CN216989139U - Large garbage recycling treatment system - Google Patents

Abstract

The utility model discloses a resource treatment system for major garbage, which comprises: the waste is passed in sequence through a crushing unit, a screening unit and a forming unit on a transport mechanism so that the bulk waste can be disposed of as recyclable raw material particles. The screening unit can relatively separate the crushed heavy materials and the crushed light materials and can relatively separate the crushed heavy materials and the crushed light materials from metal substances, so that the substances finally obtained by the whole system are non-metal heavy objects such as recoverable raw material particles, metal pieces, wood and the like, and the three substances can be recycled as renewable resources, so that the aims of recycling garbage, saving energy and reducing emission can be fulfilled. And the purification unit can further crush and separate metal and nonmetal heavy objects, so that the particle size of the treated metal is effectively reduced, and materials such as cloth and sponge wound on the metal can be better sheared and separated from the metal, so that the purity of the metal is improved.

Description

Large garbage recycling treatment system

Technical Field

The utility model relates to the field of garbage treatment, in particular to a large garbage recycling treatment system.

Background

Large pieces of waste, which means waste with a weight of more than 5kg or a volume of more than 0.2m3 or a unidirectional length of more than 1m, are strong in integrity and may be recycled or disposed after being crushed. The processing mode of current major possession rubbish mainly is that the manual work is disassembled or simple breakage, however, the manual work is disassembled inefficiency, and because major possession rubbish size structure difference is great, hardly realizes standardized operation, and is very strong like the spring wholeness in the mattress moreover, disassembles the inconvenient transportation of back. The existing large garbage crushing operation has the following defects:

1. after the crushing, the metal and the textile are not completely separated and still wound together;

2. after crushing, the timber is not completely separated from the textile, and the timber is burnt along with the textile, so that a large amount of high-quality timber is wasted;

3. the treatment efficiency is poor, the size of the final garbage is large, and the incineration efficiency is not high;

4. among the prior art, the treatment to furniture class major possession rubbish mainly uses the breakage to subtract the volume as the owner, leads to the crushed aggregates of various materials such as metal, timber, plastics, sponge, filler to be in the same place, is unfavorable for the classified recovery of crushed aggregates of later stage.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a resource treatment system for large garbage, which can separate and recover metals and non-metal substances in the garbage.

The large garbage recycling system according to the first aspect of the utility model comprises: the device comprises a conveying mechanism, a crushing unit, a screening unit, a recovery unit, a purification unit and a forming unit; the conveying mechanism can drive materials to move to the conveying mechanism, and the conveying mechanism can crush the materials into heavy materials and light materials; the transportation mechanism can convey the crushed materials to the screening unit; the conveying mechanism comprises a first conveying group and a second conveying group, and the screening unit can relatively separate heavy materials and light materials and convey the heavy materials and the light materials to the first conveying group and the second conveying group respectively; the first transportation group can transport the heavy materials to the recovery unit for recovery; the purification unit is arranged on the first transportation group and is positioned between the screening unit and the recovery unit, and the purification unit can crush the heavy materials and separate metals in the heavy materials; the second transport group is capable of transporting the light material to the forming unit, and the forming unit is capable of pressing the light material into recyclable raw material particles.

The large garbage recycling treatment system provided by the embodiment of the utility model at least has the following beneficial effects: the waste is passed in sequence through a crushing unit, a screening unit and a forming unit on a transport mechanism so that the bulk waste can be disposed of as recyclable raw material particles. The screening unit can relatively separate the crushed heavy materials and the crushed light materials and can relatively separate the crushed heavy materials and the crushed light materials from metal substances, so that the substances finally obtained by the whole system are non-metal heavy objects such as recoverable raw material particles, metal pieces, wood and the like, and the three substances can be recycled as renewable resources, so that the aims of recycling garbage, saving energy and reducing emission can be fulfilled. And the purification unit can further crush and separate metal and nonmetal heavy objects, so that the particle size of the treated metal is effectively reduced, and materials such as cloth and sponge wound on the metal can be better sheared and separated from the metal, so that the effect of improving the purity of the separated metal is achieved. The large garbage recycling system can effectively introduce large garbage into market economy and then drive more enterprises to participate in large garbage disposal, so that a complete and independent solution supply chain is formed domestically, large garbage can be effectively disposed, benefits can be brought to enterprises, and economic development is promoted. The large garbage enters a virtuous cycle of generation and treatment, thereby really protecting the environment and benefiting the society.

