RDF incineration treatment device

Abstract

The present application provides an RDF incineration processing device, which relates to the field of fuel incineration technology, including an incinerator, a collection furnace, a cleaning structure and a purge structure. A material receiving plate is provided on the inner side of the bottom of the incinerator, and the cleaning structure includes a fixed part and a rotating part. The rotating part includes a connecting cap, and both sides of the connecting cap are fixedly connected to a cleaning shaft rod, and the outside of the cleaning shaft rod is sleeve-connected to a rolling sleeve, and the outer wall of the rolling sleeve is processed with multiple ball heads, and the inside of the material receiving plate is processed with multiple discharge holes; the fixed part includes a motor, and the top of the motor is transmission-connected to a transmission shaft rod; its technical points are: the motor uses the transmission shaft rod to control the rotation of the connecting cap, so that the connecting cap drives the two cleaning shaft rods to rotate, and the multiple discharge holes cooperate with the multiple ball heads on the rolling sleeve. When the rolling sleeve rotates outside the cleaning shaft rod, the ball heads can press out the RDF fuel waste accumulated inside the discharge hole, and the multiple discharge holes on the material receiving plate will not be blocked.

Description

Technical Field

[0001] The present invention relates to the technical field of fuel incineration, in particular to an RDF incineration processing device. Background Art

[0002] Refuse-derived fuel (RDF) is primarily produced by crushing, sorting, drying, adding reagents, and compression molding combustible waste. RDF fuel is characterized by uniform size and calorific value. The molding process increases the calorific value of the waste by approximately four times. It can be stored at room temperature for 6 to 10 months without rotting. RDF fuel boasts high calorific value, stable combustion, ease of transportation and storage, low secondary pollution, and low dioxin emissions. This fuel can be burned alone as the primary raw material or, depending on boiler process requirements, mixed with coal or fuel oil.

[0003] An existing Chinese patent document publication number CN219530872U is a solid waste treatment incinerator. A cast iron mesh plate is welded on the lower side of the inner part of the incinerator body. The cast iron mesh plate is used to intercept the solid waste thrown into the incinerator body so that the solid waste is burned in the incinerator body. Exhaust pipes are integrated on the left and right sides of the upper part of the incinerator body respectively. The exhaust pipes are used to connect to external air supply equipment or exhaust equipment, so as to facilitate the supply of air into the incinerator or the discharge of combustion smoke.

[0004] However, in the process of implementing the above technical solution, it was found that the above technical solution had the following technical problems:

[0005] The cast iron mesh in the existing solid waste treatment incinerator can intercept the solid waste put in and make the waste burn in the incinerator body. However, when the waste is burned, it is not convenient to remove it from the cast iron mesh. It is very easy for the burned waste to not form carbon ash and fall from the mesh into the ash hopper, which ultimately affects the combustion of the fuel. Summary of the Invention

[0006] In order to overcome the shortcomings of the existing solid waste treatment incinerator's cast iron mesh that it is inconvenient to remove the received waste from the cast iron mesh after the incineration work is completed, and it is very easy for the burned waste to not form carbon ash and fall into the ash collecting hopper from the mesh, which ultimately affects the incineration of the fuel, the embodiment of the present application provides an RDF incineration treatment device. By setting a cleaning structure on the inner side of the bottom of the incinerator, and setting the connecting cap on the cleaning structure on the top of the material receiving plate, the motor can control the rotation of the connecting cap through the transmission shaft, and use the connecting cap to drive the two cleaning shafts to rotate. With the help of multiple discharge holes and multiple ball heads on the roller sleeve, when the roller sleeve rotates outside the cleaning shaft, the ball head presses out the RDF fuel waste accumulated inside the discharge hole, so as to provide air for the subsequent replenishment of RDF fuel combustion.

[0007] The technical solution adopted by the embodiment of the present application to solve the technical problem is:

[0008] The RDF incineration processing device includes an incinerator, a collection furnace, a cleaning structure and a purge structure. The incinerator is used to support the combustion of RDF fuel;

[0009] The collection furnace is set at the bottom of the incinerator;

[0010] Clean the bottom of the incinerator where the structure is set;

[0011] The purge structure is arranged on the top of the collecting furnace;

[0012] Among them, the top of the incinerator is processed with a hopper, and the inner side of the bottom of the incinerator is provided with a receiving plate. The cleaning structure cleans the burned RDF fuel on the top of the receiving plate, and the purge structure replenishes air to the top of the receiving plate to guide the RDF fuel dust to fall from the top to the bottom and into the interior of the collection furnace.

