CN208527668U - Domestic waste incineration residue resource utilization system - Google Patents

Abstract

The utility model belongs to technical field of resource environments more particularly to a kind of domestic waste incineration residue resource utilization system.Non-ferrous metal in the utility model is enriched with sorting unit, eddy current separation device can effectively solve the problems, such as in existing wet split non-ferrous metal aluminium be lost and existing dry separation in nonmagnetic metal elimination factor it is low, the problem of stainless steel can not be selected, and then realize the comprehensive of nonmagnetic metal in domestic waste incineration residue, efficient separation, and gravity separation device can effectively solve the problems, such as mixed metal isolation technics, and then realize the separation of light-weight metal aluminium and heavy metal, photoelectric sensing sorting unit can efficiently solve in clinker for glass, the technical issues of ceramics sorting, and then realize residual glass in clinker, the sorting of ceramics, efficiently domestic waste incineration residue can be recycled.

Description

Domestic waste incineration residue resource utilization system

Technical field

The utility model belongs to technical field of resource environments more particularly to a kind of domestic waste incineration residue resource utilization System.

Background technique

With quickly propelling for Urbanization in China, domestic waste yield is also in rapid growth.According to statistics, China Existing more than 200 cities are in the awkward situation of " garbage-surrounded city ".It effectively solves the problems, such as living garbage pollution, realizes domestic waste Harmless treatment and comprehensive utilization be government faces it is great society and environmental problem.

After consumer waste incineration, the clinker for accounting for rubbish total amount 20%-25% can be generated, with Consideration of MSW Incineration Technology It continues to develop and promotes, the yield of clinker will also increase.Slag emission seriously pollutes environment, and clinker in environment In also contain relevant useful metal substance, may be recovered utilization.

Traditional clinker treatment and use mode is that direct landfill or devalued building materials utilize, including road roadbed gathers materials, fills out Bury field covering material etc..In view of metal has the yield of comparable content and clinker in clinker, if not recycled, not only The loss and waste for causing metal resource in clinker also limit high level benefit of the slag product in building or road engineering With, such as: iron, aluminium metal can generate hydrogen because of spontaneous oxidation reduction reaction and destroy hydrated product structure, lead to building material Or the problems such as road protuberance and damaged expansion, therefore, recycling the metal in clinker is domestic waste incineration residue dry separation money The key technical problem that source is solved using needs.

In the process of implementing the utility model, it is found by the applicant that in the prior art the prior art has at least the following problems:

In the prior art, the method that metal mainly takes wet split is recycled from clinker, according to different material in clinker The difference of specific gravity, is sorted using jigging machine, realizes nonmetallic substances and metallic iron, copper, the zinc such as bits, glass, ceramics in clinker The separation of equal valuable metals.But wet split exist take up a large area, water consume is high, non-ferrous metal aluminium is lost, working environment is poor, two The problems such as secondary seriously polluted, and for the tailings that wet split generates, because aluminium does not sort out, to clinker tailings building materials application Generate very big harm.

Utility model content

In view of the above-mentioned problems of the prior art, the utility model provides a kind of domestic waste incineration residue recycling benefit With system, efficiently domestic waste incineration residue can be recycled.

The utility model achieves the above object through the following technical schemes:

A kind of domestic waste incineration residue resource utilization system, the system comprises what is set gradually by process flow to remove Different kinds of bonding units, fragmentation cell, sieve unit, metal sorting unit, wherein the eddy current separation device, which is arranged, has coloured gold described The process for belonging to enrichment sorting unit is the next, and the gravity separation device and the photoelectric sensing sorting unit are disposed in parallel in institute The process for stating eddy current separation device is the next；

The eddy current separation device is eddy current separator, and the eddy current separator includes rack, driving motor, magnetic Roller, material conveyer belt and sub-material room, wherein

The driving motor is fixedly mounted in the rack, and the output end of the driving motor and magnetic roller transmission connect It connects, the magnetic roller is installed in rotation in the rack；

The material conveyer belt has input terminal and output end, and the input terminal of the material conveyer belt is arranged in the rack Side, the surface of the magnetic roller is arranged in the output end of the material conveyer belt；

The other side of the rack is arranged in the sub-material room, is provided with baffle in the sub-material room, and the baffle is by institute Sub-material room is stated to be divided into successively far from the nonmetallic room of the magnetic roller and metallic room.

