CN102974596B - Construction waste co-extrusion harmless treatment system and method thereof - Google Patents
Construction waste co-extrusion harmless treatment system and method thereof Download PDFInfo
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- CN102974596B CN102974596B CN201210541332.1A CN201210541332A CN102974596B CN 102974596 B CN102974596 B CN 102974596B CN 201210541332 A CN201210541332 A CN 201210541332A CN 102974596 B CN102974596 B CN 102974596B
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- 239000000463 material Substances 0.000 claims abstract description 135
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- 239000010959 steel Substances 0.000 claims abstract description 38
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
- B03B9/06—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse
- B03B9/061—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse the refuse being industrial
- B03B9/065—General arrangement of separating plant, e.g. flow sheets specially adapted for refuse the refuse being industrial the refuse being building rubble
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/58—Construction or demolition [C&D] waste
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- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a construction waste co-extrusion harmless treatment system and a method thereof in the field of the construction waste treatment technology. The construction waste co-extrusion harmless treatment system comprises a primary extrusion crushing appliance, wherein an output end of the primary extrusion crushing appliance corresponds to an input end of a steel structure conveyor, an output end of the steel structure conveyor corresponds to an input end of a primary impurity sorting conveyor, a primary magnetic separator is arranged at the upper part of the primary impurity sorting conveyor, an input end and an output end of a secondary extrusion crushing appliance respectively correspond to an input end of the primary impurity sorting conveyor and an input end of a roller separating conveyor, an output end of the roller separating conveyor corresponds to an input end of a secondary impurity sorting conveyor, and a secondary magnetic separator is arranged at the upper part of the secondary impurity sorting conveyor. The construction waste co-extrusion harmless treatment system can perform extrusion crushing and tooth roller crushing two-stage co-extrusion crushing, thereby not only being capable of meeting the crushing of construction waste concrete brittle materials, separating fine reinforcement from concrete, but also being capable of avoiding excessive crushing of light and combustible soft materials.
Description
Technical field
The present invention relates to technical field of resource comprehensive utilization, be specifically related to a kind of building waste combination of extrusion innocuity disposal system and method thereof.
Background technology
China's building waste harmless treatment is not that simple building stones are broken.China's building construction rubbish processing to be harmless relates to stripping metal thing, combustible, the large problem of earth three, and the harmless treatment of decoration building waste is just more complicated.Practice shows, China's construction refuse resource process, first will solve harmless treatment.China's building waste harmless treatment, needs to form feature and building waste residue recycling treatment needs according to China's building waste, develops suitable innocent treatment equipment and technique.
Building material sand, stone, powder, about 10% for roadbed material, and 90% will be converted into the various concrete base material products such as cement, concrete, mortar, plate brick.Construction refuse resource industry development, is processed into building waste the regrown material that can be used in concrete base material products and day by day seems important.The regrown material that concrete base material products uses should not contain metal object, combustible such as wood chip or fabric, earth, and namely metal object, combustible, earth are the harmful substances in regrown material.Building waste is processed into the regrown material of suitable cement based building materials use, building waste harmless treatment is basis.
At present, China's construction refuse resource process recycling business processes brick masonry structure building building waste, substantially building waste harmless treatment and sublimate process is not realized, containing a certain amount of earth in the reclaimed sand dealt, containing foreign material such as a certain amount of wood chips in the regeneration aggregate dealt, regrown material user is caused to hang back.
Flourish along with China's construction refuse resource industry, treating construction waste is towards scale process future development.Building waste scale process, usually needs two-part, two-step method realizes resource, commercialization process, i.e. building waste harmless treatment and construction refuse resource, commercialization process.The key of building waste harmless treatment solves foreign material to be separated, and the key of construction refuse resource, commercialization process solves being separated of raw material and " grog ".The core of building waste process is isolation technics, and wherein broken grinding process is selected to be again key technology, and the science being related to building waste process is separated.Facts have proved, use traditional jaw to break, strike back brokenly and the building stones broken Wiring technology process brick mixed building rubbish of screening machine composition, there is the problems such as building waste disposal ability is low, process is clean, regrown material adaptive surface is narrow.
