CN220870880U - RDF incineration treatment device - Google Patents

Abstract

The application provides an RDF incineration treatment device, which relates to the technical field of fuel incineration and comprises an incinerator, a collecting furnace, a cleaning structure and a blowing structure, wherein a material bearing plate is arranged on the inner side of the bottom of the incinerator; the fixed part comprises a motor, and the top of the motor is in transmission connection with a transmission shaft lever; the technical key points are as follows: the motor is used for controlling the connecting cap to rotate, so that the connecting cap drives the two cleaning shafts to rotate, and the plurality of discharging holes are matched with the plurality of balls on the roller sleeve.

Description

RDF incineration treatment device

Technical Field

The utility model relates to the technical field of fuel incineration, in particular to an RDF incineration treatment device.

Background

Refuse derived fuel, RDF, is mainly produced by crushing, sorting, drying, adding chemicals, compression molding, etc. combustible refuse. The RDF fuel has the characteristics of uniform size and uniform heat value, the heat value of the garbage can be improved by about 4 times by a molding process, and the garbage can be stored for 6-10 months at normal temperature without decay. RDF fuel has the characteristics of high heat value, stable combustion, easy transportation, easy storage, low secondary pollution, low emission of dioxin substances and the like. The fuel can be used as main raw material for combustion alone or in combination with coal and fuel oil according to boiler process requirements.

The prior incinerator for solid waste treatment with the publication number of CN219530872U is characterized in that a cast iron screen plate is welded at the lower side of the inside of the incinerator body, and is used for intercepting and putting in solid waste, so that the solid waste is combusted in the incinerator body, exhaust pipes are integrally arranged at the left side and the right side of the upper part of the incinerator body respectively, and are used for being connected with external air supply equipment or exhaust equipment, so that air is conveniently conveyed into the incinerator or combusted flue gas is conveniently discharged.

However, in the process of implementing the above technical solution, the following technical problems are found in the above technical solution:

Cast iron plate net in the existing solid waste treatment incinerator can intercept put solid waste to enable the waste to burn in the incinerator body, but when the waste finishes incineration work, the waste is inconvenient to clear from the cast iron plate net, and the burnt waste is extremely easy to form no carbon ash and cannot fall into an ash collecting hopper from the plate net, so that the incineration work of fuel is finally affected.

Disclosure of utility model

In order to overcome the defect that the cast iron plate net of the existing solid waste treatment incinerator is inconvenient to clean from the cast iron plate net after the received waste finishes incineration, and the burnt waste is extremely easy to fall into an ash collecting hopper from the plate net because no carbon ash is formed, and finally the incineration of fuel is influenced, the RDF incineration treatment device provided by the embodiment of the application has the advantages that the cleaning structure is arranged on the inner side of the bottom of the incinerator, the connecting cap on the cleaning structure is arranged on the top of the material bearing plate, the motor can control the connecting cap to rotate through the transmission shaft rod, the connecting cap is utilized to drive the two cleaning shaft rods to rotate, the plurality of discharging holes are matched with the plurality of ball heads on the roller sleeve, and when the roller sleeve rotates outside the cleaning shaft rods, the ball heads press out RDF fuel waste accumulated inside the discharging holes, so that air is conveniently provided for the subsequent supplement of RDF fuel combustion.

The technical scheme adopted by the embodiment of the application for solving the technical problems is as follows:

the RDF incineration treatment device comprises an incinerator, a collecting furnace, a sweeping structure and a sweeping structure, wherein the incinerator is used for supporting RDF fuel to perform combustion;

The collecting furnace is arranged at the bottom of the incinerator;

The cleaning structure is arranged at the bottom of the incinerator;

the purging structure is arranged at the top of the collecting furnace;

The top of the incinerator is provided with a feeding hopper, the inner side of the bottom of the incinerator is provided with a material bearing plate, the top of the material bearing plate is cleaned by the cleaning structure to complete burning RDF fuel, the top of the material bearing plate is supplemented with air by the cleaning structure, and RDF fuel dust is guided to fall into the collecting furnace from the top to the periphery of the bottom.

In one possible implementation, the sweeping structure comprises a fixed part and a rotating part, the fixed part providing a rotational force for the rotating part, the rotating part exerting a pressure on top of the carrier plate.

