Solid waste incinerator

Abstract

The present invention relates to the technical field of solid waste treatment, and discloses a solid waste incinerator, comprising a furnace body and a grate disposed within the furnace body, the grate comprising a plurality of arc-shaped plates hingedly or rotatably connected relative to the furnace body, the concave surfaces of the arc-shaped plates being used to receive solid waste, the plurality of arc-shaped plates being arranged side by side along their axial directions, and the plurality of arc-shaped plates being arranged so as to decrease in height in sequence along their axial directions, a first transmission wheel being provided on one side of each arc-shaped plate in contact with the arc-shaped plate, each first transmission wheel being eccentrically connected to a first transmission shaft, the first transmission shaft extending in the direction of arrangement of the arc-shaped plates, the distance d from the axis of the first transmission shaft to each arc-shaped plate increasing and then decreasing in sequence along the direction of arrangement of the arc-shaped plates to form a cycle. The incinerator disclosed by the present invention utilizes the angular displacement operation of the arc-shaped plates to turn over solid waste, thereby ensuring the contact area between the solid waste and the air, and the displacement path of the solid waste is a swinging curve, which can significantly increase its combustion time, thereby achieving full combustion.

Description

Technical Field

[0001] The present invention relates to the technical field of solid waste incineration treatment equipment, in particular to an incinerator for solid waste. Background Art

[0002] Solid waste incinerators are highly efficient waste treatment equipment. By decomposing organic matter at high temperatures, they effectively reduce the volume of solid waste and recover energy. As the core equipment for solid waste incineration, the structural design of the grate furnace is directly related to combustion efficiency and operational stability. Traditional grate furnaces are mainly divided into two categories based on their structural characteristics: fixed grates and movable grates. These two types have significant differences in application scenarios and process performance.

[0003] For small and medium-sized solid waste treatment scenarios, fixed grate furnaces are widely used due to their simple structure and low manufacturing cost. Their typical structure consists of fixed grate plates arranged horizontally or in a stepped pattern to form a continuous combustion surface, with air supplied from the bottom to assist combustion.

[0004] However, there are the following technical defects in actual operation:

[0005] Static grates are unable to effectively break up the dense layer formed by the accumulation of solid waste, resulting in incomplete internal combustion. This is mainly because the pyrolysis gas and residual carbon cannot fully contact the air supplied from the bottom, resulting in incomplete combustion. Summary of the Invention

[0006] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, one object of the present invention is to provide a solid waste incinerator.

[0007] The solid waste incinerator proposed by the present invention includes a furnace body and a grate disposed within the furnace body. The grate includes a plurality of arcuate plates hingedly or rotatably connected relative to the furnace body, so that each arcuate plate can swing to produce angular displacement. The concave surfaces of the arcuate plates are used to receive solid waste. The plurality of arcuate plates are arranged side by side along their axial directions to form a semicircular cylindrical trough, so that solid waste can be burned in the cylindrical trough. The plurality of arcuate plates are arranged so that their heights decrease in sequence along their axial directions, so that the semicircular cylindrical trough is inclined to facilitate the transfer of waste.

[0008] The purpose of this setting is: to distinguish it from the static grate in the traditional structure, the grate in the incinerator is designed to be a movable grate, and the solid waste can be turned over by utilizing the angular displacement operation of the arc plate to ensure the contact area between the solid waste and the air. Moreover, since the arc plate is set on a slope, during the turning process, the solid waste is also displaced axially under the combined action of gravity and turning, thereby realizing the transfer operation of the solid waste.

[0009] Specifically, a first transmission wheel is provided on one side of each curved plate and abuts against the curved plate. Each first transmission wheel is eccentrically connected to a first transmission shaft. The first transmission shaft extends along the arrangement direction of the curved plates. The distance d between the axis of the first transmission shaft and each curved plate increases and then decreases in sequence along the arrangement direction of the curved plates to form a cycle.

