A fly ash bin for hazardous waste incineration

Abstract

This utility model discloses a fly ash bin for hazardous waste incineration, belonging to the field of hazardous waste treatment technology. It includes a conical bin, an ash removal assembly, and an ash discharge assembly. The conical bin includes a bin body for storing fly ash, with an opening at the bottom for ash discharge. The ash removal assembly includes vibrating plates connected to the inner wall of the bin body and extending along the axial direction of the bin body. Multiple vibrating plates are equidistantly spaced around the axial direction of the bin body, forming a fly ash adhesion zone between adjacent vibrating plates. The ash discharge assembly includes a retractable and rotatable sealing component and a lever. The sealing component is movably inserted into the opening, and the lever is connected to the sealing component. The lever can rotate and strike the vibrating plates to promote fly ash detachment and discharge. This utility model can improve the smoothness of fly ash discharge and reduce the risk of blockage.

Description

Technical Field

[0001] This utility model relates to the field of hazardous waste treatment technology, and in particular to a fly ash bin for hazardous waste incineration. Background Technology

[0002] Fly ash silos are key equipment used for the temporary storage, transfer, and treatment of fly ash in hazardous waste incineration. Their core function is to safely store the fly ash generated during incineration and, through supporting systems, to stabilize, utilize, or safely dispose of the fly ash. Hazardous waste incineration fly ash is fine particulate matter collected by flue gas purification systems (such as bag filters and electrostatic precipitators). During the incineration process, when the flue gas temperature drops below 200°C, gaseous pollutants (such as HCl and SOx) react with alkaline substances (such as CaO) to generate particulate matter. At the same time, heavy metals volatilize and condense, adhering to the surface of the fly ash, forming highly polluting and highly toxic fine particulate matter.

[0003] Traditional fly ash silos often use rigid connections (such as welding or bolting) between the silo body and the ash hopper, which makes it inconvenient to clean the inside. Furthermore, the vibration energy is transmitted through a single path, which limits the vibration amplitude of the ash hopper. When fly ash caking, it cannot be effectively discharged, resulting in a slow flow rate in the fly ash hopper and eventually causing blockage. Utility Model Content

[0004] In view of this, it is necessary to provide a fly ash bin for hazardous waste incineration to solve the problems of inconvenient internal cleaning, limited vibration amplitude, and fly ash caking and blockage caused by rigid connection in traditional fly ash bins.

[0005] This utility model provides a fly ash bin for hazardous waste incineration, comprising: A conical silo, comprising a silo body for storing fly ash, wherein the bottom of the silo body is provided with an opening for discharging fly ash; A fly ash removal assembly includes a vibrating plate connected to the inner wall of the silo and extending along the axial direction of the silo; a plurality of the vibrating plates are equidistantly spaced around the axis of the silo, and a fly ash adhesion zone is formed between adjacent vibrating plates; The ash discharge assembly includes a retractable and rotatable sealing component and a paddle. The sealing component is movably inserted into the opening body, and the paddle is connected to the sealing component. The paddle can rotate and strike the vibrating plate to promote the discharge of fly ash.

[0006] Furthermore, the upper part of the vibrating plate is partially connected to the inner wall of the chamber, and the lower part of the vibrating plate is spaced apart from the inner wall of the chamber.

[0007] Furthermore, the radial dimension of the vibrating plate gradually decreases from bottom to top.

[0008] A fly ash bin for hazardous waste incineration, characterized in that the inner cavity of the opening body is conical, and the shape and size of the sealing element are consistent with the opening body.

[0009] Furthermore, one end of the lever is hinged to the sealing member, and the lever can rotate in the vertical direction.

[0010] Furthermore, the lever is a flexible steel sheet.

[0011] Furthermore, the ash unloading assembly also includes a drive unit, which includes a drive rod and a drive component. The output end of the drive component is connected to the sealing component through the drive rod.

[0012] Furthermore, the driving component is a telescopic rotary motor.

[0013] Furthermore, the top of the silo is provided with a connector for inputting fly ash.

[0014] Furthermore, the bottom of the silo is provided with a curved pipe for discharging fly ash, and the drive rod is connected to the sealing component via the curved pipe.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: (1) The fly ash bin for hazardous waste incineration according to this utility model is equipped with a de-ashing component, which includes vibrating plates connected to the inner wall of the bin and extending along the axial direction of the bin. Multiple vibrating plates are arranged at equal intervals around the axis of the bin, and fly ash attachment zones are formed between adjacent vibrating plates. The vibrating plates can cause the fly ash located in the fly ash attachment zone to fall off from the inner wall of the bin through vibration. The distributed layout of the vibrating plates realizes the extensive coverage of vibration energy on the inner wall of the bin, avoiding energy attenuation in local areas.

