soft disc and the inner wall of the discharge cone. The size of the non-metal wear-resistant sheet is larger than the air outlet opening of the air flow guide to ensure complete coverage of the airflow action area.

[0037] Airflow action process: When the external air source is input through the air pipe joint, the airflow first impacts the circular bottom surface of the soft disc. The tapered side wall of the soft disc guides the airflow to the surrounding and sprays it outward through the gap between the soft disc and the non-metal wear-resistant sheet. Due to the equal interval distribution of multiple air flow guides along the circumference, the airflow forms a uniform ring-shaped spraying effect inside the discharge cone, acting on the material surface, breaking the material bridge structure and promoting smooth material falling.

[0038] Wear-resistant protection mechanism: During the airflow spraying process, the non-metal wear-resistant sheet acts as a buffer layer to absorb the scouring energy of the airflow. Its square tapered cross-section and close-fitting design with the inner wall of the discharge cone ensure that no airflow or material penetrates the gap between the wear-resistant sheet and the inner wall. The material of the non-metal wear-resistant sheet (such as polytetrafluoroethylene) has good wear resistance and anti-icing properties, avoiding exposure of the metal inner wall to the airflow and preventing the generation of metal particles.

[0039] Installation stability: the air pipe joint is fixed on the wall of the discharge cone by a sealing washer, a flat washer and a locking hexagonal nut, ensuring the air path sealing and structural stability, avoiding air leakage or component loosening.

[0040] Maintenance and update: in long-term operation, the non-metallic wear-resistant sheet is gradually worn out by airflow erosion, by loosening the locking hexagonal nut, disassembling the air pipe joint and the airflow butterfly, the new non-metallic wear-resistant sheet can be replaced, without the need to repair the whole discharge cone, the maintenance process is efficient and convenient.

[0041] In summary:

[0042] By setting a non-metallic wear-resistant sheet between the airflow butterfly and the inner wall of the discharge cone, and cooperating with multiple airflow butterflies and umbrella-shaped soft discs arranged at equal intervals along the circumference, the metal inner wall wear caused by long-term airflow erosion is effectively avoided, the mixing of metal foreign matter into the material is prevented, the material cleanliness is improved, and the service life of the equipment is prolonged; the airflow is uniformly distributed, the arch breaking and loosening effect is excellent, the material conveying scene of various high cleanliness requirements can be solved, and the non-metallic wear-resistant sheet material can be selected from polytetrafluoroethylene, polyurethane or ceramic, the thickness adaptability is strong, the performance can be maintained by only regular replacement, the installation and maintenance are simple, the operation cost is reduced, and the device is suitable for various high cleanliness material conveying scenes.

[0043] In the utility model, unless another definite provision and limitation, first feature is in second feature "on" or "under", can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other features between them. Moreover, first feature is "on", "above" and "upper surface" of second feature includes that first feature is directly above and obliquely above second feature, or only indicates that the horizontal height of first feature is higher than second feature. First feature is "under", "below" and "lower surface" of second feature includes that first feature is directly below and obliquely below second feature, or only indicates that the horizontal height of first feature is less than second feature.

[0044] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above examples, the above examples and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A silo flow aid gas butterfly wear improvement device comprising a downcomer barrel and a downcomer cone, characterized by: The blanking barrel is a hollow structure, the blanking cone is connected with the bottom end of the blanking barrel, and the blanking cone is a conical hollow structure, the inner wall of the blanking cone is provided with a plurality of flow assisting air dishes, the non-metallic wear-resistant sheet is arranged between the inner wall of the blanking cone and the flow assisting air dishes, and the non-metallic wear-resistant sheet abuts against the inner wall of the blanking cone, the end of the flow assisting air dish is provided with an air pipe joint, and the air pipe joint is communicated with an external air source, the air pipe joint penetrates the wall of the blanking cone and extends into the blanking cone, and the flow assisting air dish comprises a soft disc, and the soft disc is located at the air outlet end of the flow assisting air dish.

2. A bin flow aid wear improvement device according to claim 1, characterized in that: The non-metallic wear-resistant sheet is a single-layer structure, the planar size of the non-metallic wear-resistant sheet is greater than the size of the conical body of the air outlet end opening of the flow assisting air dish, and the non-metallic wear-resistant sheet covers the air outlet end opening of the flow assisting air dish.

3. A bin flow aid wear improvement device according to claim 1, characterized in that: A plurality of the flow assisting air dishes are arranged at equal intervals along the circumferential direction of the inner wall of the blanking cone, and the air outlet end of each flow assisting air dish faces the central axis of the blanking cone.

4. A bin flow aid wear improvement device according to claim 2, characterized in that: The cross-sectional shape of the non-metallic wear-resistant sheet is a square cone, the inner surface of the non-metallic wear-resistant sheet matches the shape of the inner wall of the blanking cone, and the non-metallic wear-resistant sheet is tightly attached to the inner wall of the blanking cone through the edge thereof.

5. A bin flow aid wear improvement device according to claim 1, characterized by: The soft disc is an umbrella-shaped structure, the soft disc comprises a circular bottom surface and a conical side wall, the opening end of the conical side wall faces the inner wall of the blanking cone, and the circular bottom surface of the soft disc is connected with the air outlet end of the air pipe joint.

6. A bin flow aid wear improvement device according to claim 5, characterized in that: A gap is arranged between the conical side wall of the soft disc and the inner surface of the non-metallic wear-resistant sheet, the width of the gap ranges from 0.5mm to 2mm, the thickness of the non-metallic wear-resistant sheet ranges from 2mm to 5mm, and the material of the non-metallic wear-resistant sheet is cut from one of polytetrafluoroethylene, polyurethane or ceramic.

7. A bin flow aid wear improvement device according to claim 1, characterized by: The end of the air pipe joint close to the blanking cone is provided with a sealing gasket, the surface of the sealing gasket is provided with a flat gasket, the surface of the flat gasket is provided with a locking hexagonal nut, and the locking hexagonal nut is threadedly connected with the air pipe joint.

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