Further, it is provided with mounting base in the middle part of the bottom of the sub-material room, the mounting base includes fanning strip, the fan Shape plate is vertically provided with the scallop hole above together, and the baffle may be selectively installed in some described scallop hole.

Further, the bottom of the baffle is provided with fixed link, and the fixed link is solid optionally through locking member Surely it is plugged in some described scallop hole.

Further, the mounting base further includes substrate, and on the substrate, the substrate passes through for the fanning strip setting Screw is mounted on the side wall of the sub-material room.

Preferably, the non-ferrous metal enrichment sorting unit is high-gradient magnetic field seperator, and the gravity separation device is Jigging machine, the photoelectric sensing sorting unit are photoelectric sensing sorting machine.

Further, the impurity removing unit includes the concentration equipment, pneumatic separation device and people set gradually by process flow Work point screening device.

Preferably, the concentration equipment is that self-tipping type hangs iron remover or self-tipping type permanent magnetic pulley iron remover；The selection by winnowing Device is positive pressure winnowing machine or negative pressure winnowing machine；The artificial separation device is artificial separation platform.

Further, the fragmentation cell includes that rough and torn crushing device and thin broken crushing device are set gradually by process flow.

Preferably, the rough and torn crushing device is jaw crusher；The thin broken crushing device is two-chamber hammer mill.

Further, the sieve unit includes scalping separating device and dusting cover separating device, and the scalping separating device is roller Sieve, the dusting cover packing are set to flip flop screen.

The beneficial effects of the utility model include at least:

A kind of domestic waste incineration residue resource utilization system provided by the utility model, since metal therein sorts Unit includes that non-ferrous metal is enriched with sorting unit, eddy current separation device, gravity separation device and photoelectric sensing sorting unit, Non-ferrous metal therein is enriched with sorting unit, eddy current separation device can effectively solve non-ferrous metal aluminium in existing wet split and be lost The problem of and existing dry separation in nonmagnetic metal elimination factor is low, can not select the problem of stainless steel, and then realize life Comprehensive, the efficient separation of nonmagnetic metal in waste incineration slag living, and gravity separation device can effectively solve mixed metal point From technical problem, and then the separation of light-weight metal aluminium and heavy metal is realized, photoelectric sensing sorting unit can efficiently solve The technical issues of glass, ceramics are sorted in clinker, and then realize the sorting of residual glass in clinker, ceramics, Ji Nenggao Domestic waste incineration residue is recycled by effect ground.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings.

Fig. 1 is a kind of arrangement signal of domestic waste incineration residue resource utilization system of the utility model embodiment Figure；

Fig. 2 is the structural schematic diagram of eddy current separator in the utility model embodiment；

Fig. 3 is the scheme of installation of baffle in the utility model embodiment；

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model embodiment takes up an area big, water consume height to solve existing clinker wet split technology, metallic aluminium is lost, The problems such as secondary pollution is serious, added value of product is low provides a kind of domestic waste incineration residue resource utilization system, is one Kind dry separation processing mode.

Fig. 1 is a kind of arrangement signal of domestic waste incineration residue resource utilization system of the utility model embodiment Figure, referring to Fig. 1, which includes the impurity removing unit set gradually by process flow, fragmentation cell, sieve unit and metal point Menu member.

The impurity removing unit of the utility model embodiment include the concentration equipment set gradually by process flow, pneumatic separation device with And artificial separation device.

Further, the concentration equipment of the utility model embodiment can select self-tipping type suspension iron remover or self-tipping type forever Magnetic roller iron remover, for domestic waste incineration residue different-grain diameter material carry out magnetic separation sorting slag discharging in scrap iron block and Scrap iron powder；And pneumatic separation device can be positive pressure winnowing machine or negative pressure winnowing machine, for carrying out selection by winnowing to the clinker after magnetic separation, The light weight sundries such as waste plastics, useless fabric in selection by winnowing slag discharging；Artificial separation device can be artificial separation platform, by manually existing The bulks sundries such as reinforcing bar, waste plastics, fabric, the stainless steel removed in clinker are selected on artificial separation platform.