[0013] In a possible implementation, the cleaning structure includes a fixed part and a rotating part, the fixed part provides a rotational force for the rotating part, and the rotating part applies pressure on the top of the material receiving plate.

[0014] In one possible implementation, the rotating part includes a connecting cap, both sides of which are fixedly connected to a cleaning shaft, the outside of the cleaning shaft is sleeve-connected to a rolling sleeve, the outer wall of the rolling sleeve is processed with multiple ball heads, the interior of the receiving plate is processed with multiple unloading holes, and the multiple unloading holes are arranged in groups, each group is composed of several unloading holes arranged in strips at equal intervals, and the several unloading holes in a group are respectively located inside the multiple unloading holes, so that when the connecting cap drives the cleaning shaft to rotate, the rolling sleeve rotates outside the cleaning shaft.

[0015] In a possible implementation, the cross-section of the discharge hole is an isosceles trapezoid, the narrow end of the discharge hole is located at the bottom of the receiving plate, and the inner diameter of the narrow end of the discharge hole is larger than the diameter of the ball head.

[0016] In one possible implementation, the fixed part includes a motor, the top of the motor is transmission-connected to a transmission shaft, one end of the transmission shaft passes through the center of the material receiving plate, extends into the interior of the connecting cap, and is assembled and connected to the bottom of the connecting cap.

[0017] In one possible implementation, a bearing is interference fit inside the connecting cap, a gasket is machined at the center of the top of the receiving plate, the bearing is sleeve-connected to the outside of the transmission shaft, and the gasket is supported on the bottom of the bearing inner ring, leaving a gap between the bearing and the top of the receiving plate.

[0018] In one possible implementation, the purge structure includes a fan and an air control frame, the interior of the air control frame is processed with a cavity, the top of the air control frame is processed with multiple purge ports, the bottom around the air control frame is processed with multiple limit grooves and an air inlet, the air inlet is connected to the cavity inside the air control frame, and the fan is assembled and connected to the outer wall in the middle of the collection furnace to draw the outside air into the interior of the cavity through the air inlet.

[0019] In one possible implementation, a plurality of limit blocks are machined on the top inner wall of the collection furnace, a plurality of limit slots on the air control frame are respectively plug-connected to the outside of the plurality of limit blocks, the motor is assembled and connected to the top of the air control frame, and the transmission shaft is rotatably connected to the inside of the air control frame.

[0020] In one possible implementation, the bottom of the wind control frame is welded with a dustproof cylinder, a plurality of air outlets are processed at the center of the bottom of the wind control frame, the bottom of the dustproof cylinder is assembled with an air collecting cylinder, the plurality of air outlets are all located on the inner side of the dustproof cylinder, and the plurality of air outlets surround the motor.

[0021] In one possible implementation, a wiring opening is formed on the top of the gas collecting cylinder, and a first foam block is glued to the bottom inner wall of the wiring opening. An opening is formed on the bottom of the dustproof cylinder, and a second foam block is glued to the top inner wall of the opening. The surface of the first foam block is in contact with the surface of the second foam block.

[0022] The beneficial effects of this application are:

[0023] First, in this solution, a cleaning structure is provided on the inner side of the bottom of the incinerator, and a connecting cap on the cleaning structure is provided on the top of the receiving plate. The motor can control the rotation of the connecting cap through the transmission shaft, and the connecting cap drives the two cleaning shafts to rotate. With the help of multiple discharge holes and multiple ball heads on the roller sleeve, when the roller sleeve rotates outside the cleaning shaft, the ball heads press out the RDF fuel waste accumulated inside the discharge holes, thereby facilitating the supply of air for the subsequent combustion of the RDF fuel.