[0010] The purpose of such a setting is that, since the first transmission wheel is eccentrically arranged and the distance d is cyclically arranged, when the grate is in a stationary state, the inclination angle of each curved plate increases and then decreases in sequence following the arrangement direction of the curved plates, forming a cycle. When the grate is in operation, the first transmission shaft drives each first transmission wheel to rotate, causing each curved plate to swing. Moreover, due to the different initial inclination angles, the swinging operation of a certain curved plate will have a lagging or leading effect compared with the adjacent curved plates. Therefore, during the transportation of solid waste, its displacement path is a swinging curve, which can significantly increase its combustion time and further ensure sufficient combustion.

[0011] In addition, the curved plate can significantly turn the material over, so that the material is fully in contact with the intake air. Correspondingly, the curved plate is also limited by its shape, which is not conducive to the unfolding and flattening of the material. Therefore, it is only suitable for small-scale grate furnaces.

[0012] In some examples of the present invention, a second transmission wheel is provided on the other side of each curved plate, abutting against the curved plate. Each second transmission wheel is eccentrically connected to a second transmission shaft, and the second transmission shaft also extends along the arrangement direction of the curved plates. The distance d′ between the axis of the second transmission shaft and each curved plate decreases and then increases in sequence along the arrangement direction of the curved plates, forming a cycle.

[0013] The purpose of such a setting is to form support at both ends of the arc plate to prevent the arc plate from moving unstably. Specifically, when the diameter of the first transmission wheel and the second transmission wheel is D, setting d+d′=D is a better solution, so that the swing amplitude of the arc plate can be maintained. When the first transmission wheel drives the arc plate to swing, the second transmission wheel can adapt to the swing amplitude of the arc plate, thereby assisting the swinging operation.

[0014] In some examples of the present invention, a first shaft hole is eccentrically opened on the first transmission wheel, first teeth are formed on the inner wall of the first shaft hole, the first transmission shaft is a gear shaft, and the first transmission shaft sequentially passes through all the first transmission wheels, and the first teeth on adjacent first transmission wheels are meshed with the first transmission shafts step by step;

[0015] A second shaft hole is eccentrically opened on the second transmission wheel, and second teeth are formed on the inner wall of the second shaft hole. The second transmission shaft is a gear shaft. The second transmission shaft passes through all the second transmission wheels in sequence, and the second teeth on adjacent second transmission wheels are meshed with the second transmission shafts step by step.

[0016] The purpose of such a setting is to control the inclination angle between adjacent arc-shaped plates through the teeth so that the difference between the inclination angles is constant, thereby making the displacement speed and swing amplitude of the solid waste more consistent.

[0017] In some examples of the present invention, a first extension arm and a second extension arm are formed on both sides of the arc plate, respectively. The first extension arm and the first transmission wheel are limited by a first groove formed on the two and a first protrusion inserted into the first groove; the second extension arm and the second transmission wheel are limited by a second groove formed on the two and a second protrusion inserted into the second groove.

[0018] The purpose of such a setting is to ensure that the arc plate always swings along with the first transmission wheel and the second transmission wheel through the limiting operation of the groove body and the protrusion, thereby preventing the arc plate from separating from the transmission wheel.

[0019] In some examples of the present invention, all the arc-shaped plates are connected via through holes opened in the middle of the arc-shaped plates and shafts passing through the through holes, so that each arc-shaped plate can undergo angular displacement along the shaft.

[0020] In some examples of the present invention, the shaft body, the first transmission shaft, and the second transmission shaft are arranged in parallel and connected by a support frame.

[0021] The purpose of such arrangement is to connect the three shaft members through the support frame, and then connect other components through the three shaft members, so as to form the grate into a stable overall structure.

[0022] In some examples of the present invention, both ends of the first transmission shaft and the second transmission shaft extend outside the furnace body and are connected to the bearing seat via bearings.

[0023] In some examples of the present invention, the shaft body, the first transmission shaft, and the second transmission shaft are respectively coaxially arranged with their corresponding bearings, and an angle is formed between the axis of the bearing and the axis of the bearing seat.