Further, the fragmentation cell of the utility model embodiment include set gradually by process flow rough and torn crushing device with And thin broken crushing device, rough and torn crushing device can select jaw crusher, rough and torn for carrying out to bulk slag material, clinker is through broken The package substance that metal outer can be removed after broken, is sufficiently separated metal with other substances, enters convenient for the clinker after rough and torn Subsequent handling advanced optimizes；Thin broken crushing device can select two-chamber hammer mill, thin for carrying out to the clinker after rough and torn Broken, non-ferrous metal has ductility, and the clinker after hammering into shape and breaking has certain non-ferrous metal enrichment, effective convenient for non-ferrous metal Sorting.

Further, the sieve unit of the utility model embodiment includes scalping separating device and dusting cover separating device, coarse fraction Device can select rotary screen, for carrying out primary dcreening operation to bulk slag material；Dusting cover separating device can select flip flop screen, be used for furnace The thin material of slag is sieved, and screens out the clinker rough material of > 5mm and the thin material of clinker of≤5mm, flip flop screen is for binding Property fine slag material there is high efficiency screening effect, by further being sieved to the thin material of clinker, convenient for vortex gradient sorting mould Block effectively sorts non-ferrous metal.

Further, the metal sorting unit of the utility model embodiment includes non-ferrous metal enrichment sorting unit, whirlpool electricity Flow point screening device, gravity separation device and photoelectric sensing sorting unit, wherein eddy current separation device is arranged in non-ferrous metal The process for being enriched with sorting unit is the next, and gravity separation device and photoelectric sensing sorting unit are disposed in parallel in eddy current separation dress The process set is the next.

Specifically, the non-ferrous metal enrichment sorting unit of the utility model embodiment can select high-gradient magnetic field to separate Machine, for pair≤the thin material of clinker of 5mm in non-ferrous metal be enriched with, and magnetic metal and tailings are isolated, after enriched Non-ferrous metal material be delivered to eddy current separation device jointly with the clinker rough material of > 5mm and advanced optimize sorting, compare The thin material of the clinker of wet split the utility model embodiment carries out non-ferrous metal enrichment by high-gradient magnetic field seperator, improves For non-ferrous metal sorting index in clinker.

The eddy current separation device of the utility model embodiment is eddy current separator, for the > 5mm's after screening The thin material of clinker after the enrichment of the non-ferrous metal of clinker rough material and≤5mm carries out selecting the non magnetic non-ferrous metal of mixing, Eddy current separator difference gradient magnetic field strength, different magnetic poles quantity and different rotating speeds can be carried out for different grain size slag material Sorting, for > 5mm clinker rough material after eddy current separator sorts tailings return crushing system, be crushed, sieved, Eddy circulating resume module.

Further, Fig. 2 is the structural schematic diagram of eddy current separator in the utility model embodiment, referring to fig. 2, the whirlpool Electric current sorting machine includes rack 1, driving motor 2, magnetic roller 3, material conveyer belt 4 and sub-material room 5.

In conjunction with Fig. 2, the driving motor 2 of the utility model embodiment is fixedly mounted in rack 1, the output of driving motor 2 End and magnetic roller 3 are sequentially connected, and magnetic roller 3 is installed in rotation in rack 2.

In the utility model embodiment, the output end of driving motor 2 can be realized by belt and magnetic roller 3 is sequentially connected, And magnetic roller 3 can be installed in rotation in rack 2 by shaft.

In conjunction with Fig. 2, the material conveyer belt 4 of the utility model embodiment has input terminal and output end, material conveyer belt 4 The side of rack 1 is arranged in input terminal, and the surface of the output end setting left magnetic roller 3 of material conveyer belt 4 in this way can be by material It conveys from input terminal to output end, and then is exported above magnetic roller 3.

In conjunction with Fig. 2, the other side of rack 1 is arranged in the sub-material room 5 of the utility model embodiment, is provided in sub-material room 5 Baffle 6, baffle 6 by sub-material room 5 divide for successively far from magnetic roller nonmetallic room 51 and metallic room 52.