In a possible implementation manner, the rotating part comprises a connecting cap, two sides of the connecting cap are fixedly connected with a cleaning shaft rod, a roller sleeve is connected to the outer part of the cleaning shaft rod in a sleeved mode, a plurality of ball heads are machined on the outer wall of the roller sleeve, a plurality of discharging holes are machined in the material bearing plate, a plurality of discharging Kong Duozu are arranged, each group is formed by arranging a plurality of discharging holes at equal intervals into a strip shape, and a plurality of discharging holes on a group are respectively located in the plurality of discharging holes, so that when the connecting cap drives the cleaning shaft rod to rotate, the roller sleeve rotates outside the cleaning shaft rod.

In one possible implementation manner, the cross section of the unloading hole is isosceles trapezoid, the narrow opening end of the unloading hole is located at the bottom of the material bearing plate, and the inner diameter of the narrow opening end of the unloading hole is larger than the diameter of the ball head.

In one possible implementation, the fixing part comprises a motor, a transmission shaft rod is connected to the top of the motor in a transmission mode, and one end of the transmission shaft rod penetrates through the center of the material bearing plate, extends into the connecting cap and is connected with the bottom of the connecting cap in a fitting mode.

In one possible implementation manner, the inside of the connecting cap is in interference fit with a bearing, a backing ring is machined in the center of the top of the material bearing plate, the bearing is connected to the outside of the transmission shaft rod in a sleeved mode, and the backing ring is supported at the bottom of the bearing inner ring, so that a gap is reserved between the bearing and the top end of the material bearing plate.

In a possible implementation manner, the purging structure comprises a fan and a wind control frame, a cavity is formed in the wind control frame, a plurality of purging ports are formed in the top of the wind control frame, a plurality of limiting grooves and an air inlet are formed in the bottom of the wind control frame, the air inlet is communicated with the cavity in the wind control frame, the fan is connected to the outer wall of the middle of the collecting furnace in an assembling mode, and outside air is pumped into the cavity through the air inlet.

In one possible implementation manner, a plurality of limiting blocks are machined on the inner wall of the top of the collecting furnace, a plurality of limiting grooves on the wind control frame are respectively connected with the outside of the limiting blocks in a plug-in mode, the motor is connected with the top of the wind control frame in an assembling mode, and the transmission shaft rod is connected with the inside of the wind control frame in a rotating mode.

In one possible implementation manner, a dustproof cylinder is welded at the bottom of the air control frame, a plurality of air outlets are processed at the center of the bottom of the air control frame, an air collecting cylinder is connected at the bottom of the dustproof cylinder in an assembling manner, a plurality of air outlets are all positioned on the inner side of the dustproof cylinder, and a plurality of air outlets encircle the periphery of the motor.

In one possible implementation manner, the top of the gas cylinder is provided with a wiring port, the inner wall of the bottom of the wiring port is connected with a first foam block in a sticking mode, the bottom of the dustproof cylinder is provided with an opening, the inner wall of the top of the opening is connected with a second foam block in a sticking mode, and the surface of the first foam block is attached to the surface of the second foam block.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. In the scheme, the cleaning structure is arranged on the inner side of the bottom of the incinerator, the connecting cap on the cleaning structure is arranged at the top of the material bearing plate, the motor can control the connecting cap to rotate through the transmission shaft rod, the connecting cap is utilized to drive the two cleaning shaft rods to rotate, the ball heads are matched with the ball heads on the rollers by virtue of the plurality of discharging holes, and when the rollers rotate outside the cleaning shaft rods, RDF fuel waste accumulated inside the discharging holes is extruded by the ball heads, so that air is conveniently provided for the subsequent supplement of RDF fuel combustion;

2. In this scheme, through the accuse wind frame that receives fan conveying air in the inboard setting of collecting furnace, make the air blow out from the top of a plurality of purge mouths on the one hand, when providing oxygen for the RDF fuel combustion at loading plate top to prevent dust and piece to drop the inside of accuse wind frame, on the other hand a plurality of air outlet inside shunts, blow out to the inside of gas cylinder through dustproof section of thick bamboo inboard, motor all around, can avoid the dust to pile up around the motor.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view showing the internal structure of the collecting furnace according to the present utility model;

FIG. 3 is a schematic view of the purge and sweep structures of the present utility model;

FIG. 4 is an exploded view of the purge structure and sweep structure of the present utility model;

FIG. 5 is a left side view of the carrier plate of the present utility model;

FIG. 6 is an enlarged schematic view of portion A of FIG. 5 in accordance with the present utility model;

FIG. 7 is a schematic view of a wind control stand according to the present utility model;

Fig. 8 is a schematic structural view of the wind control stand and the collecting furnace in a disconnected state.