[0016] (2) The fly ash bin for hazardous waste incineration according to this utility model is equipped with an ash discharge assembly. The ash discharge assembly includes a retractable and rotatable sealing component and a lever. The sealing component is movably inserted into the open mouth body, and the lever is connected to the sealing component. The sealing component can retract and rotate within the open mouth body. The retractable action can control the opening and closing of the open mouth body. The rotation action can drive the lever to rotate synchronously. The lever can rotate and strike the vibrating plate, converting mechanical motion into vibration energy. The active striking mechanism of the lever further enhances the fly ash shedding effect, ensuring that the fly ash is not easily re-caked during the discharge process, thereby effectively preventing blockage. Attached Figure Description

[0017] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings: Figure 1 This is a schematic diagram of the overall structure of the present invention. Figure 1 ; Figure 2 This is a schematic diagram of the overall structure of the present invention. Figure 2 ; Figure 3 yes Figure 2 A schematic diagram of the AA-direction cross-section structure; Figure 4 yes Figure 3 A magnified structural diagram of point B; Figure 5 This is a cross-sectional schematic diagram of the conical compartment in this utility model; Figure 6 This is a schematic diagram of the ash removal component in this utility model.

[0018] In the diagram, 100 is the conical chamber; 110 is the chamber body; 111 is the open mouth section; 112 is the connector; and 113 is the bend. 200. Ash removal assembly; 210. Vibrating plate; 300. Ash unloading assembly; 310. Sealing component; 320. Paddle; 330. Drive unit; 331. Drive rod; 332. Drive component. Detailed Implementation

[0019] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, which constitute a part of this application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not intended to limit the scope of the present invention.

[0020] This embodiment describes a fly ash bin for hazardous waste incineration, relating to the field of hazardous waste treatment technology. Through the synergistic action of the vibrating plate 210 of the ash removal component 200 and the paddle 320 of the ash discharge component 300, the paddle 320 rotates and strikes the vibrating plate 210 to loosen the attached fly ash. This effectively overcomes the defect of uneven energy distribution in traditional vibration ash removal mechanisms, thereby preventing fly ash from caking and adhering, ensuring a continuous and stable discharge process, improving the smoothness of fly ash discharge, and reducing the risk of blockage.

[0021] Please see Figures 1 to 6 This embodiment of a fly ash bin for hazardous waste incineration includes: a conical bin 100, an ash removal component 200, and an ash discharge component 300. The conical bin 100 can store accumulated fly ash. The ash removal component 200 and the ash discharge component 300 can cooperate with each other to remove fly ash adhering to the inner wall of the conical bin 100.

[0022] The conical silo 100 includes a silo body 110 for storing fly ash, and the bottom of the silo body 110 is provided with an opening 111 for ash discharge. The silo body 110 has a conical storage device, which is mainly used to contain fly ash and guide it to the bottom. The opening 111 can be opened and closed to discharge accumulated fly ash.

[0023] The ash removal assembly 200 includes vibrating plates 210, which are connected to the inner wall of the silo body 110 and extend along the axial direction of the silo body 110. Multiple vibrating plates 210 are equidistantly spaced around the axis of the silo body 110, forming a fly ash attachment zone between adjacent vibrating plates 210. The vibrating plates 210 can vibrate to cause the fly ash located in the fly ash attachment zone to detach from the inner wall of the silo body 110. The distributed layout of the vibrating plates 210 achieves widespread coverage of vibration energy on the inner wall of the silo body 110, avoiding energy attenuation in localized areas. The ash discharge assembly 300 includes a retractable and rotatable sealing member 310 and a lever 320. The sealing member 310 is movably inserted into the opening cavity 111. The lever 320 is connected to the sealing member 310. The sealing member 310 can retract and rotate within the opening cavity 111, controlling the opening and closing of the opening cavity 111. The rotational motion drives the lever 320 to rotate synchronously, which in turn strikes the vibrating plate 210, converting mechanical motion into vibrational energy. The active striking mechanism of the lever 320 further enhances the fly ash removal effect, ensuring that the fly ash does not easily re-cake during discharge, thereby effectively preventing blockage.