The working principle that the utility model embodiment is sorted using eddy current separator are as follows:

Driving motor starting drives magnetic roller rotation, magnetic roller surface is made to generate the high-intensity magnetic field of high-frequency alternating；Meanwhile material is defeated Band is sent to export non-ferrous metal material to magnetic roller through its output end with the clinker rough material of > 5mm, wherein conductive Non-ferrous metal by magnetic field when, eddy current can be induced in non-ferrous metal, this eddy current itself can generate and former magnetic field side To opposite magnetic field, can be leaped forward due to the repulsive force in magnetic field acts on along its conveying direction if non-ferrous metal (such as copper, aluminium etc.), Such metal goods and materials enter in metallic room, and remaining non-metal kind substance can enter in nonmetallic room, reach the mesh of sorting 's.

Fig. 3 is the scheme of installation of baffle in the utility model embodiment, in conjunction with Fig. 2 and Fig. 3, the utility model embodiment In, sub-material room is provided with mounting base 53 in the middle part of 5 bottom, which includes fanning strip 531, and fanning strip 531 is vertically set It is equipped with the scallop hole 532 above together, baffle 6 may be selectively installed in some scallop hole 532, in this way, not only can root It, can be with horizontal position of the regulating fender in scallop hole, thus further according to the height of the revolving speed regulating fender of driving motor Guarantee the effect of sorting.

Further, in conjunction with Fig. 2 and Fig. 3, in the utility model embodiment, the bottom of baffle 6 can be set one it is solid Fixed pole, the fixed link are plugged in some scallop hole 532 optionally through the fixation of locking member 533.

In the utility model embodiment, locking member 533 can be nut, or the nut etc. with spanner, with side Just the dismounting of baffle 6.

Further, in conjunction with Fig. 2 and Fig. 3, in the utility model embodiment, which further includes a substrate 534, fanning strip 531 is integrally formed on the substrate 534, which is mounted on the side wall of sub-material room 5 by screw, with Realize the fixation of mounting base 53.

Further, the gravity separation device of the utility model embodiment can select jigging machine, and jigging machine is used for warp The non magnetic non-ferrous metal of mixing of eddy current separator sorting carries out continuing to sort, to obtain light-weight metal and heavy metal.It adopts The separation of light-weight metal aluminium and heavy metallic copper zinc stainless steel is realized according to difference in specific gravity with this gravity separation device of jigging machine, Improve the economy of nonmagnetic metal.Compared in conventional wet assorting room, all clinkers are sorted by jigging machine, this is practical Novel that the nonmagnetic metal after primary election is sorted only with jigging machine, sorting amount is reduced to 3/1000ths of wet split, land occupation and water Consumption substantially reduces.

Further, the photoelectric sensing sorting unit in the utility model embodiment can select photoelectric sensing sorting machine, It is sorted for glass, the ceramics in the clinker after being sorted to eddy current separator, obtains the tailings that resourcebility utilizes.It should Tailings can be used for the preparation of inorganic mixture and the manufacture of brick class.This can expand the application direction of slag product, Realize clinker large dosage value added applications.

Concrete application:

Generate 200,000 tons of clinker in 1,000,000 tons of burning domestic garbage of certain MSW Incineration Plant year.It is practical new using this The domestic waste incineration residue dry separation resource utilization system that type provides, construction domestic waste incineration residue dry separation money Source utilizing works, year handle 200,000 tons of domestic waste incineration residue, and the clinker for solving the MSW Incineration Plant disappears It receives problem, sub-elects 750 tons of non-ferrous metal aluminium, 250 tons of metallic copper zinc stainless steel, blocky 4000 tons of scrap iron, magnetic powder year 9000 tons, 200,000 tons of two ash stability road inorganic mixture is prepared, 25,000,000 pieces of standard brick is prepared, realizes the wiper ring of clinker Sorting and resource utilization are protected, there is significant environmental benefit and economic benefit.

The utility model embodiment has the beneficial effect that

1, due to using the flip flop screen in screening module to effective dry screening of binding slag material, and use Non-ferrous metal enrichment sorting module and the structure design for being vortexed gradient sorting module, so, efficiently solve existing wet split Nonmagnetic metal elimination factor is low, can not select asking for stainless steel in the problem of middle non-ferrous metal aluminium loss and existing dry separation Topic, and then realize comprehensive, the efficient separation of nonmagnetic metal in domestic waste incineration residue.

2, it is sorted due to using gravity separation device, efficiently solves the problems, such as mixed metal isolation technics, in turn Realize the separation of light-weight metal aluminium and heavy metal.