The main architecture structure form in countries in the world has timber structure, post and panel structure, brick mix structure, xoncrete structure etc.Each national building structure is different, and construction material is also not quite similar.Building waste composition forms different, and building waste treatment facility and treatment process are also not quite similar.Live Jian Buzhengyan center according to China to announce, before the year two thousand thirty, 20,000,000,000 square meter Old building will be removed by China.The brick-and-concrete buildings that these Old building are built before being mostly eighties of last century nineties, a small amount of is xoncrete structure building.Namely the building waste of China's discharge in following 20 years is the brick-and-concrete buildings rubbish that fired brick and concrete are formed mostly.China's brick-and-concrete buildings rubbish feature is that tiny reinforcing bar is more, and the lightweight such as wooden unit, fabric combustible is more, and earth is more.Realize construction refuse resource, above-mentioned three specific admixture things will be separated exactly, realize harmless treatment, prepare qualified building waste residue.
Before eighties of last century nineties, China's economy is flourishing not, institute's room steel using amount that builds a house is less, and it is universal that outstanding feature is that pre-stress floor, lintel prefabricated board and fine steel rib concrete slab use, and in pre-stress floor and lintel, tiny reinforcing bar uses more.The rejecting of these tiny reinforcing bars is the specific questions existed in China's construction refuse resource processing procedure.Long, bar reinforcement, comparatively large owing to being worth, usually reclaim then and there after concrete is just peeled off by the commercial jump bit of dismounting in dismounting scene, tiny reinforcing bar cannot peel off recovery at the construction field (site) usually.
Building waste harmless treatment is exactly building waste pretreatment, prepare the raw material meeting construction refuse resource regeneration process exactly, namely building waste is processed into can meet next procedure and regeneration aggregate, reclaimed sand, regeneration powder produce required for building waste residue raw material.I.e. building waste harmless treatment, should meet large component construction waste crushing, meets primary structural component reinforcing bar again and concrete is peeled off, and isolates the impurity such as wooden unit, earth again simultaneously.I.e. building waste harmless treatment, should meet coarse crushing, in broken, meet reinforcing bar and the impurity such as wooden unit, earth again and be separated.
Construction refuse resource process recycling enterprise of current China is the building stones broken Wiring technology process building waste adopting traditional jaw to break and strike back brokenly combination mostly.Traditional jaw is broken and strike back the broken building stones suitable suitable broken building stones of broken toe-in or broken plain concrete, but process brick mixed building rubbish often can not be satisfied the demand.The problem adopting jaw to break and strike back brokenly combination process brick mixed building rubbish is: first, jaw is broken is that " crocodile mouth " formula one closes intermittent attrition crushing, tiny reinforcing bar can not thoroughly be separated with concrete, pre-stress floor concrete discontinuous after fragmentation wrap up in reinforcing bar, magnetic plant is difficult to absorption, magneticly elects and wrap up in concrete tiny reinforcing bar, and by manual sorting out wrap up in concrete fine steel rib, need artificial hammering to peel off concrete, bother very much, and inefficiency.Namely one-level jaw breaks attrition crushing and is difficult to tiny reinforcing bar and concrete are thoroughly peeled off.Second, counterattack is broken belongs to the impact grinder that high speed rotor impacts, interior lining panel is strikeed back, so containing tiny long reinforcing bar in taboo material, because tiny long reinforcing bar can be wound around rotor or bar reinforcement can block rotor, simultaneously, the rotor repeated stock breaking concrete of High Rotation Speed, brick, be also broken into chip wood, fabric, thus cause lightweight combustible to be difficult to sorting separation.Construction refuse resource process, because reinforcing bar can cause next procedure equipment to get stuck shutdown, reinforcing bar is separated the whether clean natural labor relating to construction refuse resource deep processing equipment, and whether clean impurity separation is relates to regrown material quality.
To sum up analyze, China will realize construction refuse resource, needs, according to China's building waste feature, to develop suitable treatment process and equipment.
Through patented technology retrieval, there is no building waste combination of extrusion harmless treatment Patents document.