According to some embodiments of the utility model, the purification unit comprises a plurality of iron removal devices and crushing devices, the first transport group comprises a first transport section, a second transport section, and a third transport section; at least one of the plurality of iron removal devices is arranged on the first transportation section and can drive metal in heavy materials on the first transportation section to move to the crushing device; the second transportation section is connected with the crushing device, at least one of the plurality of iron removal devices is arranged on the second transportation section and can drive metal in the material crushed by the crushing device to move to a third transportation section, and the first transportation section, the second transportation section and the third transportation section are connected with the recovery unit.

According to some embodiments of the utility model, the crushing device comprises a multi-shaft crusher located below the first transport section, the iron removal device being capable of dropping metal in the heavy material down to the multi-shaft crusher and performing crushing work.

According to some embodiments of the utility model, the iron removal device comprises a mounting frame, and a rotary belt and a magnetic separator are arranged on the mounting frame; the rotary belt is provided with a material stirring boss, and the magnetic separator can adsorb ferromagnetic metal on the rotary belt so that the material stirring boss can stir the material; the mounting rack is provided with a passageway through which the material shifting boss can pass.

According to some embodiments of the utility model, the crushing unit comprises a double-shaft crusher and a double-shaft crusher, the transport mechanism sequentially passing through the double-shaft crusher and the four-shaft crusher, the double-shaft crusher being capable of coarse crushing of the material and the four-shaft crusher being capable of fine crushing of the material.

According to some embodiments of the utility model, the screening unit comprises a vibrating screen and an air separation machine, the transport mechanism passing through the vibrating screen and the air separation machine in sequence.

According to some embodiments of the utility model, the air separation machine comprises a vibrating feeder, a separation cabin and an adsorption device; the vibrating feeder is connected with the conveying mechanism, the vibrating feeder and the adsorption device are communicated to the upper portion of the separation cabin, the lower portion of the separation cabin is connected with the conveying mechanism, and at least one inner side wall staggered with the movement direction of the garbage is arranged in the separation cabin.

According to some embodiments of the utility model, a return channel is connected to the sieving unit, via which return channel the heavy material and/or the light material of the metalliferous material can be moved to the crushing unit.

According to some embodiments of the utility model, the forming unit comprises a homogenizing box and a pelletizer, the transporting mechanism passes through the homogenizing box and the pelletizer in sequence, and the pelletizer can press the light materials after separating the iron-containing substances into RDF fuel particles.

According to some embodiments of the present invention, the apparatus further comprises a dust removal system, wherein at least one of the crushing unit, the screening unit, the purifying unit and the forming unit is connected with a dust removal pipeline, and the dust removal system can reduce dust generated in the processing process through the dust removal pipeline.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a large garbage recycling system according to an embodiment of the present invention;

FIG. 2 is a schematic view of a purification unit of the bulk waste reclamation system shown in FIG. 1;

FIG. 3 is a schematic view of an iron removing device of the large garbage recycling system shown in FIG. 1;

FIG. 4 is a schematic view of a twin shaft crusher of the bulk waste reclamation system shown in FIG. 1;

FIG. 5 is a schematic view of a four-axis crusher of the bulk waste reclamation system shown in FIG. 1;

fig. 6 is a schematic diagram of an air distribution machine of the large garbage recycling system shown in fig. 1.

Reference numerals: 100 is a transport mechanism, 130 is a second transport group, 140 is a first transport group, 143 is a first transport section, 145 is a second transport section, 147 is a third transport section;

200 is a crushing unit, 230 is a double-shaft crusher, 231 is a first frame, 232 is a first sealed cabin, 233 is a first crushing zone, 234 is an arc swager, 235 is a first crushing roller, 236 is a first motor, 270 is a four-shaft crusher, 271 is a second frame, 272 is a second sealed cabin, 273 is a second crushing zone, 275 is a second crushing roller, and 276 is a second motor;

300 is a screening unit, 310 is a vibrating feeder, 320 is a separation cabin, 330 is an adsorption device, 340 is a fan and 350 is a support frame;

400 is a crushing device;

500 is a dust removing device, 550 is a dust removing pipeline;

600 is a molding unit;