[0024] During use, the sealing component 310 is movably inserted into the opening body 111 and can extend, retract, and rotate. After the paddle 320 is connected to the sealing component 310, it can rotate and strike the vibrating plate 210. The rotational motion of the sealing component 310 is converted into the striking action of the paddle 320, which directly applies mechanical motion to the vibrating plate 210, so that the vibration energy is accurately transmitted to the fly ash attachment area, enhancing the immediacy and reliability of fly ash detachment. Thus, through the coordinated design of the conical bin 100 structure, the ash removal component 200, and the ash discharge component 300, the efficient transmission of vibration energy and the dynamic promotion of fly ash detachment are achieved, ensuring that the fly ash is not easily re-caking during the discharge process. Ultimately, this solves the problems of inconvenient internal cleaning, limited vibration amplitude, and fly ash caking and blockage caused by rigid connections in traditional fly ash bins.

[0025] In some embodiments, please refer to Figures 3 to 5The upper part of the vibrating plate 210 is partially connected to the inner wall of the silo body 110, while the lower part of the vibrating plate 210 is spaced apart from the inner wall of the silo body 110. This partial connection between the upper part of the vibrating plate 210 and the inner wall of the silo body 110 ensures the overall stability of the vibrating plate 210 and reduces resistance to vibration energy, allowing vibration to be transmitted more efficiently downwards along the axis, providing a stronger driving force to the lower region. Simultaneously, the spaced-apart feature between the lower part of the vibrating plate 210 and the inner wall of the silo body 110 allows the end of the vibrating plate 210 to swing freely without rigid constraints, generating a larger vibration amplitude, effectively striking the fly ash adhesion area, and promoting the loosening and shedding of caking fly ash.

[0026] In specific implementation, the upper end of the vibrating plate 210 is fixed to the inner wall of the chamber 110 only in a specific area. This can be achieved by spot welding, partial bonding, or fixing with connectors. The purpose is to ensure that the vibrating plate 210 maintains overall structural stability while avoiding excessive constraint on the upper part, thus providing a foundation for efficient transmission of vibration energy. A gap is left between the lower end of the vibrating plate 210 and the inner wall of the chamber 110. This gap can be adjusted by changing the length or installation position of the vibrating plate 210. The purpose is to allow the end of the vibrating plate 210 to break free from the rigid fixed state, forming a free vibration area, thereby increasing the swing amplitude of the vibrating plate 210.

[0027] In some embodiments, the radial dimension of the vibrating plate 210 gradually decreases from bottom to top. The vibrating plate 210 is narrower at the bottom of the silo 110 and gradually increases in width as it extends upwards. This gradient design of the radial dimension of the vibrating plate 210 results in lower structural stiffness in the narrower bottom region, making it easier to generate a larger amplitude vibration response under vibration excitation. Since the bottom of the silo 110 is the area with the densest fly ash accumulation and the highest risk of caking, increasing the vibration amplitude in this area can more effectively disrupt the fly ash adhesion structure and promote the shedding of caking fly ash. At the same time, the upward increase in dimension ensures the structural stability of the upper part of the vibrating plate 210, preventing component deformation or failure due to excessive vibration.

[0028] In practical implementation, the vibrating plate 210 is an elastic structural component extending along the axial direction of the inner wall of the silo 110. It can be made of elastic and wear-resistant materials such as metal sheets or composite material plates. The radial dimension is the width or thickness of the vibrating plate 210 in the direction perpendicular to the axial direction of the silo 110, and it can achieve a gradient change from bottom to top by changing the material thickness and adjusting the processing technology. The purpose of this design is to optimize the distribution of vibration energy in key areas of the silo 110, thereby improving the ash removal effect.

[0029] In some embodiments, please refer to Figure 3 and Figure 4The inner cavity of the opening body 111 is conical, and the shape and size of the sealing component 310 are consistent with those of the opening body 111. The conical opening body 111 can concentrate the vibration energy transmission path, enhance the vibration effect of the ash removal component 200, and thus reduce the risk of fly ash caking due to condensation and adhesion. During the insertion process, the sealing component 310 forms a gapless fit with the opening body 111. This matching mechanism not only prevents fly ash leakage in the ash discharge gap, but also applies a uniform thrust during the ash discharge operation, pushing the fly ash to move as a whole and avoiding local jamming caused by shape differences.

