Apparatus for reprocessing sintered alumina balls based on self-combustion

Abstract

The application discloses a self-combustion-based reprocessing roasting furnace device for alumina balls, which comprises a box shell (1) used as a containing support, a furnace core (9) arranged in the box shell (1), and a gas pipe group arranged in the furnace core (9). The box shell (1) is used for supporting the furnace core (9) in the inner cavity, the gas pipe group is used for injecting oxygen and high-temperature flue gas into the furnace core (9), and the furnace core (9) is used for high-temperature combustion of alumina balls after adsorbent use. The alumina balls after adsorbent use are treated by high-temperature roasting self-combustion to eliminate attachments, and the technical problem that the alumina balls after adsorbent use are put into a heating container for combustion by natural gas is solved, so that the reprocessing cost of the alumina balls after adsorbent use is reduced.

Description

Technical Field

[0001] This utility model relates to a furnace device for reprocessing and roasting alumina balls, and more particularly to a furnace device for reprocessing and roasting alumina balls based on self-combustion. Background Technology

[0002] Alumina spheres, due to their superior properties such as high strength, high hardness, high wear resistance, high specific gravity, small size, high temperature resistance, corrosion resistance, and non-polluting nature, are widely used in the fine and deep processing of thick and hard materials in various types of ceramics, porcelain enamels, glass, and chemical factories. Because initially manufactured alumina spheres have excellent adsorption properties, they are generally used as adsorbents in the chemical technology field. After being used as adsorbents, the alumina spheres are typically used as filler materials after reprocessing by heating. Therefore, a self-combustion-based alumina sphere reprocessing roasting furnace is an important reprocessing and utilization device. Currently, there is no dedicated self-combustion-based alumina sphere reprocessing roasting furnace; instead, the alumina spheres after adsorbent use are placed in a heating container fueled by natural gas for combustion treatment. This reliance on external energy for heating increases the reprocessing cost of the alumina spheres after adsorbent use.

[0003] This invention utilizes a technical feature of high-temperature calcination to self-combust and eliminate adhering substances from alumina balls after adsorbent use. It also provides an effective exploration and research into the technical problem of placing used alumina balls in a heated container fueled by natural gas.

[0004] The statements herein provide only background information related to this utility model and do not necessarily constitute prior art. Based on the technical disclosure provided by the applicant on May 18, 2025, which addresses practical technical problems encountered during the work process, and similar patent documents obtained through retrieval (patent number: ZL 201811478880.8), as well as the existing technical problems, technical features, and technical effects in the background art, the technical solution of this invention is proposed. Summary of the Invention

[0005] The subject of this utility model is a self-combustion-based roasting furnace device for reprocessing alumina balls.

[0006] In order to overcome the above-mentioned technical shortcomings, the purpose of this utility model is to provide a self-combustion-based alumina ball reprocessing roasting furnace device, thereby reducing the reprocessing cost of alumina balls after the use of adsorbent.

[0007] To achieve the above objectives, the technical solution adopted by this utility model is as follows: it includes a box shell for serving as a supporting body, a furnace core disposed in the box shell, and a gas pipe assembly disposed in the furnace core.

[0008] By designing a casing, furnace core, and gas piping system, the furnace core is internally supported by the casing, oxygen and high-temperature flue gas are injected into the furnace core through the gas piping system, and the alumina balls after adsorbent use are subjected to high-temperature combustion through the furnace core. This high-temperature roasting process allows the alumina balls to self-combust and eliminate adhering substances, solving the technical problem of placing the alumina balls after adsorbent use in a heated container fueled by natural gas. Therefore, the reprocessing cost of the alumina balls after adsorbent use is reduced.

[0009] This utility model is designed to connect the shell, furnace core, and gas pipe assembly by means of high-temperature roasting of alumina balls to self-combust and eliminate adhering substances.

[0010] This invention relates to a design that connects the furnace core, the casing, and the gas pipe assembly by means of high-temperature combustion of the alumina balls after the adsorbent is used.

[0011] This utility model is designed such that the gas pipe assembly includes an oxygen supply pipe and a flue gas supply pipe.

[0012] The technical effects of the above four technical solutions are as follows: they highlight the technical feature of self-combustion to eliminate adhering substances from alumina balls after the adsorbent is used by high-temperature roasting, and introduce it into the technical field of alumina ball reprocessing roasting furnace device based on self-combustion.

[0013] This utility model is designed to include a first accessory device, which is disposed between the furnace core and the shell. The first accessory device includes a feed pipe, a discharge pipe, and a valve.

[0014] This utility model is designed to include a second accessory device, which is disposed between the gas pipe assembly and the housing. The first accessory device is configured to include a first blower and a second blower.

[0015] This utility model is designed to include a third accessory device, which is disposed between the second accessory device and the housing. The third accessory device is configured to include an exhaust pipe and a flame suppressor.

[0016] This utility model is designed to include a fourth accessory device, which is disposed between the second accessory device and the housing. The fourth accessory device includes a gas collection hood.

[0017] The technical effect of the above four technical solutions is that they enable the integrated installation of other components and expand the technical effect of the present invention.

[0018] This utility model is designed with a furnace core installed in the casing, an exhaust pipe installed between the casing and the flame extinguishing box, and a feed pipe, an oxygen supply pipe, a flue gas supply pipe and a discharge pipe installed between the furnace core and the casing. A first blower is installed between the flue gas supply pipe and the flame extinguishing box and the casing, and a second blower is installed between the oxygen supply pipe and the gas collection hood and the casing. A valve is installed on the discharge pipe.

[0019] The technical effect of the above technical solution is that the basic technical solution of this utility model is composed of the shell, feed pipe, oxygen supply pipe, flue gas supply pipe, exhaust pipe, first blower, second blower, gas collection hood, flame extinguishing box, furnace core, discharge pipe and valve, which solves the technical problem of this utility model.