[0024] Secondly, in this solution, an air control frame that receives air delivered by the fan is set on the inner side of the collecting furnace, so that on the one hand, air is blown out from the top of multiple purge ports to provide oxygen for the combustion of RDF fuel on the top of the receiving plate and prevent dust and debris from falling into the interior of the air control frame. On the other hand, the air is diverted inside the multiple air outlets and blown out to the inside of the air collecting cylinder through the inner side of the dustproof cylinder and the surroundings of the motor, which can avoid dust accumulation around the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 This is a schematic diagram of the internal structure of the collecting furnace of the present invention;

[0027] Figure 3 It is a structural schematic diagram of the purge structure and the cleaning structure of the present invention;

[0028] Figure 4 An exploded view of the purge structure and the cleaning structure of the present invention;

[0029] Figure 5 It is a left side view of the material receiving plate of the present invention;

[0030] Figure 6 For the present invention Figure 5 A magnified schematic diagram of part A in the middle;

[0031] Figure 7 It is a structural schematic diagram of the wind control frame of the present invention;

[0032] Figure 8 This is a structural diagram of the present invention when the air control frame is disconnected from the collecting furnace. Description of the drawings:

[0034] 1. Feed into the hopper;

[0035] 2. Incinerator;

[0036] 3. Purge structure; 301. Fan; 302. Air control frame; 303. Wiring port; 304. Limiting slot; 305. Purge port; 306. Dustproof cylinder; 307. Air collecting cylinder; 308. First foam block; 309. Air inlet; 310. Second foam block; 311. Air outlet;

[0037] 4. Collection furnace;

[0038] 5. Material receiving plate;

[0039] 6. Discharge hole;

[0040] 7. Cleaning structure; 701. Connecting cap; 702. Cleaning shaft; 703. Roller sleeve; 704. Ball head; 705. Transmission shaft; 706. Motor;

[0041] 8. Gasket;

[0042] 9. Limit block. DETAILED DESCRIPTION

[0043] The technical solution in the embodiments of the present application is to solve the problems of the above-mentioned background technology, and the overall idea is as follows:

[0044] Example 1:

[0045] This embodiment introduces the specific structure of the RDF incineration treatment device. Figures 1-8As shown, it includes an incinerator 2 for supporting RDF fuel for combustion, a collecting furnace 4 arranged at the bottom of the incinerator 2, a cleaning structure 7 arranged at the bottom of the incinerator 2, and a purge structure 3 arranged at the top of the collecting furnace 4. The top of the incinerator 2 is processed with a hopper 1, and the inner side of the bottom of the incinerator 2 is provided with a receiving plate 5. The cleaning structure 7 includes a fixed part and a rotating part. The fixed part provides rotational force for the rotating part, and the rotating part applies pressure on the top of the receiving plate 5.

[0046] like Figure 2 and Figure 3 As shown, the rotating part includes a connecting cap 701, and both sides of the connecting cap 701 are fixedly connected to a cleaning shaft 702. The outer surface of the cleaning shaft 702 is connected to a roller sleeve 703 in a sleeve-type manner. The outer wall of the roller sleeve 703 is processed with multiple ball heads 704, and the interior of the receiving plate 5 is processed with multiple discharge holes 6.

[0047] And as Figure 3 and Figure 4 As shown, the fixed part includes a motor 706, the top of the motor 706 is connected to a transmission shaft 705 in a transmission manner, one end of the transmission shaft 705 passes through the center of the receiving plate 5 and extends into the interior of the connecting cap 701, and is assembled and connected to the bottom of the connecting cap 701;

[0048] Among them, multiple discharge holes 6 are arranged in groups, each group is composed of several discharge holes 6 arranged in strips at equal intervals, and the several discharge holes 6 in one group are respectively located inside the multiple discharge holes 6. When the roller sleeve 703

[0049] When the connecting cap 701 is controlled by the transmission shaft 705 to drive the two cleaning shafts 702 to rotate, the ball head 704 cooperates with the discharge hole 6 to limit the sliding of the rolling sleeve 703 on the surface of the receiving plate 5. When the connecting cap 701 drives the cleaning shafts 702 to rotate, the rolling sleeve 703 can rotate outside the cleaning shafts 702;

[0050] Secondly, if Figure 3 As shown, the discharge hole 6 is set to a truncated cone groove with an isosceles trapezoidal cross section, so that the narrow end of the discharge hole 6 is located at the bottom of the receiving plate 5, and as shown in FIG. Figure 5 As shown, the inner diameter of the narrow end of the discharge hole 6 is made larger than the diameter of the ball head 704, ensuring that the ball head 704 can pass through the discharge hole 6 and into the interior of the receiving plate 5, thereby squeezing out the RDF fuel blocked inside the discharge hole 6, thereby performing the cleaning work;