[0030] In practical implementation, the open cavity 111 is a channel structure for fly ash discharge. Its inner cavity is designed as a cone, which can be achieved by using an inclined wall design. The purpose is to guide the fly ash smoothly down the inclined surface through gravity, avoiding dead corners and accumulation in right-angled or flat-bottomed structures. The sealing component 310 is a key component for controlling the opening and closing of the open cavity 111. Its shape and size are consistent with the open cavity 111. Precision machining technology can ensure the matching degree between the two, aiming to achieve a tight dynamic seal, prevent fly ash leakage, and ensure the continuity and stability of the ash unloading operation.

[0031] In some embodiments, please refer to Figure 6 One end of the lever 320 is hinged to the sealing component 310. The lever 320 can rotate vertically and freely adjust its angle during rotation, avoiding stress concentration problems that may be caused by rigid connections. The dynamic adaptability of the lever 320 ensures that when striking the vibrating plate 210, it can flexibly adjust the contact angle according to the vibration amplitude changes of the vibrating plate 210, thereby achieving a uniform striking force distribution. In addition, the vertical rotation design of the lever 320 matches its movement trajectory, precisely targeting the fly ash adhesion area, especially the weak area formed by the gap between the lower part of the vibrating plate 210 and the inner wall of the silo 110. This design not only improves the efficiency of fly ash removal but also effectively prevents the problem of poor ash discharge caused by local caking.

[0032] In practical implementation, the paddle 320 is a component with elasticity and striking function. It can be made of thin metal sheets, elastic steel sheets, or other materials with similar properties. Its purpose is to optimize the striking effect through its flexibility and adjustability. A hinged connection is a connection method that allows relative rotation between two components. It can be achieved through structures such as pins, hinges, or ball joints. Its purpose is to give the paddle 320 dynamic adaptability, enabling it to automatically adjust its angle according to the actual state of the vibrating plate 210 during striking, thereby maintaining a stable striking force distribution and reducing equipment wear.

[0033] Preferably, the paddle 320 is an elastic steel sheet. The thickness and hardness of the elastic steel sheet can be adjusted according to specific needs to ensure that it provides sufficient impact force during the striking process while avoiding damage to the vibrating plate 210. The purpose of introducing the elastic steel sheet is to optimize the reliability and adaptability of the striking process, while extending the service life of the paddle 320.

[0034] In some embodiments, please refer to Figures 3 to 6 The ash discharge assembly 300 also includes a drive unit 330, which includes a drive rod 331 and a drive component 332. The output end of the drive component 332 is connected to the sealing component 310 via the drive rod 331. As the core power source, the drive unit 330 generates stable and adjustable telescopic rotational motion, avoiding the arbitrariness of traditional manual operation and ensuring a high degree of match between the action of the sealing component 310 and the fly ash discharge requirements. The drive rod 331, as a transmission component, efficiently transmits the power generated by the drive component 332, reducing energy loss through a rigid connection and ensuring that power is transmitted from the output end of the drive component 332 to the sealing component 310 without delay.

[0035] In practical implementation, the drive unit 330 can be driven by various methods such as hydraulic, pneumatic, or electric power to ensure the stability and controllability of the movement of the sealing component 310. The drive rod 331 is a key component for transmitting power; it can be a rigid metal rod or a high-strength composite material rod to reduce energy loss and ensure transmission efficiency. Furthermore, the output end of the drive component 332 is connected to the sealing component 310 via the drive rod 331. This direct connection eliminates intermediate conversion steps, enabling the sealing component 310 to accurately respond to the commands of the drive component 332.

[0036] As a further implementation, the drive component 332 is a telescopic rotary motor, which is connected to the drive rod 331 through its output end, transmitting the combined motion of telescopic and rotational movement to the sealing component 310. The telescopic function allows the sealing component 310 to precisely control the opening and closing of the opening body 111, ensuring that fly ash is discharged as needed; the rotational function drives the paddle 320 to strike the vibrating plate 210, breaking the hardened structure of the fly ash adhesion area and promoting fly ash detachment.

[0037] Specifically, a telescopic rotary motor is a drive device capable of simultaneously achieving linear and rotary motion. It can be implemented using an integrated servo motor or a stepper motor in conjunction with a lead screw structure. The purpose of introducing a telescopic rotary motor is to provide composite motion functionality, thereby meeting the requirements of the sealing component 310, which needs both telescopic and rotary motion, to ensure effective fly ash removal.