[0020] This utility model designs a housing comprising a housing section, support legs, connecting rods, a plate section, and an isolation plate section. The lower part of the housing section's peripheral side is connected to the horizontal end of the support legs. The middle part of the right peripheral side of the housing section is connected to the inner end face of the plate section. The housing section is designed to accommodate the furnace core. One end of the connecting rod is connected to the inner wall of the housing section, and the other end is connected to the peripheral side of the furnace core. The upper end face of the housing section is respectively connected to the feed pipe and the oxygen supply pipe in a sleeve configuration, and the lower end face of the housing section is connected to the discharge pipe in a sleeve configuration. The lower parts of the front and rear peripheral sides of the housing section are connected to the flue gas supply pipe in a sleeve configuration, and the right peripheral side of the housing section... The lower part is designed to be connected to the exhaust pipe in a sleeve-like manner. The upper end face of the plate part is designed to be connected to the first blower and the second blower respectively, and the lower end face of the plate part is designed to be connected to the flame extinguishing box. The upper end face of the isolation plate part I is designed to be connected to the upper inner wall of the box part. The lower end face of the isolation plate part I is designed to be spaced apart from the lower inner wall of the box part. The left and right side faces of the isolation plate part I are designed to be distributed correspondingly to the furnace core. The box part is designed to be a rectangular box-shaped body. The support legs are designed to be L-shaped rods and are arranged at intervals along the perimeter outline of the box part. The connecting rod is designed to be a rod-shaped body. The plate part and the isolation plate part I are respectively designed to be rectangular plates. The isolation plate part I is arranged at intervals along the transverse center line of the box part.

[0021] The technical effect of the above solution is that it enables the internal containment of the spontaneous combustion flame of the alumina balls after the adsorbent is used, thus ensuring the required spontaneous combustion temperature of the alumina balls after the adsorbent is used.

[0022] This utility model designs a furnace core that is a box-shaped body with a constricted port in the middle and a tapered port at the lower end. The constricted port is a double-flare-hole body with a C-shaped cross-section, and the tapered port is a tapered tube. The furnace core is embedded and connected to the shell, and the upper port of the furnace core is connected to the feed pipe and the oxygen supply pipe, respectively. The upper part of the furnace core is connected to the feed pipe in a receiving manner, and the lower part of the furnace core is connected to the oxygen supply pipe in a receiving manner. The lower end face of the furnace core is connected to the discharge pipe in a communicating manner, and the lower part of the peripheral side of the furnace core is connected to the flue gas supply pipe in a communicating manner.

[0023] The technical effect of the above solution is that, by using the shrinking port body and the conical port body, the alumina balls are burned in a large flame after the adsorbent is applied to the upper part of the housing I, and in a small flame after the adsorbent is applied to the lower part of the housing I.

[0024] This utility model is designed such that the oxygen supply pipe is configured as an F-shaped cylindrical body, with the vertical part of the oxygen supply pipe being configured to be connected through the casing, the vertical part of the oxygen supply pipe being configured to be submerged in the furnace core, and the horizontal part of the oxygen supply pipe being configured to be connected to the second blower.

[0025] The technical effect of the above solution is that it enables the deep introduction of combustion air.

[0026] This utility model is designed with an F-shaped cylindrical flue pipe, the longitudinal part of which is connected to the casing through the flue pipe, the longitudinal port of which is connected to the furnace core, and the transverse part of which is connected to the first blower.

[0027] The technical effect of the above solution is that it enables the side-mounted introduction of high-temperature flue gas.

[0028] This utility model is designed such that the first blower is configured as a high-temperature blower and the lower end of the first blower is configured to be connected to the housing, the output port of the first blower is configured to be connected to the flame extinguishing box through a pipe, and the input port of the first blower is configured to be connected to the flue gas pipe.

[0029] The technical effect of the above solution is that it enables the powered delivery of combustion air.

[0030] The present invention is designed such that the second blower is configured as a high-pressure blower and the lower end of the second blower is configured to be connected to the housing, the output port of the second blower is configured to be connected to the oxygen supply pipe, and the input port of the second blower is configured to be connected to the gas collection hood through a pipe.

[0031] The technical effect of the above solution is that it enables the powered transport of high-temperature flue gas.

[0032] This utility model is designed such that the feed pipe is a cylindrical body and the inner end of the feed pipe is connected to the box shell through the tube, and the inner end of the feed pipe is connected to the furnace core in a submerged manner.

[0033] This utility model is designed with a discharge pipe configured as a cylindrical body, the inner end of the discharge pipe configured to be connected through the shell, the inner end of the discharge pipe configured to be connected to the furnace core, and the outer end of the discharge pipe configured to be connected to the valve.

[0034] This utility model is designed such that the valve is configured as a stop valve and the port of the valve is configured to be connected to the cross-sectional port of the discharge pipe.

[0035] The technical effects of the above three solutions are: to achieve shallow filling of alumina balls after adsorbent use and discharge at the lower control port.

[0036] This utility model is designed such that the exhaust pipe is cylindrical and one end of the exhaust pipe is connected to the housing, and the other end of the exhaust pipe is connected to the flame suppressor box.

[0037] This utility model designs a flame extinguishing box comprising a shell section III, an isolation plate section II, and a pipe section V. The shell section III is respectively configured to be accommodatingly connected to the isolation plate sections II and V. The upper end face of the isolation plate section II is connected to the upper inner wall of the shell section III, and the lower end face of the isolation plate section II is spaced apart from the lower inner wall of the shell section III. The lower end face of the isolation plate section III is connected to the lower inner wall of the shell section III, and the upper end face of the isolation plate section III is spaced apart from the upper inner wall of the shell section III. The lower right side of the shell section III is connected to the horizontal end of the pipe section V and is located on the right side of the shell section III. The components are arranged to correspond to the horizontal ports of pipe section V. The lower left side of housing section III is connected to the exhaust pipe, and the isolation plate section III located on the left side of housing section III is arranged to correspond to the ports of the exhaust pipe. The upper end face of housing section III is connected to the pipe located on the first blower and the upper end face of housing section III is connected to the housing. The vertical part of pipe section V is connected to the flue gas purifier in a recessed manner, and housing section III is a rectangular box-shaped body. Isolation plate section II and isolation plate section III are rectangular sheet-shaped bodies and are arranged at intervals along the horizontal center line of housing section III. Pipe section V is an L-shaped cylindrical body.

