Bin cone structure and powder bin

Abstract

The utility model discloses a bin cone structure which is of a split structure and comprises an upper cone hopper and a lower cone hopper which are connected through bolts, and the bin cone structure is convenient to disassemble and assemble. The upper cone is connected with the upper flange and the telescopic ring, the lower cone is connected with the middle flange and the lower flange, communication of the upper cone hopper and the lower cone hopper is facilitated, normal conveying of powder is guaranteed, and the middle flange and the lower flange provide a mounting foundation for the vibrator. When the vibrator is started, the lower conical hopper is subjected to large vibration, so that vibration force is transmitted to powder in the bin, the phenomenon that the powder is stuck on the wall is avoided to the maximum extent, and smooth output of the powder is guaranteed. When the vibrator is started, the lower cone hopper vibrates and generates tiny displacement relative to the upper cone hopper to extrude the elastic flange pad, and meanwhile, the telescopic ring in contact with the middle flange generates elastic deformation to buffer vibration force borne by the upper cone hopper, so that the connection sealing performance of the upper cone hopper and the lower cone hopper is ensured, and the working reliability of the bin cone structure is improved. The utility model further provides a powder bin which comprises the bin cone structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of powder engineering and its peripheral supporting facilities, particularly to a bin cone structure and a powder bin. BACKGROUND

[0002] In the process of producing and using powder materials, the powder materials are basically stored in powder bins. Generally, the powder bin is a closed container with a cylindrical upper part and an inverted conical lower part, which is usually made of steel plates.

[0003] The top of the powder bin is provided with a feeding port, and the lower cone is provided with a discharging port. The powder is fed into the bin from the feeding port by a conveying device and discharged from the discharging port by utilizing the flowability of the powder. The diameter of the powder bin in industrial production is mostly more than 2 meters. In fact, in the production process, the fine powder inevitably contains water, for example, the water content of coal powder sometimes exceeds 10%, and the water content of ceramic powder is usually about 7%. Even the water content of cement powder is about 0.5%. In the powder bin, the lower cone bears the pressure of the self-weight of the powder, and the water molecules have the function of wetting the surface of the metal material. Under the action of pressure, the powder will stick to the wetted steel surface and form a stagnant wall phenomenon. The higher the water content of the powder, the more serious the stagnant wall phenomenon. In addition, the greater the viscosity of the water solution of the powder, the more serious the stagnant wall phenomenon. When the stagnant wall reaches a certain degree, the powder will caking on the cone wall, reducing the flowability of the powder, and even the powder cannot be discharged. The coal powder bin often cannot discharge coal powder, which is commonly known as "stall". In the lime bin, people often install aeration plates in the lower cone to solve the stagnant wall problem by blowing hot air through the micro-porous aeration plates, which consumes a certain amount of energy. Ceramic powder needs to pay attention to particle size distribution, and stagnant wall will accelerate the preferential falling of large particle powder, which will be discharged first, resulting in that the first discharged powder is coarse powder, and the later discharged powder is fine powder or even micro-powder, which affects the forming performance of the ceramic body and the sintering shrinkage rate of the ceramic product, resulting in uneven product density and inconsistent product size, and further forming waste products.

[0004] Therefore, how to change the status quo that the powder bin is prone to powder stagnant wall in the prior art has become a problem to be solved by those skilled in the art. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a bin cone structure and a powder bin to solve the problems in the related art, avoid the phenomenon of powder stagnant wall, ensure normal output of the powder, and improve the working reliability of the powder bin.

[0006] To achieve the above-mentioned purpose, the utility model provides the following scheme.

[0007] The utility model provides a bin cone structure, which comprises:

[0008] The upper cone hopper comprises an upper cone, an upper flange and an elastic ring, the smaller end of the upper cone is fixedly connected with the upper flange, and the elastic ring is arranged at the bottom of the upper flange and can be elastically deformed;

[0009] The lower cone hopper comprises a lower cone, a middle flange, a lower flange and a vibrator, the larger end of the lower cone is fixedly connected with the lower flange, the lower flange is connected with the middle flange and the vibrator is arranged therebetween, and the middle flange abuts against the elastic ring.

[0010] The upper cone hopper and the lower cone hopper are bolted, a flange pad is arranged between the middle flange and the upper flange, and the flange pad is made of an elastic material.