[0024] The purpose of such arrangement is that: since the shaft body, the first transmission shaft and the second transmission shaft are all arranged following the arc plate and are in an inclined state, in order to enable the bearing to stably assist the three shaft members to rotate, each bearing is arranged to be coaxial with the three shaft members, and the bearing seat needs to be arranged to be relatively fixed on the horizontal plane, so an angle is formed between the axis of the bearing and the axis of the bearing seat.

[0025] In some examples of the present invention, the bearing seat includes a base and a top cover, and a cylindrical groove seat for the bearing to be placed is formed between the base and the top cover, and the cylindrical groove seat is coaxial with the bearing.

[0026] In some examples of the present invention, a solid waste baffle is provided on a side of the grate with a higher height, and a slag discharge plate is provided on a side of the grate with a lower height.

[0027] The purpose of this setting is that the higher side of the grate corresponds to the feed hopper of the furnace body to receive solid waste, the solid waste baffle is used to prevent solid waste from leaving the grate, and the slag discharge plate is used to assist in transporting the slag away from the grate after combustion.

[0028] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief introduction is given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0030] Figure 1 A top view of a solid waste incinerator according to an embodiment of the present invention;

[0031] Figure 2 Attached to the embodiment of the present invention Figure 1 Cross-sectional view at AA;

[0032] Figure 3 A top view of a grate according to an embodiment of the present invention;

[0033] Figure 4 It is a left side view of the grate in the embodiment of the present invention;

[0034] Figure 5 It is a right side view of the grate in the embodiment of the present invention;

[0035] Figure 6 Attached to the embodiment of the present invention Figure 3 Cross-sectional view at BB;

[0036] Figure 7 A top view of a bearing and a bearing seat according to an embodiment of the present invention;

[0037] Figure 8 Attached to the embodiment of the present invention Figure 7 Cross-sectional view at CC;

[0038] Figure 9 Attached to the embodiment of the present invention Figure 3 Cross-sectional view at DD.

[0039] Description of reference numerals:

[0040] Furnace body 1;

[0041] grate 2;

[0042] Arc-shaped plate 21, first extension arm 211, second extension arm 212, first protrusion 213, second protrusion 214, through hole 215, air hole 216;

[0043] First transmission wheel 22, first shaft hole 221, first teeth 222, first slot 223;

[0044] a first transmission shaft 23;

[0045] The second transmission wheel 24 has a second shaft hole 241, second teeth 242, and a second slot 243;

[0046] Second transmission shaft 25;

[0047] Axis 26;

[0048] Support frame 27;

[0049] Bearing seat 28, base 281, top cover 282, cylindrical groove seat 283;

[0050] Bearing 29;

[0051] Solid waste baffle 3;

[0052] Slag discharge plate 4;

[0053] Feed hopper 5. DETAILED DESCRIPTION

[0054] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0055] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, features defined as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0056] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0057] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0058] Reference below Figures 1 to 9 The solid waste incinerator provided by the embodiment of the present invention is shown and described.

[0059] Please see the attached Figure 1 ~Attached Figure 2 , attached Figure 1 This is a top view of a solid waste incinerator, with Figure 2 For attachment Figure 1 In the cross-sectional view at AA, the incinerator includes a furnace body 1 and a grate 2 placed in the furnace body 1. The grate 2 is used to receive solid waste, so that the solid waste is burned on the grate, and the solid waste is transported by the grate so that the solid waste is transferred to different combustion areas and discharged after being burned out.

[0060] Please see the attached Figure 3 ~Attached Figure 5 , attached Figure 3 The top view of the grate is shown in Figure 1. Figure 4 This is the left side view of the grate, Figure 5 This is a right side view of the grate. The grate 2 includes a plurality of curved plates 21 hinged or rotatably connected relative to the furnace body 1, so that each curved plate 21 can swing along its lowest point to produce angular displacement. The plurality of curved plates 21 are arranged side by side along their axial direction to form a concave, semicircular cylindrical groove. The concave cylindrical groove is used to receive solid waste so that the solid waste can be burned in the cylindrical groove.