[0038] The technical effect of the above solution is that it enables the collection and recovery of high-temperature flue gas.

[0039] The present invention is designed such that the gas collection hood is configured as a trapezoidal hopper and the lower open part of the gas collection hood is configured to be connected to the atmospheric air, and the upper top part of the gas collection hood is configured to be connected to the second blower 7 through a pipe.

[0040] The technical effect of the above solutions is that they enable the accumulation of atmospheric air.

[0041] This utility model is designed such that the box shell, furnace core, oxygen supply pipe, and flue gas supply pipe are arranged in a manner that integrates the furnace body, and the box shell, furnace core, oxygen supply pipe, and flue gas supply pipe are arranged in a manner that integrates the feed pipe, discharge pipe, and valves, and the box shell, furnace core, oxygen supply pipe, and flue gas supply pipe are arranged in a manner that integrates the second blower and gas collection hood, and the box shell, furnace core, oxygen supply pipe, and flue gas supply pipe are arranged in a manner that integrates the exhaust pipe, flame extinguishing box, and first blower ... high-temperature flue gas injection.

[0042] This utility model is designed with a feed pipe, a furnace core, a discharge pipe and a valve as a set of roasting components, and multiple sets of roasting components are arranged at intervals along the transverse center line of the shell.

[0043] In this technical solution, the shell and furnace core are the basic components and essential technical features of this utility model. The feed pipe, oxygen supply pipe, flue gas supply pipe, exhaust pipe, first blower, second blower, gas collection hood, flame extinguishing box, discharge pipe and valve are functional components and features that achieve other technical effects of this utility model. The design of the box section, support leg section, connecting rod section, plate section, isolation plate section I, shrink port body, conical port body, shell section III, isolation plate section II, isolation plate section III and pipe section V are technical features that comply with the Patent Law and its implementing regulations.

[0044] In this technical solution, the self-heating treatment of the alumina balls after adsorbent use by high-temperature roasting to eliminate adhering substances through self-combustion is achieved by the furnace core and gas pipe assembly. The alumina balls after adsorbent use refer to alumina balls after adsorbent use that have self-combustion properties.

[0045] In this technical solution, the shell, furnace core, and gas pipe assembly that perform self-combustion treatment of alumina balls after adsorbent use by high-temperature roasting to eliminate adhering substances are important technical features. In the technical field of alumina ball reprocessing roasting furnace device based on self-combustion, it has novelty, inventiveness, and practicality. The terminology in this technical solution can be explained and understood using patent literature in this technical field. Attached Figure Description

[0046] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0047] Figure 1 This is a schematic diagram of one of the first embodiments of the present utility model.

[0048] Box shell-1, feed pipe-2, oxygen supply pipe-3, flue gas supply pipe-4, exhaust pipe-5, first blower-6, second blower-7, gas collection hood-8, flame extinguishing box-90, furnace core-9, discharge pipe-91, valve-92, box section-11, support leg section-12, connecting rod section-13, plate section-14, isolation plate section I-15, shrinkage port body-10, conical port body-19, box shell section III-901, isolation plate section II-902, isolation plate section III-903, pipe section V-904. Detailed Implementation

[0049] According to the examination guidelines, terms such as “having,” “comprising,” and “including” used in this invention should be understood as not dispensing the presence or addition of one or more other elements or combinations thereof.

[0050] 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.

[0051] 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 based on the specific circumstances.

[0052] 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. In addition, unless otherwise specified, the equipment and materials used in the following embodiments are all commercially available. If the processing conditions are not explicitly stated, please refer to the product manual or follow the conventional methods in the field.

[0053] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0054] Figure 1 This is one of the first embodiments of the present utility model. The embodiment is described in detail with reference to the accompanying drawings. It includes a housing 1, a feed pipe 2, an oxygen supply pipe 3, a flue gas supply pipe 4, an exhaust pipe 5, a first blower 6, a second blower 7, a gas collecting hood 8, a flame extinguishing box 90, a furnace core 9, a discharge pipe 91, and a valve 92. The furnace core 9 is housed within the housing 1. The exhaust pipe 5 is located between the housing 1 and the flame extinguishing box 90. The feed pipe 2, oxygen supply pipe 3, flue gas supply pipe 4, and discharge pipe 91 are respectively located between the furnace core 9 and the housing 1. The first blower 6 is located between the flue gas supply pipe 4, the flame extinguishing box 90, and the housing 1. The second blower 7 is located between the oxygen supply pipe 3, the gas collecting hood 8, and the housing 1. The valve 92 is located on the discharge pipe 91.

[0055] The second embodiment of the present invention will be described in detail with reference to the accompanying drawings.

[0056] In this embodiment, the housing 1 is configured to include a housing section 11, a support leg section 12, a connecting rod section 13, a plate section 14, and an isolation plate section 15. The lower part of the peripheral side of the housing section 11 is configured to be connected to the horizontal end of the support leg section 12. The middle part of the right peripheral side of the housing section 11 is configured to be connected to the inner end face of the plate section 14. The housing section 11 is configured to be accommodatingly connected to the furnace core 9. One end of the connecting rod section 13 is configured to be connected to the inner wall of the housing section 11, and the other end of the connecting rod section 13 is configured to be connected to the peripheral side of the furnace core 9. The upper end face of the housing section 11 is configured to be fitted with the feed pipe 2 and the oxygen supply pipe 3, respectively. The lower end face of the housing section 11 is configured to be fitted with the discharge pipe 91. The lower parts of the front and rear peripheral sides of the housing section 11 are configured to be fitted with the flue gas supply pipe 4, and the right peripheral side of the housing section 11 is configured to be fitted with the feed pipe 2 and the oxygen supply pipe 3, respectively. The lower part is configured to be connected to the exhaust pipe 5 in a set. The upper end face of the plate part 14 is configured to be connected to the first blower 6 and the second blower 7 respectively, and the lower end face of the plate part 14 is configured to be connected to the flame extinguishing box 90. The upper end face of the isolation plate part I 15 is configured to be connected to the upper inner wall of the box part 11. The lower end face of the isolation plate part I 15 is configured to be spaced apart from the lower inner wall of the box part 11. The left and right side faces of the isolation plate part I 15 are configured to be distributed correspondingly to the furnace core 9. The box part 11 is configured as a rectangular box. The support leg part 12 is configured as an L-shaped rod and is arranged at intervals along the periphery outline of the box part 11. The connecting rod part 13 is configured as a rod. The plate part 14 and the isolation plate part I 15 are respectively configured as rectangular plates. The isolation plate part I 15 is arranged at intervals along the transverse center line of the box part 11.