[0038] In some embodiments, please refer to Figure 1 and Figure 2 The top of the silo 110 is equipped with a connector 112 for inputting fly ash. The connector 112 precisely positions the fly ash input point at the highest point of the silo 110, naturally guiding the fly ash towards the lower conical area of ​​the silo 110 using gravity. The placement of the connector 112 effectively shortens the initial residence time of fly ash within the silo 110, reducing the chance of collision and adhesion of fly ash particles at the inlet. Furthermore, the top-input design not only avoids the accumulation of fly ash due to disordered entry during the input stage but also lays the foundation for uniform distribution of fly ash within the silo 110 and smooth subsequent unloading.

[0039] In practical implementation, connector 112 is a structural component used to connect the external conveying pipeline to the internal space of the silo 110. It can be achieved by means of flange connection, threaded connection, or clamp connection. In practical applications, connector 112 can be made of highly corrosion-resistant stainless steel or engineering plastics. The purpose is to ensure that fly ash can be smoothly introduced from the external equipment into the silo 110, while avoiding blockage or contamination caused by material issues.

[0040] In some embodiments, the bottom of the silo 110 is provided with a curved pipe 113 for discharging fly ash, and the drive rod 331 is connected to the sealing member 310 via the curved pipe 113. By providing the curved pipe 113 at the bottom of the silo 110 as a fly ash discharge channel, the fly ash is effectively guided to be discharged along a specific path, avoiding the problem of fly ash accumulating around the drive rod 331. At the same time, the drive rod 331 is connected to the sealing member 310 through the inside of the curved pipe 113. Utilizing the physical isolation effect of the curved pipe 113, the drive rod 331 is not directly exposed to the fly ash environment, thereby reducing the jamming phenomenon caused by fly ash adhesion.

[0041] In practical implementation, the bend 113 is a pipe structure with a curved shape, which can be made of metal or corrosion-resistant composite materials. The specific material can be selected according to the actual working conditions to adapt to the characteristics of fly ash. Its purpose is to change the flow path of fly ash through the bending design, preventing fly ash from accumulating around critical components. The drive rod 331 is the core component for transmitting driving force, which can be achieved through a rigid connecting rod or a flexible transmission shaft. Its purpose is to ensure that the sealing component 310 can stably perform telescopic and rotational movements.

[0042] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present utility model should be included within the present utility model.

Claims

1. A fly ash bin for hazardous waste incineration, characterized in that, include: A conical silo, comprising a silo body for storing fly ash, wherein the bottom of the silo body is provided with an opening for discharging ash; A fly ash removal assembly includes a vibrating plate connected to the inner wall of the silo and extending along the axial direction of the silo; a plurality of the vibrating plates are equidistantly spaced around the axis of the silo, and a fly ash adhesion zone is formed between adjacent vibrating plates; The ash discharge assembly includes a retractable and rotatable sealing component and a paddle. The sealing component is movably inserted into the opening body, and the paddle is connected to the sealing component. The paddle can rotate and strike the vibrating plate to promote the discharge of fly ash.

2. The fly ash bin for hazardous waste incineration according to claim 1, characterized in that, The upper part of the vibrating plate is partially connected to the inner wall of the chamber, and the lower part of the vibrating plate is spaced apart from the inner wall of the chamber.

3. The fly ash bin for hazardous waste incineration according to claim 1, characterized in that, The radial dimension of the vibrating plate gradually decreases from bottom to top.

4. The fly ash bin for hazardous waste incineration according to claim 1, characterized in that, The inner cavity of the oral cavity is conical, and the shape and size of the sealing element are consistent with those of the oral cavity.

5. The fly ash bin for hazardous waste incineration according to claim 1, characterized in that, One end of the lever is hinged to the sealing member, and the lever can rotate in the vertical direction.

6. The fly ash bin for hazardous waste incineration according to claim 5, characterized in that, The lever is a flexible steel sheet.

7. The fly ash bin for hazardous waste incineration according to claim 1, characterized in that, The ash removal assembly also includes a drive unit, which includes a drive rod and a drive component. The output end of the drive component is connected to the sealing component through the drive rod.

8. The fly ash bin for hazardous waste incineration according to claim 7, characterized in that, The driving component is a telescopic rotary motor.

9. The fly ash bin for hazardous waste incineration according to claim 7, characterized in that, The top of the silo is equipped with a connector for inputting fly ash.

10. The fly ash bin for hazardous waste incineration according to claim 7, characterized in that, The bottom of the silo is provided with a curved pipe for discharging fly ash, and the drive rod is connected to the sealing component via the curved pipe.

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