[0011] Preferably, the upper cone hopper further comprises an inner ring pipe, the inner ring pipe is connected with the smaller end of the upper cone, the upper flange is sleeved outside the inner ring pipe and is fixedly connected with the inner ring pipe, the elastic ring is sleeved outside the inner ring pipe, and the inner ring pipe extends into the lower cone.

[0012] Preferably, the lower cone hopper further comprises an outer ring pipe, the outer ring pipe is arranged between the middle flange and the lower flange, and the two ends of the outer ring pipe are fixedly connected with the middle flange and the lower flange respectively, the outer ring pipe is sleeved outside the elastic ring and abuts against the elastic ring.

[0013] Preferably, the lower cone hopper further comprises a vibration plate, the vibration plate is arranged between the middle flange and the lower flange and is located on the side of the outer ring pipe away from the axis of the lower cone, and the vibrator is mounted on the vibration plate.

[0014] Preferably, one end of the vibrator extends into the space between the middle flange and the lower flange through the vibration plate and is locked by a locking nut.

[0015] Preferably, the axial section of the elastic ring is in a U-shaped structure, the opening of the elastic ring faces the upper flange, the top of the inner side wall of the elastic ring is connected with the upper flange, the top of the outer side wall of the elastic ring abuts against the middle flange, and the elastic ring is made of an elastic steel material.

[0016] Preferably, the upper flange is welded with the upper cone, an upper reinforcing rib is further arranged between the upper flange and the upper cone, and the upper flange and the upper cone are respectively welded with the upper reinforcing rib.

[0017] Preferably, the lower flange is welded with the lower cone, a lower reinforcing rib is further arranged between the lower flange and the lower cone, and the lower flange and the lower cone are respectively welded with the lower reinforcing rib.

[0018] Preferably, the upper cone hopper and the lower cone hopper are connected by connecting bolts, the upper flange, the middle flange and the lower flange are provided with bolt holes matched with the connecting bolts, the connecting bolts are sequentially threaded through the lower flange, the middle flange and the upper flange and are screwed with connecting nuts, and gaskets are arranged between the connecting bolts and the connecting nuts; the number of the connecting bolts is multiple groups, and the connecting bolts are uniformly distributed around the axes of the upper cone hopper and the lower cone hopper.

[0019] The utility model also provides a powder bin, including the bin cone structure of above.

[0020] The utility model relative to prior art has obtained the following technical effect: the bin cone structure of the utility model, including upper cone hopper and lower cone hopper, wherein, upper cone hopper includes upper cone body, upper flange and telescopic ring, and the smaller end of the diameter of upper cone body is fixedly connected with upper flange, and telescopic ring is arranged at the bottom of upper flange and can produce elastic deformation;Lower cone hopper includes lower cone body, middle flange, lower flange and vibrator, and the larger end of the diameter of lower cone body is fixedly connected with lower flange, and lower flange is connected with middle flange and the vibrator is arranged between the two, and middle flange is in abutment with telescopic ring;Upper cone hopper and lower cone hopper are bolted, and flange pad is arranged between middle flange and upper flange, and the flange pad is made of elastic material.

[0021] The bin cone structure of the utility model adopts a split structure, including upper cone hopper and lower cone hopper, and the upper cone hopper and the lower cone hopper are bolted, convenient to disassemble and assemble;The upper cone body is connected with the upper flange and the telescopic ring, and the lower cone body is connected with the middle flange and the lower flange, facilitating the communication of the upper cone hopper and the lower cone hopper, ensuring the normal conveying of the powder, and the middle flange and the lower flange provide a mounting base for the vibrator.When the vibrator is turned on, the lower cone hopper is vibrated greatly, thereby transmitting the vibration force to the powder in the bin, avoiding the powder stagnation phenomenon to the greatest extent, and ensuring the smooth output of the powder.When the vibrator is turned on, the lower cone hopper vibrates and produces a slight displacement relative to the upper cone hopper, extruding the elastic flange pad, and the telescopic ring in contact with the middle flange produces elastic deformation, buffering the vibration force received by the upper cone hopper, ensuring the connection and sealing of the upper cone hopper and the lower cone hopper, and improving the working reliability of the bin cone structure. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or related technical scheme, the following will briefly introduce the drawings needed to be used in the embodiments, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating creative labor.