[0057] The housing 1 forms a support connection point for the feed pipe 2, oxygen supply pipe 3, flue gas supply pipe 4, exhaust pipe 5, first blower 6, second blower 7, flame extinguishing box 90, furnace core 9, and discharge pipe 91. The housing 11 connects to the feed pipe 2, oxygen supply pipe 3, flue gas supply pipe 4, exhaust pipe 5, and discharge pipe 91. The plate 14 connects to the first blower 6, the second blower 7, and the flame extinguishing box 90. The housing 11, connecting rod 13, and isolation plate Ⅰ15 connect to the furnace core 9. The support leg 12 provides off-ground support for the housing 11. Its technical purpose is to serve as a support carrier for the feed pipe 2, oxygen supply pipe 3, flue gas supply pipe 4, exhaust pipe 5, first blower 6, second blower 7, flame extinguishing box 90, furnace core 9, and discharge pipe 91.

[0058] In this embodiment, the furnace core 9 is configured as a box-shaped body with a constricted port body 10 in the middle and a tapered port body 19 at the lower end. The constricted port body 10 is configured as a double-flare-hole body with a C-shaped cross-section, and the tapered port body 19 is configured as a tapered tube. The furnace core 9 is configured to be embedded and connected to the shell 1. The upper port of the furnace core 9 is configured to be connected to the feed pipe 2 and the oxygen supply pipe 3, respectively. The upper part of the furnace core 9 is configured to be accommodatingly connected to the feed pipe 2, and the lower part of the furnace core 9 is configured to be accommodatingly connected to the oxygen supply pipe 3. The lower end face of the furnace core 9 is configured to be connected to the discharge pipe 91, and the lower part of the peripheral side of the furnace core 9 is configured to be connected to the flue gas supply pipe 4.

[0059] The furnace core 9 forms a support connection point for the shell 1, feed pipe 2, oxygen supply pipe 3, flue gas supply pipe 4, and discharge pipe 91. The furnace core 9 realizes the connection with the shell 1, the feed pipe 2, the oxygen supply pipe 3, the flue gas supply pipe 4, and the discharge pipe 91. Its technical purpose is to be used as a component for high-temperature calcination treatment of alumina balls after the adsorbent has been used.

[0060] In this embodiment, the feed pipe 2 is configured as a cylindrical body and the inner end of the feed pipe 2 is configured to be connected through the shell 1, and the inner end of the feed pipe 2 is configured to be connected to the furnace core 9 in a submerged manner.

[0061] The feed pipe 2 forms a support connection point for the shell 1 and the furnace core 9. The feed pipe 2 connects the shell 1 and the furnace core 9. Its technical purpose is to serve as a component for injecting alumina balls into the furnace core 9 after the adsorbent has been used.

[0062] In this embodiment, the discharge pipe 91 is configured as a cylindrical body and the inner end of the discharge pipe 91 is configured to be connected through the shell 1, the inner end of the discharge pipe 91 is configured to be connected to the furnace core 9, and the outer end of the discharge pipe 91 is configured to be connected to the valve 92.

[0063] The discharge pipe 91 forms a support connection point for the housing 1, the furnace core 9, and the valve 92. The discharge pipe 91 connects to the housing 1, the furnace core 9, and the valve 92. Its technical purpose is to serve as a component for discharging the reprocessed alumina balls from the furnace core 9.

[0064] In this embodiment, valve 92 is configured as a shut-off valve and the port portion of valve 92 is configured to be connected to the cross-sectional port portion of discharge pipe 91.

[0065] Valve 92 forms a support connection point for the discharge pipe 91. Valve 92 enables the connection with the discharge pipe 91. Its technical purpose is to serve as a component that enables the opening and closing control of the discharge pipe 91.

[0066] In this embodiment, the oxygen supply pipe 3 is configured as an F-shaped cylindrical body, and the vertical part of the oxygen supply pipe 3 is configured to be connected through the casing 1. The vertical part of the oxygen supply pipe 3 is configured to be submerged in the furnace core 9, and the horizontal part of the oxygen supply pipe 3 is configured to be connected in communication with the second blower 7.

[0067] The oxygen supply pipe 3 forms a support connection point for the casing 1, the furnace core 9, and the second blower 7. The oxygen supply pipe 3 connects the furnace core 9 and the second blower 7. Its technical purpose is to serve as a component that adds oxygen from the atmospheric air into the furnace core 9.

[0068] In this embodiment, the flue gas pipe 4 is configured as an F-shaped cylindrical body, and the longitudinal part of the flue gas pipe 4 is configured to be connected through the casing 1, the longitudinal port of the flue gas pipe 4 is configured to be connected to the furnace core 9, and the transverse part of the flue gas pipe 4 is configured to be connected to the first blower 6.

[0069] By adding the flue gas pipe 4, a support connection point is formed for the housing 1, the first blower 6 and the furnace core 9. The addition of the flue gas pipe 4 realizes the connection with the housing 1, the first blower 6 and the furnace core 9. Its technical purpose is to be used as a component to add the high-temperature flue gas generated by the furnace core 9 into the furnace core 9.