3, it is sorted due to using photoelectric sensing, efficiently solves in clinker and glass, ceramics are sorted Technical problem, and then realize the sorting of residual glass in clinker, ceramics.

The utility model embodiment is turned waste into wealth using decoration garbage as raw material, and the recycled aggregate produced is alternative Natural sand stone is as regeneration green building material product raw material, while it is miscellaneous to sub-elect metal values, light weight sundries and a small amount of nocuousness Object etc. can not only reduce pollution of the decoration garbage to environment, appropriation of land, the alternative natural sand of the recycled aggregate produced Masonry is that green building productions raw material prepares regeneration green building material product, saves valuable natural resources, embodies sustainable Characteristics of economic development.

Based on this, the utility model embodiment provides a kind of domestic waste incineration residue resource utilization system, and Fig. 1 is A kind of arrangement schematic diagram of the domestic waste incineration residue resource utilization system of the utility model embodiment.Referring to Fig. 1, this is System includes the pretreatment unit set gradually by process flow, screening plant, metal sorting unit and photoelectric sensing sorting dress It sets.

The pretreatment unit of the utility model embodiment mainly removes the impurity in decoration garbage comprising presses process stream Pre-sorting facility, impurity removal mechanism and the crushing mechanism that journey is set gradually.

Specifically:

Pre-sorting facility in the utility model embodiment can be a pre-sorting platform, by manually by decoration garbage In bulk impurity removal.

The impurity removal mechanism of the utility model embodiment include the magnetic separation mechanism set gradually by process flow, pneumatic separator, It is artificial to sort mechanism and hydraulic flotation mechanism.

The magnetic separation mechanism of the utility model embodiment can be suspension type iron remover, to remove the old metal in material, wind It selects mechanism and can select as blower, to remove the light weight sundries in material, and manually sort mechanism artificial can sort for one Platform, artificial to sort to remove various sundries and selection by winnowing and magnetic separation and fail the sundries removed, what hydraulic flotation mechanism selected is to scrape Board-like hydraulic flotation machine, it is main to remove the impurity of lightweight and closed pore in material, such as foam concrete block.

By the close linking of above-mentioned impurity removal mechanism, to remove material impurity, following resourceization processing can be not only reduced System loading, while sundries being avoided to be mixed into subsequent aggregate, it is ensured that subsequent product quality.

Further, what the crushing mechanism of the utility model embodiment was selected is impact breaker, which will It is 0.075-31.5mm that decoration garbage, which is crushed to particle size range,.

Further, what the screening plant of the utility model embodiment was selected is vibrating screening machine, which uses In the recycled fine aggregate and 5mm-31.5mm that are 0.075-5mm to the progress grain size grading sorting of broken decoration garbage aggregate Regenerated coarse aggregate.

The recycled fine aggregate of 0.075-5mm is used directly in backfilling of earthwork or greening soil, while also can be used as thin bone Material prepares the recycled products such as mortar, building block, and the regenerated coarse aggregate of 5mm-31.5mm need to continue to handle.

Further, in the utility model embodiment, what metal sorting unit was selected is eddy current separator, the eddy current Sorting machine sub-elects the non-ferrous metal in aggregate for sorting to regenerated coarse aggregate.

Further, what the photoelectric sensing sorting unit of the utility model embodiment was selected is photoelectric sensor, the photoelectricity Sensor is used to sort the aggregate after eddy current separator sorting again, sub-elects glass, ceramics, the gypsum in aggregate Deng to obtain the alternative natural sand stone of the preferable recycled aggregate of quality for green building productions preparation, such as inorganic mixing The preparation of material.

It should be noted that the conveying of the material between each process can pass through belt in the utility model embodiment Conveyer carries out.

After being handled provided by the utility model embodiment using system, coating packing, paint kettle etc. has decoration garbage Qualified dangerous waste disposition enterprise can be transferred to after evil refuse collecting or Environmental Protection Agency is transferred to be responsible for processing；Timber, paper, is knitted plastics Object etc. may be recovered recycling by waste recovery system；Scrap iron, non-ferrous metal (copper, aluminium etc.) can be unified directly outer after collecting Pin；Incendive garbage can be sent to garbage burning factory power generation；Recycled aggregate can substitute natural aggregate as raw material and prepare regeneration green Building material product.System realizes the resource utilization of decoration garbage, has preferable environmental benefit and social benefit.