Summary of the invention
Primary and foremost purpose of the present invention is just to overcome the deficiency existing for existing building waste processing technology, thus provides a kind of building waste combination of extrusion innocuity disposal system and method thereof.
A kind of building waste combination of extrusion innocuity disposal system of the present invention, comprise one-level attrition crushing equipment, steel construction conveyer, one-level foreign material Sorting & Picking System and one-level magnetic plant, the output of one-level attrition crushing equipment is corresponding with steel construction conveyer input, the output of steel construction conveyer is corresponding with the input of one-level foreign material Sorting & Picking System, one-level magnetic plant is arranged at the top of one-level foreign material Sorting & Picking System, also comprise secondary attrition crushing equipment, roller bearing separating conveyer, secondary foreign material Sorting & Picking System and secondary magnetic separation equipment, the input of secondary attrition crushing equipment and output are corresponding with the output of one-level foreign material Sorting & Picking System and the input of roller bearing separating conveyer respectively, the output of roller bearing separating conveyer is corresponding with secondary foreign material Sorting & Picking System input, secondary magnetic separation equipment is arranged at the top of secondary foreign material Sorting & Picking System.
Described building waste combination of extrusion innocuity disposal system also comprises batcher, first hopper, dust-precipitator and control system, the output of the first hopper is corresponding with the input of batcher, the output of described batcher is corresponding with the input of one-level attrition crushing equipment, control system respectively with one-level attrition crushing equipment, steel construction conveyer, one-level foreign material Sorting & Picking System, one-level magnetic plant, secondary attrition crushing equipment, roller bearing separating conveyer, secondary foreign material Sorting & Picking System, secondary magnetic separation equipment and dust-precipitator electrical connection, dust-precipitator is corresponding with the output of secondary foreign material Sorting & Picking System.
Described a kind of building waste combination of extrusion innocuity disposal system, in building waste pretreatment, one-level attrition crushing equipment is that one-level is slightly broken, secondary attrition crushing equipment is broken in secondary or thin broken, broken the breaking with secondary of one-level is all attrition crushing, two attrition crushing equipment combination of extrusion are broken, realize the pretreated coarse crushing of building waste, in broken or in small, broken bits, peel off the concrete on tiny reinforcing bar, do not make the lightweight combustible overbreaks such as soft wooden unit again simultaneously, be conducive to division of labor sorting and be separated.
Described one-level attrition crushing equipment is discaling roll attrition crushing equipment or jaw attrition crushing equipment; Described discaling roll attrition crushing equipment be two opposite direction rotatings pair roller roll surface on be distributed with the toothed roll crusher of tooth.This discaling roll attrition crushing equipment is conducive to occlusion material and splitting broken material; Described jaw attrition crushing equipment is that jaw breaks machine.
Described one-level attrition crushing equipment is discaling roll attrition crushing equipment;
Described secondary attrition crushing equipment is exactly triangle bar tooth discaling roll double-roll crusher, point-like tooth formula discaling roll double-roll crusher or matsurface oppositely rolling roller crusher;
When described secondary attrition crushing equipment is for the treatment of building construction rubbish, adopt triangle bar tooth discaling roll double-roll crusher; When described secondary attrition crushing equipment is for the treatment of decoration building waste, adopt matsurface oppositely rolling roller crusher.
Described triangle bar tooth discaling roll double-roll crusher is exactly modified toothed roll crusher, and described modified toothed roll crusher is on pair roller roll surface, be distributed with some longitudinal directions through triangle vertical bar tooth, and pair roller running intermediate cam shape vertical bar tooth is in occlusion shape.This structure be both conducive to occlusion material, anti-skidding, avoid pair roller idle work, be conducive to again extruding the concrete pulverized and tiny reinforcing bar is wrapped up in, make again tiny reinforcing bar S-type, avoid reinforcing bar to be wound around pair roller.
The pair roller gap of described secondary attrition crushing equipment is adjustable, thus realize the building waste residue preparing different-grain diameter, so that follow-up deep processing equipment needs the building waste residue of different-grain diameter, building waste residue is processed into regenerated coarse aggregate, recycled fine aggregate and regenerated powder.