[0070] In this embodiment, the gas collection hood 8 is configured as a trapezoidal hopper and the lower open portion of the gas collection hood 8 is configured to be connected to the atmospheric air, while the upper top portion of the gas collection hood 8 is configured to be connected to the second blower 7 via a pipe.

[0071] The air collection hood 8 forms a support connection point for the second blower 7. The air collection hood 8 enables the connection with the second blower 7. Its technical purpose is to serve as a component for collecting atmospheric air.

[0072] In this embodiment, the exhaust pipe 5 is configured as a cylindrical body and one end of the exhaust pipe 5 is configured to be connected in communication with the housing 1, and the other end of the exhaust pipe 5 is configured to be connected in communication with the flame suppressor box 90.

[0073] The exhaust pipe 5 forms a support connection point for the housing 1 and the flame suppressor box 90. The exhaust pipe 5 connects the housing 1 and the flame suppressor box 90. Its technical purpose is to serve as a component for discharging high-temperature flue gas from the housing 1.

[0074] In this embodiment, the flame extinguishing box 90 is configured to include a shell portion III 901, an isolation plate portion II 902, an isolation plate portion III 903, and a pipe portion V 904. The shell portion III 901 is configured to be accommodatingly connected to the isolation plate portions II 902 and III 903. The upper end portion of the isolation plate portion II 902 is configured to be connected to the upper inner wall of the shell portion III 901, and the lower end portion of the isolation plate portion II 902 is configured to be spaced apart from the lower inner wall of the shell portion III 901. The lower end portion of the isolation plate portion III 903 is configured to be connected to the lower inner wall of the shell portion III 901, and the upper end portion of the isolation plate portion III 903 is configured to be spaced apart from the upper inner wall of the shell portion III 901. The lower part of the right side of the shell portion III 901 is configured to be an isolation plate connected to the horizontal end of the pipe portion V 904 and located on the right side of the shell portion III 901. Part III 903 is arranged to correspond to the horizontal port of pipe V 904. The lower left side of the housing part III 901 is connected to the exhaust pipe 5. The isolation plate part III 903 located on the left side of the housing part III 901 is arranged to correspond to the port of the exhaust pipe 5. The upper end part of the housing part III 901 is connected to the pipe located on the first blower 6 and is connected to the housing 1. The vertical part of pipe V 904 is connected to the flue gas purifier in a recessed manner. The housing part III 901 is a rectangular box-shaped body. Isolation plate part II 902 and isolation plate part III 903 are rectangular plates and are arranged at intervals along the horizontal center line of the housing part III 901. Pipe V 904 is an L-shaped cylindrical body.

[0075] The flame extinguishing box 90 forms a support connection point for the box shell 1, the exhaust pipe 5 and the first blower 6. The box shell part Ⅲ901 and the isolation plate part Ⅲ903 realize the connection with the exhaust pipe 5. The box shell part Ⅲ901 realizes the connection with the box shell 1 and the connection with the first blower 6. The pipe part Ⅴ904 realizes the connection with the flue gas purifier. The isolation plate part Ⅱ902 realizes the intermediate partition treatment of the isolation plate part Ⅲ903. Its technical purpose is to serve as a component to isolate the flame gas discharged from the exhaust pipe 5.

[0076] In this embodiment, the first blower 6 is configured as a high-temperature blower, and the lower end of the first blower 6 is configured to be connected to the housing 1. The output port of the first blower 6 is configured to be connected to the flame extinguishing box 90 through a pipe, and the input port of the first blower 6 is configured to be connected to the flue gas pipe 4.

[0077] The first blower 6 forms a support connection point for the housing 1, the flue gas inlet pipe 4, and the flame extinguishing box 90. The first blower 6 realizes the connection with the housing 1, the flue gas inlet pipe 4, and the flame extinguishing box 90. Its technical purpose is to serve as a power component for re-introducing high-temperature flue gas into the furnace core 9.

[0078] In this embodiment, the second blower 7 is configured as a high-pressure blower, and the lower end portion of the second blower 7 is configured to be connected to the housing 1. The output port of the second blower 7 is configured to be connected to the oxygen supply pipe 3, and the input port of the second blower 7 is configured to be connected to the gas collection hood 8 through a pipe.

[0079] The second blower 7 forms a support connection point for the housing 1, oxygen supply pipe 3 and gas collection hood 8. The second blower 7 realizes the connection with the housing 1, the oxygen supply pipe 3 and the gas collection hood 8. Its technical purpose is to serve as a power component for adding atmospheric air into the furnace core 9.

[0080] In this embodiment, the shell 1, furnace core 9, oxygen supply pipe 3, and flue gas supply pipe 4 are arranged in a manner that integrates the furnace body. The shell 1, furnace core 9, oxygen supply pipe 3, and flue gas supply pipe 4 are arranged in a manner that integrates the feed pipe 2, discharge pipe 91, and valve 92. The shell 1, furnace core 9, oxygen supply pipe 3, and flue gas supply pipe 4 are arranged in a manner that integrates the second blower 7 and gas collection hood 8. The shell 1, furnace core 9, oxygen supply pipe 3, and flue gas supply pipe 4 are arranged in a manner that integrates the exhaust pipe 5, flame extinguishing box 90, and first blower 6. A feed pipe 2, a furnace core 9, a discharge pipe 91, and a valve 92 are arranged to form a set of roasting components. Multiple sets of roasting components are arranged at intervals along the transverse centerline of the shell 1.