[0061] See the attached Figure 4 ~Attached Figure 5, a plurality of curved plates 21 are arranged so that their axial heights decrease in sequence, so that the semicircular cylindrical grooves are arranged at an angle to facilitate the transfer of waste. In this embodiment, the curved plates 21 are arranged from left to right, and the heights of the curved plates 21 decrease in sequence from left to right, so that the solid waste is placed on the grate from the left, and is transferred to the right under the swinging operation of the curved plates 21 and the gravity of the solid waste itself, and combustion is performed during the transfer process.

[0062] Please see the attached Figure 6 , for the attached Figure 3 In the cross-sectional view at BB, a first transmission wheel 22 is provided on one side of each curved plate 21, which is in contact with the curved plate 21. Each first transmission wheel 22 is eccentrically connected to the first transmission shaft 23. The first transmission shaft 23 extends along the arrangement direction of the curved plates 21. That is, in this embodiment, the first transmission shaft 23 is also inclined from left to right and is parallel to the inclination direction of the curved plates 21. The distance d from the axis of the first transmission shaft 23 to each curved plate 21 increases and decreases in sequence along the arrangement direction of the curved plates 21 and forms a cycle. That is, the orientation between each first transmission wheel 22 and the corresponding curved plate 21 is inconsistent, so that the distance d is inconsistent, so that all curved plates 21 are formed as shown. Figure 5 The wavy shape shown in FIG, thereby connecting the lowest positions of the concave sides of all the arc-shaped plates 21, will form a Figure 3 The curve Q in

[0063] Thus, when the grate 2 is operating, the first transmission shaft 23 is driven by a power source such as a motor, and the first transmission shaft 23 drives each first transmission wheel 22 to rotate, so that each curved plate 21 is swung, thereby fully stirring the solid waste and achieving sufficient combustion; and due to the different initial inclination angles, the swinging operation of a certain curved plate 21 will have a lagging or leading effect compared with its adjacent curved plate 21. During the transportation of solid waste, its displacement path is curve Q, which can significantly increase its combustion time and further ensure sufficient combustion.

[0064] Please continue to see the attached Figure 3 , Attachment Figure 6 Each arc-shaped plate 21 is provided with an air hole 216 for air to pass through.

[0065] Please continue to see the attached Figure 6, a second transmission wheel 24 is provided on the other side of each curved plate 21, which is in contact with the curved plate 21. Each second transmission wheel 24 is eccentrically connected to the second transmission shaft 25, and the second transmission shaft 25 also extends along the arrangement direction of the curved plates 21. That is, in this embodiment, the second transmission shaft 25 is also inclined from left to right and is parallel to the inclination direction of the curved plates 21. The distance d' from the axis of the second transmission shaft 25 to each curved plate 21 decreases and then increases in sequence along the arrangement direction of the curved plates 21 to form a cycle. That is, when the distance d at one end of the curved plate 21 is at the maximum distance, the distance d' is just at the minimum distance. Therefore, in this embodiment, when the diameters of the first transmission wheel 22 and the second transmission wheel 24 are D, d+d'=D;

[0066] The purpose of doing so is to support both ends of the arc plate 21 to prevent the arc plate 21 from moving unstably. When the grate 2 is in operation, the second transmission shaft 25 is also driven by a power source such as a motor.

[0067] Please continue to see the attached Figure 6 A first shaft hole 221 is eccentrically opened on the first transmission wheel 22, and a first tooth 222 is formed on the inner wall of the first shaft hole 221. The first transmission shaft 23 is a gear shaft. The first transmission shaft 23 sequentially passes through all the first transmission wheels 22, and the first teeth 222 on adjacent first transmission wheels 22 are meshed with the first transmission shaft 23 step by step;

[0068] The step-by-step meshing here means: Figure 6 In the figure, a tooth v of the first transmission wheel 22 corresponding to the current curved plate 21 is engaged with the first transmission shaft 23. Then, the teeth of the curved plates 21 adjacent to the current curved plate 21 on the left and right sides corresponding to the tooth v are v′ and v″, that is, the teeth v′ and v″ are rotated to the sides by the angular displacement β and β′ of one tooth relative to the tooth v before engaging with the first transmission shaft 23.