[0023] Figure 1 It is a structural schematic view of the bin cone structure disclosed in the embodiments of the utility model;

[0024] Figure 2 To Figure 1 Enlarged structural schematic view at A in the figure.

[0025] Figure: 100, bin cone structure;

[0026] 1, upper flange; 2, upper cone; 3, lower flange; 4, lower cone; 5, middle flange; 6, inner ring pipe; 7, outer ring pipe; 8, telescopic ring; 9, flange pad; 10, vibration plate; 11, vibrator; 12, upper reinforcing rib; 13, lower reinforcing rib; 14, connecting bolt; 15, connecting nut; 16, locking nut. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] The utility model discloses a bin cone structure and a powder bin, which solve the problems in the prior art, avoid the powder wall stagnation phenomenon, ensure normal output of the powder, and improve the working reliability of the powder bin.

[0029] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent, clear and understandable, the utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0030] Embodiment one

[0031] The embodiment provides a bin cone structure 100, please refer to Figures 1-2 , including upper cone bucket and lower cone bucket, wherein the upper cone bucket includes upper flange 1, upper cone 2 and telescopic ring 8, the smaller end of the diameter of the upper cone 2 is fixedly connected with the upper flange 1, and the telescopic ring 8 is arranged at the bottom of the upper flange 1 and can be elastically deformed; the lower cone bucket includes lower flange 3, middle flange 5, lower cone 4 and vibrator 11, the larger end of the diameter of the lower cone 4 is fixedly connected with the lower flange 3, the lower flange 3 is connected with the middle flange 5, and the vibrator 11 is arranged between the lower flange 3 and the middle flange 5, and the middle flange 5 abuts against the telescopic ring 8; the upper cone bucket and the lower cone bucket are bolted, the flange pad 9 is arranged between the middle flange 5 and the upper flange 1, and the flange pad 9 is made of elastic material.

[0032] The utility model discloses a bin cone structure 100 adopts split type structure, including upper cone hopper and lower cone hopper, upper cone hopper and lower cone hopper bolt connection, convenient to dismount, upper cone body 2 connects upper flange 1 and telescopic ring 8, lower cone body 4 connects middle flange 5 and lower flange 3, the communication of upper cone hopper and lower cone hopper is convenient, guarantees normal conveying of powder, and setting middle flange 5 and lower flange 3 provides the installation base for vibrator 11. When starting vibrator 11, lower cone hopper is subjected to greater vibration, thereby the vibration force is transmitted to the powder in the bin, the powder stagnation phenomenon is avoided to the maximum extent, and the smooth output of powder is guaranteed. When starting vibrator 11, lower cone hopper vibrates and generates slight displacement relative to upper cone hopper, and the elastic flange pad 9 is extruded, and the telescopic ring 8 in contact with middle flange 5 is elastically deformed, buffer the vibration force that upper cone hopper receives, and upper cone hopper only bears weak vibration, guarantee the connection sealing property of upper cone hopper and lower cone hopper, and the working reliability of bin cone structure 100 is improved.

[0033] The upper cone hopper further comprises an inner ring pipe 6 connected to the smaller-diameter end of the upper cone body 2, the upper flange 1 is sleeved on the outer portion of the inner ring pipe 6 and fixedly connected thereto, and the telescopic ring 8 is sleeved on the outer portion of the inner ring pipe 6. The inner ring pipe 6 extends into the lower cone body 4. The inner ring pipe 6 is arranged in the upper cone hopper and located inside the telescopic ring 8, thereby bearing the lateral pressure of the powder in the upper cone hopper and avoiding the telescopic ring 8 from bearing the pressure of the powder, so that the telescopic ring 8 can normally function. It should be further noted that, in the specific embodiment, the height of the inner ring pipe 6 is greater than the height of the telescopic ring 8, and when reaching a certain size, the powder in the upper cone hopper will not be reversely pushed to the telescopic ring 8, so that the telescopic ring 8 is ensured to be in a stable working range. It should be explained that, the size of the inner ring pipe 6 is reasonably set so as to protect the telescopic ring 8 from bearing pressure while avoiding the inner ring pipe 6 from interfering with the lower cone hopper, and the reasonable setting of the size of the inner ring pipe 6 is a common practice of the person skilled in the art, which will not be described herein.