[0081] The usage method of this embodiment is as follows: When reprocessing the alumina balls after adsorbent use, valve 92 is closed. In the initial stage of reprocessing, plant straw is placed in the furnace core 9 as fuel, allowing it to burn. The alumina balls are then injected into the furnace core 9 through the feed pipe 2. Once the quantitative injection of the alumina balls into the furnace core 9 is complete, the injection of alumina balls into the furnace core 9 through the feed pipe 2 is stopped. The process continues with the use of plant straw... The combustion of the adsorbent in the furnace core 9 ignites the alumina balls after use. The high-temperature flue gas generated by the combustion of the alumina balls after use in the furnace core 12 accumulates in the box section 11. Under the suction action of the exhaust pipe 5, the high-temperature flue gas is discharged and the furnace core 9 is heated internally and externally, so that the furnace core 9 is in a high-temperature state. The combustion flame is transported to the box shell section III 901 by the exhaust pipe 5. The open flame is extinguished by the isolation plate section II 902 and the isolation plate section III 903. The high-temperature flue gas is input into the flue gas system through the pipe section V 904. In the purifier, the high-temperature flue gas is purified and discharged by the flue gas purifier. Under the action of the first blower 6, the high-temperature flue gas in the flame extinguishing box 90 is injected into the furnace core 9 through the flue gas injection pipe 4. Under the action of the second blower 7, the atmospheric air collected by the gas collecting hood 8 is injected into the oxygen injection pipe 3. The atmospheric air is injected into the furnace core 9 through the vertical part of the oxygen injection pipe 3, which promotes the combustion of the alumina balls after the adsorbent in the furnace core 9 is used. After the alumina balls in the furnace core 9 have completed the specified combustion time, the retreated gas is obtained. Alumina balls are fed through valve 92, which is in the open position. After reprocessing, the alumina balls fall through discharge pipe 91, discharging the reprocessed alumina balls in the lower part of furnace core 9. The alumina balls in the upper part of furnace core 9 that are in a state of combustion remain in furnace core 9. After the reprocessed alumina balls in the lower part of furnace core 9 are discharged, valve 92 is closed, and the next batch of alumina balls is fed through feed pipe 2 into furnace core 9, thus circulating and roasting the alumina balls.

[0082] In verifying this utility model, the inventors abandoned the existing technical feature of placing the alumina balls after adsorbent use into a heated container for combustion using natural gas. Instead, they first proposed a technical feature of using high-temperature roasting to self-combust and eliminate adhering substances from the alumina balls after adsorbent use. This resulted in the first unexpected technical effect: achieving the burning and elimination of impurities on the alumina balls after adsorbent use, and reusing the treated alumina balls. The second unexpected technical effect: achieving the elimination of adhering impurities from the alumina balls through self-combustion, reducing energy consumption. The third unexpected technical effect: setting the self-combustion state of the alumina balls after adsorbent use within a closed zone, satisfying the self-combustion requirements of the alumina balls after adsorbent use. The fourth unexpected technical effect was achieved by adjusting the combustion temperature: a high-temperature setting of the combustion-supporting gas for the self-combustion state of the alumina balls after adsorbent use was realized, improving the start-up performance of the self-combustion state of the alumina balls after adsorbent use. The fifth unexpected technical effect was achieved by achieving full combustion flame coverage of the furnace core 9, increasing the temperature of the furnace core 9 itself. The sixth unexpected technical effect was achieved by achieving zoned flame roasting of the alumina balls after adsorbent use, enabling the reprocessed alumina balls to provide temperature support for the roasted alumina balls after adsorbent use. The seventh unexpected technical effect was achieved by achieving cross-blowing injection of one path of atmospheric air and one path of high-temperature flue gas into the furnace core 9, improving the combustion performance of the alumina balls after adsorbent use in the furnace core 9.

[0083] In the second embodiment of this utility model, the casing 1, furnace core 9 and gas pipe assembly are interconnected by means of self-combustion to eliminate the adhering substances of the alumina balls after the adsorbent is used by high-temperature roasting.

[0084] In this embodiment, the furnace core 9 is connected to the casing 1 and the gas pipe assembly in the manner of high-temperature combustion of the alumina balls after the adsorbent is used.

[0085] In this embodiment, the gas assembly is configured to include an oxygen supply pipe 3 and a flue gas supply pipe 4.

[0086] In this embodiment, a first accessory device is also included and is disposed between the furnace core 9 and the shell 1. The first accessory device is configured to include a feed pipe 2, a discharge pipe 91 and a valve 92.

[0087] In this embodiment, a second accessory device is also included and is disposed between the gas pipe assembly and the housing 1. The first accessory device is configured to include a first blower 6 and a second blower 7.

[0088] In this embodiment, a third accessory device is also included and is disposed between the second accessory device and the housing 1. The third accessory device is configured to include an exhaust pipe 5 and a flame suppressor box 90.

[0089] In this embodiment, a fourth accessory device is also included and disposed between the second accessory device and the housing 1. The fourth accessory device is configured to include a gas collection hood 8.

[0090] The second embodiment of this utility model is based on the first embodiment.

[0091] This utility model has the following features:

[0092] 1. Due to the design of the housing 1, furnace core 9, and gas pipe assembly, the housing 1 provides internal cavity support for the furnace core 9, the gas pipe assembly injects oxygen into the furnace core 9, and the furnace core 9 enables high-temperature combustion of the alumina balls after adsorbent use. This high-temperature roasting process eliminates the adhering substances from the alumina balls after adsorbent use through self-combustion, solving the technical problem of placing the alumina balls after adsorbent use in a heating container fueled by natural gas. Therefore, the reprocessing cost of the alumina balls after adsorbent use is reduced.

[0093] 2. Due to the design of oxygen supply pipe 3 and flue gas supply pipe 4, oxygen gas and high-temperature flue gas can be injected into the furnace core 9.

[0094] 3. Due to the design of feed pipe 2, discharge pipe 91 and valve 92, it is possible to set up alumina ball feeding and discharging channels on the furnace core 9.

[0095] 4. Due to the design of the first blower 6 and the second blower 7, the gas pipeline can be powered to inject oxygen gas and high-temperature flue gas.

[0096] 5. Due to the design of the exhaust pipe 5 and the flame suppressor box 90, the high-temperature flue gas is concentrated.

[0097] 6. Due to the design of the air collection hood 8, atmospheric air can be collected.

[0098] 7. Because the design limits the numerical range of the structural shape, the numerical range is a technical feature in the technical solution of this utility model, and is not a technical feature obtained by formula calculation or by a limited number of experiments. The experiment shows that the technical feature of the numerical range has achieved very good technical effect.