[0051] Furthermore, in order to reduce the resistance of the connection cap 701 to the rotation of the two cleaning shafts 702, as shown in FIG. Figure 4As shown, the inner part of the connecting cap 701 is interference-fitted with a bearing, and a backing ring 8 is machined at the center of the top of the receiving plate 5. The bearing is sleeve-connected to the outside of the transmission shaft 705. The backing ring 8 is supported on the bottom of the inner ring of the bearing, so that a gap is left between the bearing and the top of the receiving plate 5 to avoid interference between the bearing and the top of the receiving plate 5.

[0052] Among them, the purge structure 3 replenishes air to the top of the receiving plate 5. When the cleaning structure 7 completes cleaning the burned RDF fuel on the top of the receiving plate 5, the fuel dust and debris fall from the discharge hole 6 to the bottom of the receiving plate 5. The air replenished to the top of the receiving plate 5 can guide the RDF fuel dust to fall from the top to the bottom and around to the inside of the collection furnace 4.

[0053] By adopting the above technical solutions:

[0054] The above design sets a cleaning structure 7 on the inner side of the bottom of the incinerator 2, and sets the connecting cap 701 on the cleaning structure 7 on the top of the receiving plate 5. After RDF fuel is added from the hopper 1 to the inside of the incinerator 2 for combustion, the motor 706 controls the connecting cap 701 to rotate through the transmission shaft 705, so that the connecting cap 701 drives the two cleaning shafts 702 to rotate. With the help of the multiple discharge holes 6 processed inside the receiving plate 5 and the multiple ball heads 704 on the outer wall of the rolling sleeve 703, when the rolling sleeve 703 rotates outside the cleaning shaft 702, the ball heads 704 can press out the RDF fuel waste accumulated inside the discharge hole 6, so as to facilitate the subsequent continuous replenishment of RDF fuel to the top of the receiving plate 5, and ensure that the air transported by the purge structure 3 to the inside of the collecting furnace 4 continuously passes through the inside of the discharge hole 6, providing protection for the combustion of RDF fuel, and preventing the RDF fuel that has been completely burned from being blocked inside the discharge hole 6.

[0055] Example 2:

[0056] Based on Example 1, this example introduces the specific structure of the purge structure 3, such as Figure 3 , soil 4, Figure 7 and Figure 8 As shown, the purge structure 3 includes a fan 301 and an air control frame 302. The air control frame 302 has a cavity formed inside, a plurality of purge ports 305 formed on the top of the air control frame 302, and a plurality of limiting grooves 304 and an air inlet 309 formed on the bottom of the air control frame 302.

[0057] The air inlet 309 is connected to the cavity inside the air control frame 302, and the fan 301 is assembled and connected to the outer wall of the middle part of the collecting furnace 4. When the collecting furnace 4 is working, the outside air can be sucked into the interior of the cavity through the air inlet 309, so that the air is transported from the inside of the multiple purge ports 305 at the top of the cavity to the top, so that the air can pass through the inside of the multiple discharge holes 6 on the receiving plate 5, and the debris and dust falling from the multiple discharge holes 6 to the bottom will fall to the area around the top of the air control frame 302 that is not covered by the multiple purge ports 305, and fall from the surrounding areas of the air control frame 302 to the bottom, and finally be collected inside the collecting furnace 4.

[0058] Secondly, in order to facilitate the installation of the wind control frame 302 to the inner side of the collecting furnace 4, the motor 706 is installed at the bottom of the wind control frame 302. When the motor 706 controls the transmission shaft 705 to rotate, the wind control frame 302 will not rotate. Figure 8 As shown, the top inner wall of the collecting furnace 4 is processed with multiple limit blocks 9, and the multiple limit grooves 304 on the air control frame 302 are respectively plug-connected to the outside of the multiple limit blocks 9, so that the transmission shaft 705 is rotatably connected to the inside of the air control frame 302 without affecting the air control frame 302;