700 is an iron removal device, 710 is a driving motor, 720 is a transmission chain, 730 is a rotary belt, 735 is a material stirring boss, 740 is a magnetic separator, 750 is a mounting rack, and 755 is a passage;

and 900 is a purification unit.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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 thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1, a large garbage recycling system includes: a transportation mechanism 100, a crushing unit 200, a sieving unit 300, a recovery unit, a purification unit 900, and a molding unit 600; the conveying mechanism 100 can drive the materials to move to the conveying mechanism 100, and the conveying mechanism 100 can crush the materials into heavy materials and light materials; the transport mechanism 100 can transport the crushed material to the sieving unit 300; the transportation mechanism 100 comprises a first transportation group 140 and a second transportation group 130, the screening unit 300 is capable of relatively separating and transporting heavy material and light material to the first transportation group 140 and the second transportation group 130, respectively; the first transport group 140 is capable of transporting the heavy materials to a recovery unit for recovery; the refining unit 900 is disposed on the first transport group 140 and between the sieving unit 300 and the recovery unit, and the refining unit 900 can crush the heavy materials and separate metals from the heavy materials; the second transporting group 130 can transport the light material to the forming unit 600, and the forming unit 600 can compress the light material into recyclable raw material particles. The waste is sequentially passed through the crushing unit 200, the sieving unit 300 and the forming unit 600 on the transporting mechanism 100, so that the large pieces of waste can be treated into recyclable raw material particles. The screening unit 300 can relatively separate not only the crushed heavy materials and light materials, but also the heavy materials and light materials from the metal substances, so that the substances finally obtained by the whole system are non-metal heavy objects such as recoverable raw material particles, metal pieces, wood and the like, and the three substances can be recycled as renewable resources, thereby achieving the purposes of recycling garbage, saving energy and reducing emission. In addition, the purification unit 900 can further crush and separate metal and nonmetal heavy objects, so as to effectively reduce the particle size of the processed metal, and further better shear and separate materials such as cloth and sponge wound on the metal from the metal, thereby achieving the effect of improving the purity of the separated metal. The large garbage recycling system can effectively introduce large garbage into market economy and then drive more enterprises to participate in large garbage disposal, so that a complete and independent solution supply chain is formed domestically, large garbage can be effectively disposed, benefits can be brought to enterprises, and economic development is promoted. The large garbage enters a virtuous cycle of generation and treatment, thereby really protecting the environment and benefiting the society.

Specifically, referring to fig. 1, the transport mechanism 100 includes a conveyor, a chain plate machine, and a transfer forklift, which are respectively located at both ends of a conveyor belt. The chain trigger can carry out the material loading to large-scale rubbish, and two transport fork trucks are then convenient for transport the raw materials granule after concentrated vanning. The conveyor can be a conveying mechanism such as a transmission belt and a shifting fork conveying line.

In certain embodiments, referring to fig. 2, purification unit 900 includes a plurality of iron removal devices 700 and crushing devices 400, first transport group 140 includes first transport section 143, second transport section 145, and third transport section 147; at least one of the plurality of iron removal devices 700 is arranged on the first transportation section 143 and can drive the metal in the heavy material on the first transportation section 143 to move to the crushing device 400; the second transportation section 145 is connected with the crushing device 400, at least one of the plurality of iron removal devices 700 is arranged on the second transportation section 145 and can drive the metal in the material crushed by the crushing device 400 to move to the third transportation section 147, and the first transportation section 143, the second transportation section 145 and the third transportation section 147 are connected with the recovery unit. The iron removal device 700 can primarily separate the metal substances in the heavy materials, so that the rest of the non-metal objects can be recycled from the rear part of the first transportation section 143 in advance. Crushing device 400 then can carry out crushing and shearing once more with the metallics of separating and attached to materials such as the sponge of winding on the metallics, cloth to reduce the granularity of metal effectively and cut into pieces non-metallics such as sponge, cloth, and then be convenient for deironing device 700 separates the material such as sponge, cloth from the surface of metal better. Subsequently, the second transportation section 145 and the third transportation section 147 can transport the separated metallic substances and non-metallic substances, respectively, so as to facilitate the recycling of the two.