[0099] 8. Due to the design of the technical features of this utility model, and the combined effect of the individual and collective technical features, experiments have shown that the performance indicators of this utility model are at least 1.7 times that of existing performance indicators, and it has been evaluated that it has great market value.

[0100] Other technical features that connect the casing 1, furnace core 9, and gas pipe assembly to the alumina balls after high-temperature roasting for self-combustion to eliminate adhering substances are also embodiments of this utility model. Furthermore, the technical features of the above embodiments can be combined in any way. In order to meet the requirements of the Patent Law, the Implementing Regulations of the Patent Law, and the Examination Guidelines, all possible combinations of the technical features in the above embodiments will not be described.

[0101] Therefore, in the technical field of self-combustion-based alumina ball reprocessing roasting furnace device, any technical content that includes a housing 1 for use as a supporting body, a furnace core 9 disposed in the housing 1, and a gas pipe assembly disposed in the furnace core 9 is within the protection scope of this utility model.

Claims

1. A self-combustion-based calcining furnace for reprocessing alumina balls, characterized in that: It includes a housing (1) for serving as a support, a furnace core (9) disposed within the housing (1), and a gas pipe assembly disposed within the furnace core (9). The gas assembly is configured to include an oxygen supply pipe (3) and a flue gas supply pipe (4). It also includes a first accessory device and is disposed between the furnace core (9) and the shell (1). The first accessory device is configured to include a feed pipe (2), a discharge pipe (91), and a valve (92). It also includes a second accessory device disposed between the gas pipe assembly and the housing (1), and the first accessory device is configured to include a first blower (6) and a second blower (7). It also includes a third accessory device disposed between the second accessory device and the housing (1), the third accessory device being configured to include an exhaust pipe (5) and a flame suppressor (90). It also includes a fourth accessory device and is disposed between the second accessory device and the housing (1). The fourth accessory device is configured to include a gas collection hood (8). A furnace core (9) is installed in the casing (1). An exhaust pipe (5) is installed between the casing (1) and the flame extinguishing box (90). A feed pipe (2), an oxygen supply pipe (3), a flue gas supply pipe (4), and a discharge pipe (91) are installed between the furnace core (9) and the casing (1). A first blower (6) is installed between the flue gas supply pipe (4), the flame extinguishing box (90), and the casing (1). A second blower (7) is installed between the oxygen supply pipe (3), the gas collecting hood (8), and the casing (1). A valve (92) is installed on the discharge pipe (91).

2. The alumina ball reprocessing roasting furnace apparatus based on self-combustion according to claim 1, characterized in that: The casing (1), furnace core (9), and gas pipe assembly are interconnected by means of high-temperature roasting to self-combust and eliminate adhering substances from the alumina balls after the adsorbent is used.

3. The self-combustion-based alumina ball reprocessing roasting furnace device according to claim 2, characterized in that: The furnace core (9) is connected to the casing (1) and gas pipe assembly in accordance with the method of high-temperature combustion of alumina balls after the adsorbent is used.

4. The alumina ball reprocessing roasting furnace apparatus based on self-combustion according to claim 1, characterized in that: The housing (1) is configured to include a housing section (11), a support leg section (12), a connecting rod section (13), a plate section (14), and an isolation plate section I (15). The lower part of the peripheral side of the housing section (11) is configured to connect with the horizontal end of the support leg section (12). The middle part of the right peripheral side of the housing section (11) is configured to connect with the inner end face of the plate section (14). The housing section (11) is configured to be accommodatingly connected to the furnace core (9). One end of the connecting rod section (13) is configured to... The inner wall of the box section (11) is connected to the other end of the connecting rod section (13), which is configured to connect to the peripheral side of the furnace core (9). The upper end face of the box section (11) is configured to be connected to the feed pipe (2) and the oxygen supply pipe (3) in a sleeve-type connection, and the lower end face of the box section (11) is configured to be connected to the discharge pipe (91) in a sleeve-type connection. The lower part of the front and rear peripheral side faces of the box section (11) is configured to be connected to the flue gas supply pipe (4) in a sleeve-type connection, and the right peripheral side face of the box section (11) is configured to be connected to the flue gas supply pipe (4). The lower part is configured to be connected to the exhaust pipe (5) in a sleeve-like manner. The upper end face of the plate part (14) is configured to be connected to the first blower (6) and the second blower (7) respectively, and the lower end face of the plate part (14) is configured to be connected to the flame suppressor box (90). The upper end face of the isolation plate part I (15) is configured to be connected to the upper inner wall of the box part (11), and the lower end face of the isolation plate part I (15) is configured to be spaced apart from the lower inner wall of the box part (11). The left and right sides of the furnace core (9) are arranged to correspond to the furnace core (9). The box part (11) is a rectangular box shape. The support leg part (12) is an L-shaped rod and is arranged at intervals along the periphery outline of the box part (11). The connecting rod part (13) is a rod shape and the plate part (14) and the isolation plate part I (15) are rectangular plates respectively. The isolation plate part I (15) is arranged at intervals along the transverse center line of the box part (11).

5. The self-combustion-based alumina ball reprocessing roasting furnace apparatus according to claim 1, characterized in that: The furnace core (9) is a box-shaped body with a constricted port body (10) in the middle and a tapered port body (19) at the lower end. The constricted port body (10) is a double-flare-hole body with a C-shaped cross section, and the tapered port body (19) is a tapered tube. The furnace core (9) is embedded and connected to the shell (1). The upper port of the furnace core (9) is connected to the feed pipe (2) and the oxygen supply pipe (3) respectively. The upper part of the furnace core (9) is connected to the feed pipe (2) in a receiving manner, and the lower part of the furnace core (9) is connected to the oxygen supply pipe (3) in a receiving manner. The lower end face of the furnace core (9) is connected to the discharge pipe (91) in a communicating manner, and the lower part of the peripheral side of the furnace core (9) is connected to the flue gas supply pipe (4).