Description of the drawings:

1. Feeding into a hopper; 2. an incinerator; 3. a purge structure; 301. a blower; 302. a wind control frame; 303. a wiring port; 304. a limit groove; 305. a purge port; 306. a dust-proof cylinder; 307. a gas cylinder; 308. a first foam block; 309. an air inlet; 310. a second foam block; 311. an air outlet; 4. a collection furnace; 5. a material bearing plate; 6. a discharge hole; 7. a cleaning structure; 701. a connecting cap; 702. cleaning a shaft lever; 703. a rolling sleeve; 704. ball head; 705. a transmission shaft lever; 706. a motor; 8. a backing ring; 9. and a limiting block.

Detailed Description

The technical scheme in the embodiment of the application aims to solve the problems of the background technology, and the general thought is as follows:

Example 1:

The embodiment introduces a specific structure of the RDF incineration treatment device, and specifically referring to fig. 1-8, the RDF incineration treatment device comprises an incinerator 2 for supporting RDF fuel to perform combustion, a collecting furnace 4 arranged at the bottom of the incinerator 2, a sweeping structure 7 arranged at the bottom of the incinerator 2 and a sweeping structure 3 arranged at the top of the collecting furnace 4, a feeding hopper 1 is processed at the top of the incinerator 2, a material bearing plate 5 is arranged on the inner side of the bottom of the incinerator 2, the sweeping structure 7 comprises a fixed part and a rotating part, the fixed part provides rotating force for the rotating part, and the rotating part applies pressure on the top of the material bearing plate 5;

As shown in fig. 2 and 3, the rotating part comprises a connecting cap 701, both sides of the connecting cap 701 are fixedly connected with a cleaning shaft lever 702, the outside of the cleaning shaft lever 702 is connected with a roller 703 in a sleeved mode, the outer wall of the roller 703 is processed with a plurality of ball heads 704, and the inside of the material bearing plate 5 is processed with a plurality of discharge holes 6;

As shown in fig. 3 and 4, the fixing part comprises a motor 706, the top of the motor 706 is in transmission connection with a transmission shaft lever 705, and one end of the transmission shaft lever 705 passes through the center of the material bearing plate 5, extends into the connecting cap 701 and is in assembly connection with the bottom of the connecting cap 701;

Wherein, a plurality of discharge holes 6 are arranged in a plurality of groups, each group is formed by a plurality of discharge holes 6 which are arranged in a strip shape at equal intervals, a plurality of discharge holes 6 on one group are respectively positioned in the plurality of discharge holes 6, and the roller 703 is used as

When the connecting cap 701 is controlled by the transmission shaft lever 705 to drive the two cleaning shaft levers 702 to rotate, the ball head 704 is matched with the discharging hole 6 to limit the roller 703 to slide on the surface of the material bearing plate 5, so that the roller 703 can rotate outside the cleaning shaft levers 702 when the connecting cap 701 drives the cleaning shaft levers 702 to rotate;

Secondly, as shown in fig. 3, the discharging hole 6 is arranged into a circular table groove with an isosceles trapezoid cross section, so that the narrow opening end of the discharging hole 6 is positioned at the bottom of the material bearing plate 5, and as shown in fig. 5, the inner diameter of the narrow opening end of the discharging hole 6 is larger than the diameter of the ball head 704, and the ball head 704 can penetrate through the inside of the material bearing plate 5 through the discharging hole 6, so that RDF fuel blocked in the inside of the discharging hole 6 is extruded, and the cleaning work is performed;