The chain scraper conveyor that described steel construction conveyer is made up of some block plates or steel pipe or roller conveyer, steel construction conveyer, normal length is two meters, be arranged on squeezing crusher discharging opening bottom, to improve conveyer durability, avoid forcing the attrition crushing crusher machine reinforcing bar out of blanking, irregular concrete batters, it is bad to stab.The mass motion of described steel construction conveyer hauls material and moves ahead, and falls into foreign material Sorting & Picking System and continues to move ahead, the impurityes such as manual sorting's wooden unit, fabric.
The input of described one-level foreign material Sorting & Picking System is lower than the output of steel construction conveyer, the input of this one-level foreign material Sorting & Picking System is about 10 centimeters with the difference in height lower than the output of steel construction conveyer, this difference in height of 10 centimeters is equivalent to a step, is conducive to broken compound continus convergence out.
Described roller bearing separating conveyer is arranged on secondary attrition crushing equipment bottom, the roller conveyer be made up of several metal tubes.
When processing building construction rubbish, the roller gap of roller bearing separating conveyer is adjusted to 5-10mm;
When processing decoration building waste, the roller gap of roller bearing separating conveyer is adjusted to 10-15mm.
The roller gap of described roller bearing separating conveyer is adjustable, and roller bearing separating conveyer bottom arranges hopper and conveyer.The roller bearing rotation of roller bearing separating conveyer and mass motion haul regeneration feed and to move ahead conveying, and roller bearing self rotates simultaneously.
Roller bearing separating conveyer has two effects: 1) durable.Because if be belt conveyor, smash fragile, so roller conveyer can avoid tiny reinforcing bar to stab bad roller conveyer by tiny reinforcing bar stamp; 2) when processing building construction rubbish, roller gap is adjusted to 5-10mm, is used for dregs and is separated with compound; When processing decoration building waste, roller gap is adjusted to 10-15mm, is used for building slag and is separated with lightweight combustible.
The input of described secondary foreign material Sorting & Picking System is lower than the output of roller bearing separating conveyer, the input of this secondary foreign material Sorting & Picking System is about 10 centimeters lower than the output of roller bearing separating conveyer, this discrepancy in elevation of 10 centimeters is equivalent to a step, is conducive to broken compound continus convergence out.
Described foreign material Sorting & Picking System can be chain and pan conveyor, roller conveyer or belt type conveyer.Foreign material Sorting & Picking System is conveyer that is wide, plane, is beneficial to building waste compound of making thinner, is convenient to the impurityes such as manual sorting's wooden unit, fabric.
It is broken that described one-level attrition crushing equipment realizes the splitting of large gauge building waste.Described secondary attrition crushing equipment realizes tiny reinforcing bar and concrete is peeled off.Described one-level attrition crushing equipment and secondary attrition crushing equipment combination of extrusion are broken, realize construction waste crushing and reinforcing bar and concrete stripping, do not make the lightweight combustible overbreaks such as wooden unit again, be conducive to sorting.
When the material through twice attrition crushing is by roller bearing separating conveyer, be less than the more dregs of 5mm clay content and fall to entering the second hopper from roller bearing 5-10mm gap, this 5-10mm gap can regulate as required, is exported by the first belt conveyor; Be greater than 5mm material to move ahead and to run continuously with the secondary foreign material Sorting & Picking System docked, the regeneration feed of the comparatively sublimate being greater than 5mm is transported to feed bin, or directly enter next procedure deep processing regeneration aggregate, reclaimed sand, again fecula, or produce the steady roadbed material of water as water steady roadbed material raw material and cement, lime mix, or sell for the inserts such as road, foundation engineering as the building waste through harmlessness disposing.At present, building waste not through harmless treatment directly as roadbed, foundation engineering inserts, leave hidden dangers in project.