In certain embodiments, referring to fig. 2, the crushing device 400 comprises a multi-shaft crusher located below the first transport section 143, and the iron removal device 700 is capable of dropping the metal in the heavy material to the multi-shaft crusher and performing the crushing operation. When the crushing shafts in the multi-shaft crusher rotate, the cutting edge structures between the crushing shafts can extrude and cut the space between the crushing shafts, so that heavy materials falling between the crushing shafts are effectively crushed, the particle size of metal substances and the volume of nonmetal substances such as sponge and cloth are reduced, and the follow-up operation of separating the metal substances from the nonmetal substances is facilitated.

Specifically, there are three iron removing devices 700, and the three iron removing devices 700 are respectively disposed at the first transportation section 143, the second transportation section 145, and the first transportation group 140, and perform metal separation and recovery operations on the three.

In some embodiments, referring to fig. 3, the iron removing device 700 comprises a mounting rack 750, a rotary belt 730 and a magnetic separator 740 are arranged on the mounting rack 750; the rotary belt 730 is provided with a material shifting boss 735, and the magnetic separator 740 can adsorb ferromagnetic metal on the rotary belt 730 so that the material shifting boss 735 can shift the material; the mounting bracket 750 has a passageway 755 through which the material ejecting tab 735 can and cannot pass. The magnetic separator 740 magnetically attracts the metal material on the first transport section 143 so that it moves close to the rotary belt 730. The revolving belt 730 will drive the material shifting boss 735 to rotate together when rotating, and the material shifting boss 735 will shift the metallic substance adsorbed close to the revolving belt 730 to move together, thereby achieving the purpose of separating the metallic substance from the non-metallic substance on the first conveying section. The material shifting boss 735 continues to move, and when the spatial position between the material shifting boss 735 and the passageway 755 is smaller than the volume of the metal substance, the metal substance is extruded down, so that the metal substance is separated from the rotary belt 730, and the metal substance is convenient to drop to the second transportation section 145 and perform subsequent crushing operation.

Specifically, a driving motor 710 is disposed on the mounting frame 750, and the driving motor 710 is connected to the rotary belt 730 through a transmission chain 720 and can drive the rotary belt to rotate.

In certain embodiments, referring to fig. 4 and 5, the crushing unit 200 comprises a twin-shaft crusher 230 and a twin-shaft crusher 230, the transport mechanism 100 passes through the twin-shaft crusher 230 and the four-shaft crusher 270 in sequence, the twin-shaft crusher 230 is capable of coarse crushing of the material, and the four-shaft crusher 270 is capable of fine crushing of the material. Carry out coarse crushing and smart breakage to rubbish through biax breaker 230 and four-axis breaker 270, can be effectively with rubbish breakage for the less light material of volume to, the volume difference of the unable complete broken heavy material of twice crushing operation and light material will be more obvious, and then be convenient for sieve the two.

Of course, the crushing unit 200 may also be composed of other components, such as a roller, which is not shown in the drawing, and the specific arrangement manner may be adjusted according to the actual needs, which is not limited herein.

In certain embodiments, referring to fig. 4, the twin-shaft crusher 230 includes a first frame 231, a first sealed compartment 232 is disposed on the first frame 231, two first crushing rollers 235 are disposed at the bottom of the first sealed compartment 232, and a circular-arc binder 234 is disposed at the side of the first sealed compartment 232. Two first garrulous material rollers 235 can operate simultaneously and carry out the breakage with major possession rubbish, and then be convenient for become the material that the size is similar with the major possession rubbish of size difference. Meanwhile, by disposing the circular-arc shaped material pressing device 234 in the first sealed compartment 232, various large garbage larger than the effective crushing surface of the first crushing roller 235 can be pressed, and the large garbage can effectively enter between the two first crushing rollers 235 and can be crushed effectively.

In certain embodiments, referring to the figures, the four-shaft crusher 270 comprises a second frame 271, the second frame 271 being provided with a second capsule 272, the bottom of the second capsule 272 being provided with four second crusher rollers 275. The four second crushing rollers 275 perform crushing work on the garbage in a linked manner, and thus the garbage can be effectively crushed and the size of the garbage can be regulated.