Further, in order to reduce the resistance of the connecting cap 701 to drive the two cleaning shafts 702 to rotate, as shown in fig. 4, a bearing is in interference fit with the inside of the connecting cap 701, a backing ring 8 is processed in the center of the top of the material bearing plate 5, the bearing is connected to the outside of the transmission shaft 705 in a sleeved mode, the backing ring 8 is supported at the bottom of the bearing inner ring, so that a gap is reserved between the bearing and the top of the material bearing plate 5, and interference between the bearing and the top of the material bearing plate 5 is avoided;

Wherein, purge structure 3 supplements the air to the top of loading board 5, after purge structure 7 cleans the RDF fuel of accomplishing the burning at the top of loading board 5, makes fuel dust and piece drop to the bottom of loading board 5 from discharge opening 6, and the air that supplements to loading board 5 top can guide RDF fuel dust to drop to the inside of collecting furnace 4 all around from the top to the bottom.

By adopting the technical scheme:

According to the design, the cleaning structure 7 is arranged on the inner side of the bottom of the incinerator 2, the connecting cap 701 on the cleaning structure 7 is arranged on the top of the material bearing plate 5, when RDF fuel is added from the feeding 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 lever 705, the connecting cap 701 drives the two cleaning shaft levers 702 to rotate, the plurality of discharging holes 6 processed in the material bearing plate 5 are matched with the plurality of ball heads 704 on the outer wall of the roller 703, when the roller 703 rotates outside the cleaning shaft levers 702, the ball heads 704 can press out RDF fuel waste accumulated in the discharging holes 6, the follow-up continuous supplement of RDF fuel to the top of the material bearing plate 5 is facilitated, and the guarantee that the purging structure 3 continuously passes through the inside of the discharging holes 6 for RDF fuel combustion is provided, and the condition that RDF fuel for combustion after combustion is completed cannot be blocked inside the discharging holes 6 is avoided.

Example 2:

Based on embodiment 1, the specific structure of the purging structure 3 is described in this embodiment, as shown in fig. 3, fig. 4, fig. 7 and fig. 8, the purging structure 3 includes a fan 301 and a wind control frame 302, a cavity is processed in the wind control frame 302, a plurality of purging ports 305 are processed at the top of the wind control frame 302, and a plurality of limiting grooves 304 and an air inlet 309 are processed at the bottom around the wind control frame 302;

Wherein, the air inlet 309 is communicated with the cavity inside the air control frame 302, the fan 301 is connected to the outer wall of the middle part of the collecting furnace 4 in an assembling way, when the collecting furnace 4 works, external air can be pumped into the cavity through the air inlet 309, so that the air is conveyed from the inside of a plurality of blowing openings 305 at the top of the cavity to the top, the air can pass through the inside of a plurality of discharging holes 6 on the material bearing plate 5, and fragments and dust falling from the plurality of discharging holes 6 to the bottom are dropped from the periphery of the air control frame 302 to the bottom in the area which is not covered by the plurality of blowing openings 305 at the top of the air control frame 302, and finally the collection is completed in the collecting furnace 4;

Secondly, in order to facilitate the installation of the wind control frame 302 on the inner side of the collecting furnace 4, the motor 706 is installed on the bottom of the wind control frame 302, the condition that the wind control frame 302 rotates can not occur in the process that the motor 706 controls the rotation of the transmission shaft lever 705, as shown in fig. 8, a plurality of limiting blocks 9 are processed on the inner wall of the top of the collecting furnace 4, and a plurality of limiting grooves 304 on the wind control frame 302 are respectively connected with the outer parts of the limiting blocks 9 in a plug-in mode, so that the transmission shaft lever 705 is rotatably connected in the wind control frame 302 and does not influence the wind control frame 302;

Further, in order to prevent dust falling from the plurality of discharging holes 6 to the bottom from affecting the motor 706, as shown in fig. 4 and 7, a dust-proof cylinder 306 is welded to the bottom of the wind-control frame 302, so that the dust-proof cylinder 306 is sleeved outside the motor 706 to form protection;