A kind of building waste combination of extrusion method for innocent treatment of the present invention, step is as follows:
The first step, feed: building waste transport vehicle or loading machine, pour the first hopper into building waste, enters batcher by the first hopper, and building waste is sent into one-level attrition crushing equipment by batcher;
Second step, one-level coarse crushing building waste: the extruding of one-level attrition crushing equipment, splitting, broken building waste, construction waste crushing to below 200mm;
3rd step, one-level are separated impurity: building waste is discharged from the lower part outlet of one-level attrition crushing equipment, fall on steel construction conveyer, steel construction conveyer flows to the compound after thick breaking on one-level foreign material Sorting & Picking System, one-level foreign material Sorting & Picking System conveying compound, one-level magnetic plant magnetic separation rebar separator, the impurity on manual sorting's one-level foreign material Sorting & Picking System in compound;
Broken building waste in 4th step, secondary: secondary attrition crushing equipment secondary extrusion, block, broken thick broken compound out, the pair roller triangle discaling roll occlusion of secondary attrition crushing equipment, broken and peel off concrete on tiny reinforcing bar; Regulate the gap of secondary attrition crushing equipment two roller, when secondary attrition crushing device roller crushes gravel-concrete building waste, pair roller opened gap is greater than pair roller opened gap when secondary attrition crushing device roller crushes broken brick-and-concrete buildings rubbish;
5th step, the second-order separation impurity: the building waste through twice attrition crushing passes through roller bearing separating conveyer, the dregs being less than 5mm falls to entering the second hopper from the roller bearing 5-10mm gap of roller bearing separating conveyer, is exported by the first belt conveyor; Be greater than 5mm material to be moved ahead by the conveying of roller bearing separating conveyer, fall into secondary foreign material Sorting & Picking System, be arranged on the secondary magnetic separation equipment magnetic separation rebar separator on secondary foreign material Sorting & Picking System top, manually pick the foreign material on secondary foreign material Sorting & Picking System, material moves ahead, and the building waste residue being greater than 5mm is transported to feed bin or directly enters next procedure.
Beneficial effect of the present invention:
1, metal object is separated comparatively clean
The present invention takes two-stage combination of extrusion broken, and the second level is oppositely rolling roller crusher attrition crushing, what reinforcing bar and concrete were peeled off is comparatively clean, avoid independent jaw attrition crushing equipment Intermittent pneumatic compression and peel off sordid problem, both be conducive to reinforcing bar to reclaim, in turn ensure that the disposal of next procedure construction refuse resource, the tiny reinforcing bar of commercialization process are to the harm of equipment, realize natural labor.
2, lightweight combustible is separated comparatively clean
Pair roller type disintegrating apparatus, belongs to static pressure equipment.Two-stage extruding of the present invention is pulverized, be conducive to reinforcing bar and concrete is peeled off, lightweight combustible is not easily crossed and is pulverized simultaneously, be conducive to the lightweight combustible impurityes such as manual sorting's wooden unit, woven bag, fabric, by two level sortations, separation, substantially can ensure pretreated building waste residue material degree of purity, be the regeneration of building waste residue resource, produce high quality recycled aggregates, reclaimed sand, again fecula provide guarantee.
3, earth is peeled off comparatively clean
The continuous turning over materials of rotation roller conveyer, be less than 5mm containing the larger architecture sediment of soil amount by roller bearing separating conveyer time, fall to bottom hopper, realize earth to be separated, be advanced into feed bin before being greater than the building waste residue continuation of 5mm, both simple and convenient, efficiency is high again.Avoid regrown material to contain soil, be conducive to ensureing regrown material quality.
Roller bearing separating conveyer dual-use, not only convey materials but also be separated dregs, decrease screening machine screening and remove a native procedure, decrease screening machine power consumption.
4, the ratio of reduction is large, is conducive to improving next procedure production capacity
Twice attrition crushing, it is large that the ratio of reduction breaks the attrition crushing ratio of reduction than single jaw.Ordinary circumstance, this programme building waste pretreatment building waste residue out, most of building waste residue mixed material is less than 50mm, and building waste residue applies extruding force through twice, building waste residue is with crackle, be conducive to lower road disintegrating apparatus and increase substantially brokenly mill production capacity, thus realize improving construction refuse resource disposal ability, reduce energy consumption.