In certain embodiments, referring to fig. 6, screening unit 300 includes a vibrating screen capable of screening out oversized materials and an empty separator capable of relatively separating heavy materials from light materials, through which transport mechanism 100 passes in sequence. The shale shaker can sieve the jumbo size material after carrying out thin crushing processing through four-axis breaker 270, for example shaft-like rectangular material to directly can carry out the screening of material according to the difference of volume in advance, and then prevent that the phenomenon of jumbo size material from taking place the putty in air separation machine department. And the air separation machine can screen and separate materials with smaller volume, and further screen different materials in a further detailed manner. Through the combined action of the vibrating screen and the air separation machine, the materials can be effectively screened and separated directly according to different volumes, and then various substances are screened effectively.

Of course, the sieving unit 300 may also be composed of other components, for example, a plurality of clamping manipulators with different clamping size ranges are not shown in the drawing, and the specific arrangement manner may be adjusted according to actual needs, which is not limited herein.

In certain embodiments, referring to fig. 6, the air separation machine includes a shaker feeder 310, a separation cabin 320, and a suction device 330; the vibrating feeder 310 is connected with the conveying mechanism 100, the vibrating feeder 310 and the adsorption device 330 are both communicated to the upper part of the separation cabin 320, the lower part of the separation cabin 320 is connected with the conveying mechanism 100, and at least one inner side wall staggered with the movement direction of the garbage is arranged in the separation cabin 320. After the material is received by the vibrating feeder 310, the material can be conveyed in a vibrating manner, so that the material uniformly enters the upper part of the air distribution machine. When the material does free falling body movement in the air separator, the material is blocked by the inner side wall which is staggered with the movement direction of the material. Because the impact when the material of different weight contacts with the inside wall is different, therefore the material of different weight will be broken up by the inside wall. At this time, under the adsorption action of the adsorption device 330, light materials with light weight, such as light drifts and soil, will be absorbed into the adsorption device 330; while the heavier material, which is heavier, continues to fall to the bottom of the pod 320. Therefore, the heavy material and the light material can be simply and directly separated relatively, and the next separation process is convenient.

In some embodiments, referring to fig. 6, the adsorption device 330 includes a fan 340 and a cyclone separator, and when the fan 340 is operated, the cyclone separator can be operated to adsorb the light materials. Of course, the adsorption device 330 may also be composed of other components, such as a vacuum air pump, and the specific arrangement may be adjusted according to actual needs, which is not limited herein.

In certain embodiments, referring to fig. 1, a return channel is connected to the sieving unit 300, through which heavy material and/or light material containing metalliferous material can move to the crushing unit 200. The return channel allows the metalliferous material to be returned to the crushing unit 200 for another crushing operation and subsequent screening operation, thereby ensuring that resources are not wasted.

In certain embodiments, referring to fig. 1, the forming unit 600 includes a homogenizing box and a pelletizer through which the transport mechanism 100 passes in sequence, the pelletizer being capable of pressing the light material after separation of the iron-containing material into RDF fuel pellets. The even workbin can mix the light material to make the light material can enter the granulator more evenly. The granulator can punch and mold the mixed light materials in a reciprocating mode, so that the volume size and the contained heat value of the formed RDF fuel particles tend to be uniform. The forming process can increase the heat value of the light material by about four times and has the advantages of easy transportation and storage.

In some embodiments, referring to fig. 1, a dust removal system is further included, and at least one of the crushing unit 200, the sieving unit 300, the refining unit 900, and the molding unit 600 is connected with a dust removal pipe 550, and the dust removal system can reduce dust generated during the processing through the dust removal pipe 550. Big piece rubbish has the tiny dust of a lot of hairy antler in the processing procedure, and dust pelletizing system then can clear away the branch through dust removal pipeline 550 to keep the clean and tidy and guarantee processing personnel's safety in processing place.

Specifically, the dust removing system includes a spraying system that may spray at least one of the crushing unit 200, the sieving unit 300, the purifying unit 900, and the molding unit 600 through the dust removal pipe 550, and a negative pressure adsorption system. The spraying system acts on the nozzle through a high-pressure principle to form small fog-like water drops, and the large garbage dust is easy to absorb moisture and can quickly descend due to a gravity principle. So as to achieve the aim of dust fall. The crushing work is performed in the first and second sealed compartments 232 and 272, so that it is possible to effectively prevent dust from leaking into a workshop and to cause a hazard to safety and health of workers. Meanwhile, a negative pressure adsorption system and a spraying system are added at positions possibly leaked in the whole line, and dust settling and removing operations are carried out by two pipes, so that the working environment is improved, and the health of workers is guaranteed.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (10)