6. The self-combustion-based alumina ball reprocessing roasting furnace apparatus according to claim 1, characterized in that: The oxygen supply pipe (3) is configured as an F-shaped cylindrical body, and the vertical part of the oxygen supply pipe (3) is configured to be connected to the shell (1) through the furnace shell (1), the vertical part of the oxygen supply pipe (3) is configured to be connected to the furnace core (9) in a submerged manner, and the horizontal part of the oxygen supply pipe (3) is configured to be connected to the second blower (7). Alternatively, the flue gas pipe (4) can be configured as an F-shaped cylindrical body, with the longitudinal part of the flue gas pipe (4) configured to be connected through the casing (1), the longitudinal port of the flue gas pipe (4) configured to be connected to the furnace core (9), and the transverse part of the flue gas pipe (4) configured to be connected to the first blower (6).

7. The alumina ball reprocessing roasting furnace apparatus based on self-combustion according to claim 1, characterized in that: The first blower (6) is configured as a high-temperature blower, and the lower end of the first blower (6) is configured to be connected to the housing (1). The output port of the first blower (6) is configured to be connected to the flame extinguishing box (90) through a pipe, and the input port of the first blower (6) is configured to be connected to the flue gas pipe (4). Alternatively, the second blower (7) is configured as a high-pressure blower, and the lower end of the second blower (7) is configured to be connected to the housing (1), the output port of the second blower (7) is configured to be connected to the oxygen supply pipe (3), and the input port of the second blower (7) is configured to be connected to the gas collection hood (8) through a pipe. Alternatively, the feed pipe (2) may be configured as a cylindrical body, with its inner end connected to the casing (1) through the casing, and its inner end connected to the furnace core (9) in a recessed manner. Alternatively, the discharge pipe (91) may be configured as a cylindrical body with its inner end connected to the casing (1) through the casing, its inner end connected to the furnace core (9), and its outer end connected to the valve (92). Alternatively, the valve (92) may be configured as a shut-off valve and the port portion of the valve (92) may be configured to connect with the cross-sectional port portion of the discharge pipe (91). Alternatively, the exhaust pipe (5) may be configured as a cylindrical body, with one end of the exhaust pipe (5) configured to be connected in communication with the housing (1), and the other end of the exhaust pipe (5) configured to be connected in communication with the flame suppressor (90). Alternatively, the flame extinguishing box (90) is configured to include a shell portion III (901), an isolation plate portion II (902), an isolation plate portion III (903), and a pipe portion V (904), and the shell portion III (901) is respectively configured to be accommodatingly connected to the isolation plate portion II (902) and the isolation plate portion III (903), the upper end portion of the isolation plate portion II (902) is configured to be connected to the upper inner wall of the shell portion III (901), and the lower end portion of the isolation plate portion II (902) is configured to be connected to the upper inner wall of the shell portion III (901). To create a gap between the partition plate portion III (901) and the lower inner wall of the housing portion III (901), the lower end portion of the partition plate portion III (903) is configured to connect with the lower inner wall of the housing portion III (901), and the upper end portion of the partition plate portion III (903) is configured to create a gap between the partition plate portion III (901) and the upper inner wall of the housing portion III (901). The lower part of the right side surface of the housing portion III (901) is configured to connect with the horizontal end of the tube portion V (904) and is located on the right side of the housing portion III (901). (903) is arranged to correspond to the horizontal port of pipe section V (904). The lower left side of the housing section III (901) is arranged to connect with the exhaust pipe (5). The partition plate section III (903) located on the left side of the housing section III (901) is arranged to correspond to the port of the exhaust pipe (5). The upper end of the housing section III (901) is arranged to be connected to the pipe located on the first blower (6). The end face is connected to the housing (1). The vertical part of the tube part V (904) is configured to be submerged and connected to the flue gas purifier. The housing part III (901) is configured as a rectangular box. The isolation plate parts II (902) and III (903) are configured as rectangular plates. The isolation plate parts II (902) and III (903) are respectively configured to be arranged at intervals along the transverse center line of the housing part III (901). The tube part V (904) is configured as an L-shaped cylindrical body. Alternatively, the gas collection hood (8) is configured as a trapezoidal hopper and the lower open part of the gas collection hood (8) is configured to be connected to the atmospheric air, and the upper top part of the gas collection hood (8) is configured to be connected to the second blower (7) through a pipe.

8. The apparatus for reprocessing and roasting alumina balls based on self-combustion according to any one of claims 1 to 7, characterized in that: The casing (1), furnace core (9), oxygen supply pipe (3), and flue gas supply pipe (4) are arranged in a manner that integrates the furnace body. The casing (1), furnace core (9), oxygen supply pipe (3), and flue gas supply pipe (4) are arranged in a manner that integrates the feed pipe (2), discharge pipe (91), and valve (92). The casing (1), furnace core (9), oxygen supply pipe (3), and flue gas supply pipe (4) are arranged in a manner that integrates the feed pipe (2), discharge pipe (91), and valve (92). The casing (1), furnace core (9), oxygen supply pipe (3), and flue gas supply pipe (4) are arranged in a manner that integrates the second blower (7) and gas collection hood (8). The casing (1), furnace core (9), oxygen supply pipe (3), and flue gas supply pipe (4) are arranged in a manner that integrates the second blower (7) and gas collection hood (8). The casing (1), furnace core (9), oxygen supply pipe (3), and flue gas supply pipe (4) are arranged in a manner that integrates the exhaust pipe (5), flame extinguishing box (90), and first blower (6). The casing (1), furnace core (9), oxygen supply pipe (3), and flue gas supply pipe (4) are arranged in a manner that integrates the exhaust pipe (5), flame extinguishing box (90), and first blower (6). Alternatively, a feed pipe (2), a furnace core (9), a discharge pipe (91), and a valve (92) are configured to form a set of roasting components, and multiple sets of roasting components are configured to be arranged at intervals along the transverse centerline of the shell (1).

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