[0034] Correspondingly, the lower cone hopper further comprises an outer ring pipe 7 arranged between the middle flange 5 and the lower flange 3, and the two ends of the outer ring pipe 7 are fixedly connected to the middle flange 5 and the lower flange 3, respectively. The outer ring pipe 7 is sleeved on the outer portion of the telescopic ring 8 and abuts against the telescopic ring 8. The outer ring pipe 7 is arranged in the lower cone hopper, thereby realizing the fixed connection of the middle flange 5 and the lower flange 3. In the state of expansion of the elastic material, the telescopic ring 8 automatically presses the inner wall of the outer ring pipe 7, so that the powder bin is in a wall-closed state (closed state).

[0035] In order to realize the installation of the vibrator 11, the lower cone hopper further comprises a vibration plate 10 arranged between the middle flange 5 and the lower flange 3 and located on the side of the outer ring pipe 7 away from the axis of the lower cone body 4. The vibration plate 10 is welded on the outer edge convex plane of the lower flange 3 and the outer ring pipe 7, and the vibrator 11 is installed on the vibration plate 10.

[0036] In the specific embodiment, one end of the vibrator 11 extends into the middle flange 5 and the lower flange 3 through the vibration plate 10 and is locked by the locking nut 16, and the vibrator 11 transmits vibration to the lower hopper by the middle flange 5 and the lower flange 3 when working.

[0037] Specifically, the axial section of the telescopic ring 8 is a U-shaped structure, the opening of the telescopic ring 8 is arranged towards the upper flange 1, the top of the inner side wall of the telescopic ring 8 is connected with the upper flange 1, and the top of the outer side wall of the telescopic ring 8 abuts against the middle flange 5. The telescopic ring 8 is made of elastic steel material, and the inner side wall of the telescopic ring 8 is slightly higher than the outer side wall. When the bin hopper structure 100 is assembled, the upper hopper is fixed first, and then the lower hopper is sleeved from below. When the lower hopper passes through the U-shaped telescopic ring 8, the telescopic ring 8 is compressed and then passes through. The flange pad 9 is placed between the middle flange 5 and the upper flange 1, and then the upper hopper and the lower hopper are connected by bolts. The upper cone body 2 is communicated with the lower cone body 4, and the installation of the bin hopper structure 100 is completed. In the specific embodiment, the telescopic ring 8 is made of thin plate of elastic steel material, which has good elasticity and certain structural strength, thereby improving the working reliability of the telescopic ring 8. It should be explained here that the flange pad 9 can be made of polyurethane material to ensure the sealing of the bin hopper structure 100. In actual application, the flange pad 9 can also be made of other elastic materials.

[0038] More specifically, the upper flange 1 is welded and connected with the upper cone body 2, and the upper reinforcing rib 12 is arranged between the upper flange 1 and the upper cone body 2 to ensure the structural stability. The upper flange 1 and the upper cone body 2 are respectively welded and connected with the upper reinforcing rib 12 to improve the overall structure.

[0039] Correspondingly, the lower flange 3 is welded and connected with the lower cone body 4, and the lower reinforcing rib 13 is arranged between the lower flange 3 and the lower cone body 4. The lower flange 3 and the lower cone body 4 are respectively welded and connected with the lower reinforcing rib 13 to ensure the structural strength of the lower hopper, thereby improving the structural stability of the bin hopper structure 100. In actual application, reinforcing rib structures can also be welded on the outside of the outer ring pipe 7 to improve the structural strength of the lower hopper.

[0040] It should be further explained that the upper hopper and the lower hopper are connected by the connecting bolts 14. The upper flange 1, the middle flange 5 and the lower flange 3 all have bolt holes matched with the connecting bolts 14. The connecting bolts 14 are in sequence threaded through the lower flange 3, the middle flange 5 and the upper flange 1 and are screwed with the connecting nuts 15. The connecting bolts 14 and the connecting nuts 15 are arranged with gaskets, which can be flat washers and elastic washers at the same time, to ensure the connection stability. The number of the connecting bolts 14 is multiple groups, and the connecting bolts 14 are uniformly distributed in the circumferential direction around the axis of the upper hopper and the lower hopper to improve the uniformity of the stress of the upper hopper and the lower hopper.