Meanwhile, as shown in fig. 7, a plurality of air outlets 311 are processed at the center of the bottom of the air control frame 302, and the bottom of the dustproof barrel 306 is connected with the air collection barrel 307 in an assembling manner, so that the plurality of air outlets 311 are all positioned at the inner side of the dustproof barrel 306, the plurality of air outlets 311 encircle the periphery of the motor 706, and air conveyed by the fan 301 to the inner part of the cavity of the air control frame 302 can be led out by the air outlets 311, so that the air is blown out from the bottom of the air collection barrel 307, and dust can be prevented from entering the inner side of the dustproof barrel 306 from the air collection barrel 307;

Further, in order to facilitate the wire of the motor 706 being led out from the inside of the dustproof barrel 306, as shown in fig. 4 and 7, the wire outlet 303 is formed at the top of the gas cylinder 307, the first foam block 308 is attached to the bottom inner wall of the wire outlet 303, the second foam block 310 is attached to the bottom inner wall of the opening formed at the bottom of the dustproof barrel 306, and when the wire is passed through the inside of the wire outlet 303, the surface of the first foam block 308 is attached to the surface of the second foam block 310, and then the first foam block 308 and the second foam block 310 can be adapted to the shape of the wire, thereby restricting the dust from entering the inside of the dustproof barrel 306 from the periphery of the wire.

The specific operation steps are as follows:

S1, conveying RDF fuel from a feeding hopper 1 to the inside of an incinerator 2, accumulating the RDF fuel on the top of a material bearing plate 5, and conveying air to the top by a fan 301 through a plurality of purging ports 305 on a wind control frame 302, so that the air passes through the inside of a plurality of discharging holes 6 for combustion of the RDF fuel;

S2, enabling dust and fragments generated by RDF fuel after combustion to fall to the bottom through a plurality of discharge holes 6, starting a motor 706, controlling a connecting cap 701 to rotate through a transmission shaft lever 705, enabling the connecting cap 701 to drive two cleaning shaft levers 702 to rotate, enabling the ball levers 704 to press out RDF fuel waste accumulated in the discharge holes 6 by means of the cooperation of the plurality of discharge holes 6 machined in the material bearing plate 5 and a plurality of ball heads 704 on the outer wall of a roller sleeve 703 when the roller sleeve 703 rotates outside the cleaning shaft levers 702;

S3, dust and chips falling to the bottom fall from outside the coverage area of the plurality of purge holes 305 on the air control frame 302, pass through the periphery of the air control frame 302 and blow air to the bottom by virtue of the plurality of air outlets 311 at the bottom of the air control frame 302, so that when the dust and the chips are collected in the collecting furnace 4, the dust is limited to be accumulated outside the motor 706 from the air collecting cylinder 307 and the air control frame 302.

By adopting the technical scheme:

According to the design, the air control frame 302 for receiving air conveyed by the fan 301 is arranged on the inner side of the collecting furnace 4, so that air is blown out from the tops of the blowing openings 305 at the tops of the air control frame 302, oxygen is provided for RDF fuel combustion at the tops of the material bearing plates 5, dust and debris are prevented from falling into the air control frame 302, on the other hand, the air is split from the inside of the air outlets 311 at the bottom of the air control frame 302, and is blown out from the inner side of the dustproof barrel 306 and the periphery of the motor 706 to the inside of the air collecting barrel 307, so that dust can be prevented from accumulating around the motor 706, and the service life of the motor 706 is influenced.

Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present utility model and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.

Claims (10)

1. An rdf incineration treatment apparatus, comprising:

   An incinerator (2) for supporting RDF fuel for combustion;

   A collection furnace (4) which is arranged at the bottom of the incinerator (2);

   a cleaning structure (7) provided at the bottom of the incinerator (2);

   a purge structure (3) provided on top of the collection furnace (4);

   The top processing of burning furnace (2) has into hopper (1), the inboard of burning furnace (2) bottom is provided with holds flitch (5), clean structure (7) and clean the RDF fuel of accomplishing the burning at the top of holding flitch (5), purge structure (3) supply air to the top of holding flitch (5), guide RDF fuel dust from top to bottom all around drop to the inside of collecting furnace (4).
2. 2. The RDF incineration disposal apparatus according to claim 1, wherein: the sweeping structure (7) comprises a fixed part and a rotating part, wherein the fixed part provides a rotating force for the rotating part, and the rotating part applies pressure on the top of the material bearing plate (5).
3. 3. The RDF incineration disposal apparatus according to claim 2, wherein: the rotary part comprises a connecting cap (701), two sides of the connecting cap (701) are fixedly connected with a cleaning shaft lever (702), a rolling sleeve (703) is connected to the outer part of the cleaning shaft lever (702) in a sleeved mode, a plurality of ball heads (704) are machined on the outer wall of the rolling sleeve (703), and a plurality of discharging holes (6) are machined in the material bearing plate (5);