1. The utility model provides a major possession rubbish resourceful treatment system which characterized in that includes:

a transport mechanism (100) and a sieving unit (300);

the transportation mechanism (100) can drive the materials to move to the crushing unit (200), and the crushing unit (200) can crush the materials into heavy materials and light materials; the transport mechanism (100) is capable of transporting the crushed material to the sieving unit (300); the transportation mechanism (100) comprises a first transportation group (140) and a second transportation group (130), the screening unit (300) can relatively separate the heavy material and the light material and respectively transport the heavy material and the light material to the first transportation group (140) and the second transportation group (130);

a recovery unit, where the first transport group (140) is capable of transporting heavy material to for recovery;

a refining unit (900) disposed on the first transport group (140) and between the screening unit (300) and the recovery unit, the refining unit (900) being capable of crushing heavy materials and separating metals from the heavy materials;

a forming unit (600), the second transport group (130) being capable of transporting the light material to the forming unit (600), the forming unit (600) being capable of compacting the light material into recyclable raw material particles.

2. The large waste recycling system according to claim 1, wherein:

the purification unit (900) comprises a plurality of iron removal devices (700) and crushing devices (400), the first transport group (140) comprising a first transport section (143), a second transport section (145) and a third transport section (147);

at least one of the plurality of iron removal devices (700) is arranged on the first transportation section (143) and can drive the metal in the heavy material on the first transportation section (143) to move to the crushing device (400);

the second transportation section (145) is connected with the crushing device (400), at least one of the plurality of iron removing devices (700) is arranged on the second transportation section (145) and can drive metal in the material crushed by the crushing device (400) to move to a third transportation section (147), and the first transportation section (143), the second transportation section (145) and the third transportation section (147) are all connected with the recovery unit.

3. The large waste recycling system according to claim 2, wherein:

the crushing device (400) comprises a multi-shaft crusher which is positioned below the first transportation section (143), and the iron removing device (700) can drop metal in the heavy materials to the multi-shaft crusher and perform crushing operation.

4. The major possession rubbish recycling system as claimed in claim 2, wherein:

the iron removing device (700) comprises a mounting rack (750), and a rotary belt (730) and a magnetic separator (740) are arranged on the mounting rack (750); the rotary belt (730) is provided with a material stirring boss (735), and the magnetic separator (740) can adsorb ferromagnetic metal onto the rotary belt (730) so that the material stirring boss (735 can stir the material; the mounting rack (750) is provided with a passageway (755) through which the material stirring boss (735) can pass.

5. The large waste recycling system according to claim 1, wherein:

crushing unit (200) include biax breaker (230) and four-axis breaker (270), transport mechanism (100) pass in proper order biax breaker (230) with four-axis breaker (270), biax breaker (230) can carry out coarse crushing to the material, four-axis breaker (270) can carry out fine crushing to the material.

6. The large waste recycling system according to claim 1, wherein:

screening unit (300) include shale shaker and empty extension, transport mechanism (100) pass in proper order the shale shaker with empty extension.

7. The large waste recycling system according to claim 6, wherein:

the air distribution machine comprises a vibrating feeder (310), a separation cabin (320) and an adsorption device (330); the vibrating feeder (310) is connected with the conveying mechanism (100), the vibrating feeder (310) and the adsorption device (330) are communicated to the upper portion of the separation cabin (320), the lower portion of the separation cabin (320) is connected with the conveying mechanism (100), and at least one inner side wall which is staggered with the movement direction of the garbage is arranged in the separation cabin (320).

8. The large waste recycling system according to claim 7, wherein:

a return channel is connected to the sieving unit (300) via which the heavy material and/or the light material of the metalliferous material can be moved to a crushing unit (200).

9. The major possession rubbish resource processing system as claimed in claim 1, wherein:

the forming unit (600) comprises a granulator, and the conveying mechanism (100) is connected with the granulator and can press the light materials after the iron-containing substances are separated out into RDF fuel particles.

10. The large waste recycling system according to claim 1, wherein:

the dust removal device is characterized by further comprising a dust removal system, wherein at least one of the crushing unit (200), the screening unit (300), the purifying unit (900) and the forming unit (600) is connected with a dust removal pipeline (550), and the dust removal system can reduce dust generated in the processing process through the dust removal pipeline (550).

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