[0041] The warehouse cone structure 100, the vibrator 11 is installed at the vibration plate 10, and the flange pad 9 of polyurethane material is also elastic due to the gap between the high-strength connecting bolt 14 and the bolt hole on each flange (the upper flange 1, the middle flange 5 and the lower flange 3). When the vibrator 11 is started, the lower cone bucket is subjected to great vibration, and the upper cone bucket is subjected to very weak vibration, especially when the powder is loaded, the upper cone bucket is almost not vibrated. In this way, the vibration force is transmitted to the powder in the warehouse through the warehouse cone structure 100 by vibrating the lower cone bucket, so that the powder does not appear the wall stagnation phenomenon.

[0042] Example two

[0043] The embodiment provides a powder warehouse, which comprises the warehouse cone structure 100, avoids the powder wall stagnation phenomenon to the greatest extent, ensures the smooth output of the powder, and improves the structural stability and working reliability of the powder warehouse.

[0044] The principle and implementation mode of the utility model are described by applying specific examples in the utility model, and the above embodiment is only used for helping to understand the method and core idea of the utility model; meanwhile, according to the idea of the utility model, the specific implementation mode and application range will be changed by the general technical personnel in the field. In conclusion, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A cone-shaped structure, characterized in that, include: The upper conical bucket includes an upper cone, an upper flange, and a telescopic ring. The smaller diameter end of the upper cone is fixedly connected to the upper flange. The telescopic ring is located at the bottom of the upper flange and is capable of elastic deformation. The lower conical bucket includes a lower cone body, a middle flange, a lower flange, and a vibrator. The larger diameter end of the lower cone body is fixedly connected to the lower flange. The lower flange is connected to the middle flange, and the vibrator is disposed between the two. The middle flange abuts against the telescopic ring. The upper conical hopper and the lower conical hopper are bolted together, and a flange gasket is provided between the middle flange and the upper flange. The flange gasket is made of elastic material.

2. The cone structure according to claim 1, characterized in that: The upper conical hopper also includes an inner ring tube, which is connected to the smaller diameter end of the upper cone. The upper flange is sleeved on the outside of the inner ring tube and the two are fixedly connected. The telescopic ring is sleeved on the outside of the inner ring tube, and the inner ring tube extends into the lower cone.

3. The cone structure according to claim 1, characterized in that: The lower conical hopper also includes an outer ring tube, which is disposed between the middle flange and the lower flange, and both ends of the outer ring tube are fixedly connected to the middle flange and the lower flange respectively. The outer ring tube is sleeved on the outside of the telescopic ring and the two abut against each other.

4. The cone structure according to claim 3, characterized in that: The lower conical bucket also includes a vibrating plate, which is disposed between the middle flange and the lower flange and located on the side of the outer ring tube away from the axis of the lower cone. The vibrator is mounted on the vibrating plate.

5. The cone structure according to claim 4, characterized in that: One end of the vibrator passes through the vibrating plate and extends between the middle flange and the lower flange, and is locked using a locking nut.

6. The cone structure according to any one of claims 1-5, characterized in that: The axial cross-section of the telescopic ring is U-shaped, the opening of the telescopic ring faces the upper flange, the top of the inner wall of the telescopic ring is connected to the upper flange, the top of the outer wall of the telescopic ring abuts against the middle flange, and the telescopic ring is made of elastic steel.

7. The cone structure according to claim 1, characterized in that: The upper flange is welded to the upper cone, and an upper reinforcing rib is provided between the upper flange and the upper cone. The upper flange and the upper cone are respectively welded to the upper reinforcing rib.

8. The cone structure according to claim 1, characterized in that: The lower flange is welded to the lower cone, and a lower reinforcing rib is provided between the lower flange and the lower cone. The lower flange and the lower cone are respectively welded to the lower reinforcing rib.

9. The cone structure according to claim 1, characterized in that: The upper conical hopper and the lower conical hopper are connected by connecting bolts. The upper flange, the middle flange, and the lower flange all have bolt holes that match the connecting bolts. The connecting bolts pass through the lower flange, the middle flange, and the upper flange in sequence and are threaded into the connecting nut. A washer is provided between the connecting bolt and the connecting nut. There are multiple sets of connecting bolts, which are evenly distributed circumferentially around the axis of the upper and lower conical hoppers.

10. A powder silo, characterized in that: Includes the cone structure as described in any one of claims 1-9.

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