[0069] Please continue to see the attached Figure 6 A second shaft hole 241 is eccentrically opened on the second transmission wheel 24, and a second tooth 242 is formed on the inner wall of the second shaft hole 241. The second transmission shaft 25 is a gear shaft. The second transmission shaft 25 sequentially passes through all the second transmission wheels 24, and the second teeth 242 on adjacent second transmission wheels 24 are meshed with the second transmission wheels 24 step by step;

[0070] Likewise, the step-by-step meshing here is the same as the meshing between the first transmission wheels 22 and the first transmission shaft 23 .

[0071] Please continue to see the attached Figure 6A first extension arm 211 and a second extension arm 212 are formed on both sides of the arc-shaped plate 21, respectively. The first extension arm 211 and the first transmission wheel 22 are limited by a first groove 223 formed on the first extension arm 211 and the first protrusion 213 fitted into the first groove 223; the second extension arm 212 and the second transmission wheel 24 are limited by a second groove 243 formed on the second extension arm 212 and the second transmission wheel 24.

[0072] Specifically, in this embodiment, the first protrusion 213 is formed at the lower end of the first extension arm 211, and the first groove body 223 is an annular groove, which is opened on the edge side of the first transmission wheel 22. When the first transmission wheel 22 rotates, the first groove body 223 limits the first protrusion 213; the second protrusion 214 is formed at the lower end of the second extension arm 212, and the second groove body 243 is also an annular groove, which is opened on the edge side of the second transmission wheel 24. When the second transmission wheel 24 rotates, the second groove body 243 limits the second protrusion 214.

[0073] Please continue to see the attached Figure 6 All the arc plates 21 are connected via a through hole 215 opened in the middle of the arc plate 21 and a shaft 26 passing through the through hole 215 , so that each arc plate 21 can undergo angular displacement along the shaft 26 .

[0074] Please continue to see the attached Figure 4 ~Attached Figure 5 The shaft 26, the first transmission shaft 23 and the second transmission shaft 25 are arranged in parallel and connected by a support frame 27. There are two support frames 27, which are located on both sides of the grate 2. In order to adapt to the structure of the grate 2 with the left side higher and the right side lower, the left support frame 27 is as follows: Figure 4 As shown in FIG. 2, the support frame 27 on the right is higher. Figure 5 Shown lower.

[0075] Please continue to see the attached Figure 1 Both ends of the first transmission shaft 23 and the second transmission shaft 25 extend outside the furnace body 1 and are connected to the bearing seat 28 through bearings 29.

[0076] Please continue to see the attached Figure 7 ~Attached Figure 8 , attached Figure 7 The top view of the bearing and bearing seat is shown in the figure below. Figure 8 For attachment Figure 7 In the cross-sectional view taken at CC, the shaft body 26, the first transmission shaft 23, and the second transmission shaft 25 are respectively coaxially arranged with their corresponding bearings 29. An included angle a is formed between the axis L of the bearing 29 and the axis L' of the bearing seat 28. That is, the bearing 29 is coaxial with the three shaft members but not with the bearing seat 28. This is to accommodate the tilted arrangement of the three shaft members.

[0077] The first transmission shaft 23 and the second transmission shaft 25 extend to the outside of the furnace body 1 , are driven by the universal joint, and are then driven by the motor to rotate.

[0078] Please see the attached Figure 9 , for the attached Figure 3 In the cross-sectional view at DD, the bearing seat 28 includes a base 281 and a top cover 282 . A cylindrical groove seat 283 for the bearing 29 to be placed is formed between the base 281 and the top cover 282 . The cylindrical groove seat 283 is coaxially arranged with the bearing 29 .