   Wherein, a plurality of discharge holes (6) multiunit sets up, and every group is by the equidistant bar of arranging of a plurality of discharge holes (6), and a plurality of on a set discharge holes (6) are located the inside of a plurality of discharge holes (6) respectively, make when connecting cap (701) drive and clean axostylus axostyle (702) and rotate, make roller sleeve (703) rotate in the outside of cleaning axostylus axostyle (702).
4. 4. An RDF incineration disposal apparatus as claimed in claim 3, characterised in that: the section of the discharging hole (6) is isosceles trapezoid, and the narrow opening end of the discharging hole (6) is positioned at the bottom of the material bearing plate (5);

   Wherein the inner diameter of the narrow opening end of the discharging hole (6) is larger than the diameter of the ball head (704).
5. 5. An RDF incineration disposal apparatus as claimed in claim 3, characterised in that: the fixed part comprises a motor (706), and a transmission shaft lever (705) is connected to the top of the motor (706) in a transmission way;

   One end of the transmission shaft lever (705) penetrates through the center of the material bearing plate (5), stretches into the connecting cap (701), and is connected with the bottom of the connecting cap (701) in a fitting mode.
6. 6. The RDF incineration disposal apparatus according to claim 5, wherein: the inside of the connecting cap (701) is in interference fit with a bearing, and a backing ring (8) is processed in the center of the top of the material bearing plate (5);

   the bearing is connected to the outside of the transmission shaft lever (705) in a sleeved mode, and the backing ring (8) is supported at the bottom of the bearing inner ring, so that a gap is reserved between the bearing and the top end of the material bearing plate (5).
7. 7. The RDF incineration disposal apparatus according to claim 5, wherein: the purging structure (3) comprises a fan (301) and a wind control frame (302), a cavity is formed in the wind control frame (302), a plurality of purging ports (305) are formed in the top of the wind control frame (302), and a plurality of limiting grooves (304) and an air inlet (309) are formed in the bottom of the periphery of the wind control frame (302);

   The air inlet (309) is communicated with a cavity in the air control frame (302), the fan (301) is connected to the outer wall of the middle of the collecting furnace (4) in an assembling mode, and external air is pumped into the cavity through the air inlet (309).
8. 8. The RDF incineration disposal apparatus according to claim 7, wherein: a plurality of limiting blocks (9) are processed on the inner wall of the top of the collecting furnace (4);

   The wind control frame (302) is characterized in that a plurality of limiting grooves (304) are respectively connected to the outside of a plurality of limiting blocks (9) in a plug-in mode, a motor (706) is connected to the top of the wind control frame (302) in an assembled mode, and a transmission shaft lever (705) is connected to the inside of the wind control frame (302) in a rotary mode.
9. 9. The RDF incineration disposal apparatus according to claim 7, wherein: the bottom of the air control frame (302) is welded and connected with a dustproof cylinder (306), a plurality of air outlets (311) are formed in the center of the bottom of the air control frame (302), and the bottom of the dustproof cylinder (306) is connected with an air collecting cylinder (307) in an assembling manner;

   the air outlets (311) are all located on the inner side of the dustproof barrel (306), and the air outlets (311) encircle the periphery of the motor (706).
10. 10. The RDF incineration disposal apparatus according to claim 9, wherein: the top of the gas cylinder (307) is provided with a wiring port (303), the inner wall of the bottom of the wiring port (303) is connected with a first foam block (308) in a sticking mode, the bottom of the dustproof cylinder (306) is provided with an opening, and the inner wall of the top of the opening is connected with a second foam block (310) in a sticking mode;

    Wherein the surface of the first foam block (308) is attached to the surface of the second foam block (310).