In conclusion a kind of domestic waste incineration residue resource utilization system of the utility model embodiment, can incite somebody to action Decoration garbage is utilized, and is realized the minimizing of decoration garbage, recycling, innoxious, to economize on resources, is preserved the ecological environment.

Embodiment provided above is the better embodiment of the utility model, only is used to facilitate to illustrate the utility model, and It is non-to impose any limitation on the present invention, have usually intellectual in any technical field, if not departing from In the range of the mentioned technical characteristic of the utility model, locally changes or repair using made by the utility model disclosed technology content The equivalent embodiment of decorations, and without departing from the technical characteristics of the utility model content, still fall within the utility model technical characteristic In the range of.

Claims (10)

1. a kind of domestic waste incineration residue resource utilization system, which is characterized in that the system comprises by process flow according to The impurity removing unit of secondary setting, fragmentation cell, sieve unit, metal sorting unit, wherein the metal sorting unit includes coloured Metal enrichment sorting unit, eddy current separation device, gravity separation device and photoelectric sensing sorting unit, the eddy current point The process that the non-ferrous metal enrichment sorting unit is arranged in screening device is the next, the gravity separation device and the photoelectric transfer The process that sense sorting unit is disposed in parallel in the eddy current separation device is the next；

The eddy current separation device be eddy current separator, the eddy current separator include rack, driving motor, magnetic roller, Material conveyer belt and sub-material room, wherein

The driving motor is fixedly mounted in the rack, the output end of the driving motor and magnetic roller transmission connection, The magnetic roller is installed in rotation in the rack；

The material conveyer belt has input terminal and output end, and the one of the rack is arranged in the input terminal of the material conveyer belt The surface of the magnetic roller is arranged in side, the output end of the material conveyer belt；

The other side of the rack is arranged in the sub-material room, and baffle is provided in the sub-material room, and the baffle will be described point Material room is divided into successively far from the nonmetallic room of the magnetic roller and metallic room.

2. domestic waste incineration residue resource utilization system according to claim 1, which is characterized in that the sub-material room Mounting base is provided in the middle part of bottom, the mounting base includes fanning strip, and the fanning strip is vertically provided with more than together Scallop hole, the baffle may be selectively installed in some described scallop hole.

3. domestic waste incineration residue resource utilization system according to claim 2, which is characterized in that the baffle Bottom is provided with fixed link, and the fixed link is plugged in some described scallop hole optionally through locking member fixation.

4. domestic waste incineration residue resource utilization system according to claim 2, which is characterized in that the mounting base It further include substrate, on the substrate, the substrate is mounted on the side wall of the sub-material room by screw for the fanning strip setting On.

5. domestic waste incineration residue resource utilization system according to claim 1, which is characterized in that described to have coloured gold Belonging to enrichment sorting unit is high-gradient magnetic field seperator, and the gravity separation device is jigging machine, the photoelectric sensing sorting dress It is set to photoelectric sensing sorting machine.

6. domestic waste incineration residue resource utilization system according to claim 1-5, which is characterized in that institute Stating impurity removing unit includes the concentration equipment set gradually by process flow, pneumatic separation device and artificial separation device.

7. domestic waste incineration residue resource utilization system according to claim 6, which is characterized in that the magnetic separation dress It is set to self-tipping type suspension iron remover or self-tipping type permanent magnetic pulley iron remover；The pneumatic separation device is positive pressure winnowing machine or negative pressure selection by winnowing Machine；The artificial separation device is artificial separation platform.

8. domestic waste incineration residue resource utilization system according to claim 1-5, which is characterized in that institute Stating fragmentation cell includes that rough and torn crushing device and thin broken crushing device are set gradually by process flow.

9. domestic waste incineration residue resource utilization system according to claim 8, which is characterized in that the coarse crushing Device is jaw crusher；The thin broken crushing device is two-chamber hammer mill.

10. domestic waste incineration residue resource utilization system according to claim 1-5, which is characterized in that The sieve unit includes scalping separating device and dusting cover separating device, and the scalping separating device is rotary screen, the dusting cover separating device For flip flop screen.