5, be conducive to construction refuse regenerated materials classification to reclaim
Extruding is pulverized selective molecular attraction phenomenon and is given prominence to.The technical program process concrete construction rubbish, is conducive to reinforcing bar and is separated with concrete, do not make stone overbreak again, be beneficial to reclaiming coarse aggregate; Process brick-and-concrete buildings rubbish, is conducive to fired brick and is separated with sandstone.When extruding force puts on combination construction rubbish, produce selective molecular attraction phenomenon, i.e. extruding force transmission, the material that the material crushing strength that intensity is high is low, sandstone becomes extrusion medium extruding fired brick, and in concrete, stone can keep original particle diameter substantially, and brickbat is ground into less particle.
6, noise is little, Dust Capacity is little
Attrition crushing belongs to static pressure fragmentation, and than strikeing back, broken impact grinding noise is little, Dust Capacity is little, and dust, noise easily control.
7, tentatively realize commercialization to dispose
The building waste residue compound that combination of extrusion fragmentation of the present invention is disposed out, belongs to the building waste residue compound through harmless treatment, and can directly use as the steady roadbed material of water, blending about 3% cement, can produce water stability detritus road engineering material.Water stability detritus roadbed material market price 80-120 unit ton.
8, building waste pretreatment is energy-conservation
The building waste pretreatment energy consumption of the technical program is on average less than 2kwh/t, and power consumption cost is less than 2 yuan/ton, simultaneously by crush after building waste internal batch have crackle, be conducive to backend resourcesization regeneration disposal enhance productivity, energy consumption reduce.
9, discharging-material size is adjustable
Technical solution of the present invention, in broken pair roller gap adjustable, as required, 30-100mm building waste residue compound can be produced.
10, appropriate resourcesization recycling enterprise harmless treatment configuration
Construction refuse resource recycling enterprise of China, building waste harmless treatment is basis.Metal object in building waste, combustible, earth are peeled off, and are related to that recycling enterprise produces smoothly, regenerated construction material quality etc.
11, the specialized building waste harmlessness disposing of suitable government
Government's environmental protection project, building waste is processed into building waste residue, then be sold to and need the unit of building waste residue directly to use, or applying unit adopts the deep processing of closed module treating apparatus to become reclaimed sand, again fecula again, construction refuse resource of also can yet be regarded as recycling effective means.Such government environmental protection project disposal process is simple, and investment reduces.
Accompanying drawing explanation
Fig. 1 is connection block diagram of the present invention.
Fig. 2 is the connection block diagram of control system of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.Should be understood that following examples only for illustration of the present invention but not for limiting scope of the present invention.
Embodiment 1, building waste combination of extrusion innocuity disposal system are for the treatment of building construction rubbish
As shown in Figure 1, a kind of building waste combination of extrusion innocuity disposal system of the present invention, comprise one-level attrition crushing equipment 1, steel construction conveyer 2, one-level foreign material Sorting & Picking System 3 and one-level magnetic plant 4, the output of one-level attrition crushing equipment 1 is corresponding with steel construction conveyer 2 input, the output of steel construction conveyer 2 is corresponding with the input of one-level foreign material Sorting & Picking System 3, one-level magnetic plant 4 is arranged at the top of one-level foreign material Sorting & Picking System 3, also comprise secondary attrition crushing equipment 5, roller bearing separating conveyer 6, secondary foreign material Sorting & Picking System 7 and secondary magnetic separation equipment 8, the input of secondary attrition crushing equipment 5 and output are corresponding with the output of one-level foreign material Sorting & Picking System 3 and the input of roller bearing separating conveyer 6 respectively, the output of roller bearing separating conveyer 6 is corresponding with secondary foreign material Sorting & Picking System 7 input, secondary magnetic separation equipment 8 is arranged at the top of secondary foreign material Sorting & Picking System 7.