[0079] Please see the attached Figure 3 A solid waste baffle 3 is provided on the side of the grate 2 with a higher height. The side of the grate 2 with a higher height corresponds to the feed hopper 5 of the furnace body 1. The solid waste baffle 3 is used to block the material to prevent the solid waste from leaving the grate 2. A slag discharge plate 4 is provided on the side with a lower height. The slag discharge plate 4 is used to assist the slag after combustion to be transported away from the grate 2.

[0080] Other components of the solid waste incinerator according to the embodiment of the present invention, such as the feed hopper and the like, and operations are well known to those skilled in the art and will not be described in detail here.

[0081] Throughout this specification, references to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" indicate that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, illustrative uses of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0082] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to the embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the claims and their equivalents.

Claims

1. A solid waste incinerator comprising a furnace body and a grate disposed within the furnace body, characterized in that: The grate includes a plurality of arc-shaped plates hinged or rotatably connected relative to the furnace body, the concave surfaces of the arc-shaped plates are used to receive solid waste, the plurality of arc-shaped plates are arranged in parallel along their axial directions, and the plurality of arc-shaped plates are arranged so that their heights decrease in sequence along their axial directions, a first transmission wheel abutting against the arc-shaped plate is provided on one side of each arc-shaped plate, each of the first transmission wheels is eccentrically connected to a first transmission shaft, the first transmission shaft extends along the arrangement direction of the arc-shaped plates, and a distance d from the axis of the first transmission shaft to each arc-shaped plate increases and then decreases in sequence along the arrangement direction of the arc-shaped plates to form a cycle; A second transmission wheel is provided on the other side of each of the curved plates, abutting against the curved plates. Each of the second transmission wheels is eccentrically connected to a second transmission shaft, which also extends along the arrangement direction of the curved plates. A distance d′ between the axis of the second transmission shaft and each of the curved plates decreases and then increases in sequence along the arrangement direction of the curved plates, forming a cycle. All the arc-shaped plates are connected via a through hole opened in the middle of the arc-shaped plate and a shaft passing through the through hole, so that each of the arc-shaped plates can undergo angular displacement along the shaft.

2. The solid waste incinerator according to claim 1, characterized in that: A first shaft hole is eccentrically opened on the first transmission wheel, and first teeth are formed on the inner wall of the first shaft hole. The first transmission shaft is a gear shaft, and the first transmission shaft passes through all the first transmission wheels in sequence, and the first teeth on adjacent first transmission wheels are meshed with the first transmission shaft in stages. A second shaft hole is eccentrically opened on the second transmission wheel, and second teeth are formed on the inner wall of the second shaft hole. The second transmission shaft is a gear shaft, and the second transmission shaft passes through all the second transmission wheels in sequence. The second teeth on adjacent second transmission wheels are meshed with the second transmission shafts in stages.

3. The solid waste incinerator according to claim 1 or 2, characterized in that: A first extension arm and a second extension arm are formed on both sides of the arc plate respectively. The first extension arm and the first transmission wheel are limited by a first groove formed on both and a first protrusion inserted into the first groove; the second extension arm and the second transmission wheel are limited by a second groove formed on both and a second protrusion inserted into the second groove.

4. The solid waste incinerator according to claim 1, characterized in that: The shaft body, the first transmission shaft and the second transmission shaft are arranged in parallel and connected by a support frame.

5. The solid waste incinerator according to claim 1 or 2, characterized in that: Both ends of the first transmission shaft and the second transmission shaft extend outside the furnace body and are connected to the bearing seat via bearings.

6. The solid waste incinerator according to claim 5, characterized in that: The shaft body, the first transmission shaft, and the second transmission shaft are respectively coaxially arranged with the corresponding bearings, and an angle is formed between the axis of the bearing and the axis of the bearing seat.

7. The solid waste incinerator according to claim 6, characterized in that: The bearing seat includes a base and a top cover, and a cylindrical groove seat for the bearing to be placed is formed between the base and the top cover, and the cylindrical groove seat is coaxial with the bearing.

8. The solid waste incinerator according to claim 1 or 2, characterized in that: A solid waste baffle is provided on the side of the grate with a higher height, and a slag discharge plate is provided on the side with a lower height.

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