[0059] Furthermore, in order to prevent the dust falling from the multiple discharge holes 6 to the bottom from affecting the motor 706, as shown in FIG. Figure 4 and Figure 7 As shown, a dustproof cylinder 306 is welded to the bottom of the wind control frame 302, so that the dustproof cylinder 306 is sleeved on the outside of the motor 706 to form protection;

[0060] At the same time, if Figure 7 As shown, multiple air outlets 311 are machined at the center of the bottom of the air control frame 302, and the air collecting cylinder 307 is assembled and connected to the bottom of the dustproof cylinder 306, so that the multiple air outlets 311 are all located inside the dustproof cylinder 306. The multiple air outlets 311 surround the motor 706. The air delivered by the fan 301 to the interior of the air control frame 302 cavity can be guided by the air outlets 311, so that the air is blown out from the bottom of the air collecting cylinder 307, which can prevent dust from entering the inner side of the dustproof cylinder 306 from the air collecting cylinder 307.

[0061] Furthermore, in order to facilitate the extraction of the cable of the motor 706 from the inner side of the dustproof cylinder 306, as shown in FIG. Figure 4 and Figure 7As shown, a wiring port 303 is processed at the top of the air collecting cylinder 307, and a first foam block 308 is glued to the bottom inner wall of the wiring port 303, and a second foam block 310 is glued to the top inner wall of the opening processed at the bottom of the dustproof cylinder 306. When the cable passes through the inside of the wiring port 303 and the surface of the first foam block 308 fits with the surface of the second foam block 310, the first foam block 308 and the second foam block 310 can adapt to the shape of the cable, thereby limiting dust from entering the inner side of the dustproof cylinder 306 from around the cable.

[0062] The specific steps are as follows:

[0063] S1, RDF fuel is transported from the hopper 1 to the interior of the incinerator 2, so that the RDF fuel is accumulated on the top of the receiving plate 5, and the fan 301 transports air to the top through the multiple purge ports 305 on the air control frame 302, so that the air passes through the interior of the multiple discharge holes 6 for combustion of the RDF fuel;

[0064] S2: Dust and debris generated by the burned RDF fuel fall to the bottom through the multiple discharge holes 6. The motor 706 is started, and the connecting cap 701 is controlled to rotate via the transmission shaft 705, so that the connecting cap 701 drives the two cleaning shafts 702 to rotate. The multiple discharge holes 6 machined inside the receiving plate 5 cooperate with the multiple ball heads 704 on the outer wall of the rolling sleeve 703. When the rolling sleeve 703 rotates outside the cleaning shafts 702, the ball heads 704 press out the RDF fuel waste accumulated inside the discharge holes 6;

[0065] S3. The dust and debris falling to the bottom pass through the four sides of the air control frame 302 and fall to the bottom outside the coverage area of ​​the multiple purge ports 305 on the air control frame 302. At the same time, air is blown toward the bottom with the help of the multiple air outlets 311 at the bottom of the air control frame 302. When the dust and debris are collected inside the collection furnace 4, the dust is prevented from accumulating outside the motor 706 from the air collecting cylinder 307 and the air control frame 302.

[0066] By adopting the above technical solutions:

[0067] The above design sets an air control frame 302 on the inner side of the collecting furnace 4 to receive the air delivered by the fan 301, so that on the one hand, the air is blown out from the top of the multiple purge ports 305 on the top of the air control frame 302, providing oxygen for the combustion of RDF fuel on the top of the material receiving plate 5 and preventing dust and debris from falling into the interior of the air control frame 302; on the other hand, the air is diverted from the multiple air outlets 311 at the bottom of the air control frame 302, and blown out to the interior of the air collecting cylinder 307 through the inner side of the dustproof cylinder 306 and the surrounding areas of the motor 706, which can prevent dust from accumulating around the motor 706 and affecting the service life of the motor 706.

[0068] Finally, it should be noted that the above embodiments are merely examples for the purpose of illustrating the present invention and are not intended to limit the embodiments. Those skilled in the art will readily appreciate that other variations or modifications based on the above description are possible. It is not necessary and impossible to provide an exhaustive list of all embodiments. However, obvious variations or modifications arising therefrom remain within the scope of protection of the present invention.

Claims

1. RDF incineration treatment device, characterized in that: include: an incinerator (2) for supporting the combustion of RDF fuel; A collecting furnace (4) is arranged at the bottom of the incinerator (2); a cleaning structure (7) disposed at the bottom of the incinerator (2); a purge structure (3) disposed on the top of the collecting furnace (4); The top of the incinerator (2) is provided with a hopper (1), the inner side of the bottom of the incinerator (2) is provided with a receiving plate (5), the cleaning structure (7) cleans the burned RDF fuel on the top of the receiving plate (5), and the purge structure (3) replenishes air to the top of the receiving plate (5), guiding the RDF fuel dust to fall from the top to the bottom and into the interior of the collection furnace (4); The cleaning structure (7) comprises a fixed part and a rotating part, wherein the fixed part provides a rotational force for the rotating part, and the rotating part applies pressure on the top of the material receiving plate (5); The rotating part comprises a connecting cap (701), both sides of the connecting cap (701) are fixedly connected to a cleaning shaft (702), the outside of the cleaning shaft (702) is sleeve-connected to a rolling sleeve (703), the outer wall of the rolling sleeve (703) is processed with a plurality of ball heads (704), and the interior of the receiving plate (5) is processed with a plurality of discharge holes (6); The plurality of discharge holes (6) are arranged in groups, each group being composed of a plurality of discharge holes (6) arranged in a strip shape at equal intervals, and the plurality of discharge holes (6) in a group are respectively on the receiving plate (5), so that when the connecting cap (701) drives the cleaning shaft (702) to rotate, the roller sleeve (703) rotates outside the cleaning shaft (702); The cross section of the discharge hole (6) is an isosceles trapezoid, and the narrow end of the discharge hole (6) is located at the bottom of the receiving plate (5); wherein the inner diameter of the narrow end of the discharge hole (6) is larger than the diameter of the ball head (704); The fixed part includes a motor (706), and the top of the motor (706) is connected to a transmission shaft (705) in a transmission manner; One end of the transmission shaft (705) passes through the center of the material receiving plate (5), extends into the interior of the connecting cap (701), and is assembled and connected to the bottom of the connecting cap (701).

2. The RDF incineration treatment device according to claim 1, characterized in that: The connection cap (701) has a bearing in an interference fit inside, and a backing ring (8) is machined at the center of the top of the receiving plate (5); The bearing is sleeve-connected to the outside of the transmission shaft (705), and the backing ring (8) is supported on the bottom of the inner ring of the bearing, so that a gap is left between the bearing and the top of the receiving plate (5).

3. The RDF incineration treatment device according to claim 1, characterized in that: The purge structure (3) comprises a fan (301) and an air control frame (302); a cavity is formed inside the air control frame (302); a plurality of purge ports (305) are formed on the top of the air control frame (302); and a plurality of limiting grooves (304) and an air inlet (309) are formed around the bottom of the air control frame (302); The air inlet (309) is connected to the cavity inside the air control frame (302), and the fan (301) is assembled and connected to the outer wall of the middle part of the collecting furnace (4) to draw the outside air into the cavity through the air inlet (309).

4. The RDF incineration treatment device according to claim 3, characterized in that: The top inner wall of the collecting furnace (4) is processed with a plurality of limit blocks (9); The plurality of limit slots (304) on the wind control frame (302) are plug-connected to the outside of the plurality of limit blocks (9), the motor (706) is assembled and connected to the top of the wind control frame (302), and the transmission shaft (705) is rotatably connected to the inside of the wind control frame (302).

5. The RDF incineration treatment device according to claim 3, characterized in that: The bottom of the wind control frame (302) is welded to a dustproof cylinder (306), a plurality of air outlets (311) are machined at the center of the bottom of the wind control frame (302), and the bottom of the dustproof cylinder (306) is assembled to a gas collecting cylinder (307); The plurality of air outlets (311) are all located on the inner side of the dustproof cylinder (306), and the plurality of air outlets (311) surround the motor (706).

6. The RDF incineration device according to claim 5, characterized in that: The top of the gas collecting cylinder (307) is processed with a wiring opening (303), the bottom inner wall of the wiring opening (303) is connected with a first foam block (308) by adhesive bonding, and the bottom of the dustproof cylinder (306) is processed with an opening, the top inner wall of the opening is connected with a second foam block (310) by adhesive bonding; The surface of the first foam block (308) is in contact with the surface of the second foam block (310).

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