Described building waste combination of extrusion innocuity disposal system also comprises batcher 9, first hopper 10, dust-precipitator 15 and control system 16, the output of the first hopper 10 is corresponding with the input of batcher 9, the output of described batcher 9 is corresponding with the input of one-level attrition crushing equipment 1, control system 16 respectively with one-level attrition crushing equipment 1, steel construction conveyer 2, one-level foreign material Sorting & Picking System 3, one-level magnetic plant 4, secondary attrition crushing equipment 5, roller bearing separating conveyer 6, secondary foreign material Sorting & Picking System 7, secondary magnetic separation equipment 8 and dust-precipitator 15 are electrically connected, dust-precipitator 15 is corresponding with the output of secondary foreign material Sorting & Picking System 7.
Described a kind of building waste combination of extrusion innocuity disposal system, in building waste pretreatment, one-level attrition crushing equipment 1 is that one-level is slightly broken, secondary attrition crushing equipment 5 is broken in secondary or thin broken, broken the breaking with secondary of one-level is all attrition crushing, two attrition crushing equipment combination of extrusion are broken, realize the pretreated coarse crushing of building waste, in broken or in small, broken bits, peel off the concrete on tiny reinforcing bar, do not make the lightweight combustible overbreaks such as soft wooden unit again simultaneously, be conducive to division of labor sorting and be separated.
Described one-level attrition crushing equipment 1 is discaling roll attrition crushing equipment or jaw attrition crushing equipment; Described discaling roll attrition crushing equipment be two opposite direction rotatings pair roller roll surface on be distributed with the toothed roll crusher of tooth.This discaling roll attrition crushing equipment is conducive to occlusion material and splitting broken material; Described jaw attrition crushing equipment is that jaw breaks machine.
Described one-level attrition crushing equipment 1 is discaling roll attrition crushing equipment;
Described secondary attrition crushing equipment 5 is triangle bar tooth discaling roll double-roll crusher, point-like tooth formula discaling roll double-roll crusher or matsurface oppositely rolling roller crusher;
When described secondary attrition crushing equipment 5 is for the treatment of building construction rubbish, adopt triangle bar tooth discaling roll double-roll crusher;
Described triangle bar tooth discaling roll double-roll crusher is exactly modified toothed roll crusher, and described modified toothed roll crusher is on pair roller roll surface, be distributed with some longitudinal directions through triangle vertical bar tooth, and pair roller running intermediate cam shape vertical bar tooth is in occlusion shape.This structure be both conducive to occlusion material, anti-skidding, avoid pair roller idle work, be conducive to again extruding the concrete pulverized and tiny reinforcing bar is wrapped up in, make again tiny reinforcing bar S-type, avoid reinforcing bar to be wound around pair roller.
The pair roller gap of described secondary attrition crushing equipment 5 is adjustable, thus realize the building waste residue preparing different-grain diameter, so that follow-up deep processing equipment needs the building waste residue of different-grain diameter, building waste residue is processed into regenerated coarse aggregate, recycled fine aggregate and regenerated powder.
The chain scraper conveyor that described steel construction conveyer 2 is made up of some block plates or steel pipe or roller conveyer, steel construction conveyer 2, normal length is two meters, be arranged on squeezing crusher discharging opening bottom, to improve conveyer durability, avoid forcing the attrition crushing crusher machine reinforcing bar out of blanking, irregular concrete batters, it is bad to stab.The mass motion of described steel construction conveyer 2 hauls material and moves ahead, and falls into foreign material Sorting & Picking System and continues to move ahead, the impurityes such as manual sorting's wooden unit, fabric.
The input of described one-level foreign material Sorting & Picking System 3 is lower than the output of steel construction conveyer 2, the input of this one-level foreign material Sorting & Picking System 3 is about 10 centimeters with the difference in height lower than the output of steel construction conveyer 2, this difference in height of 10 centimeters is equivalent to a step, is conducive to broken compound continus convergence out.
Described roller bearing separating conveyer 6 is arranged on secondary attrition crushing equipment 5 bottom, the roller conveyer be made up of several metal tubes.
The roller gap of described roller bearing separating conveyer 6 is adjustable, and roller bearing separating conveyer 6 bottom arranges the second hopper 12 and secondary foreign material Sorting & Picking System 7.The roller bearing rotation of roller bearing separating conveyer 6 and mass motion haul regeneration feed and to move ahead conveying, and roller bearing self rotates simultaneously.
Roller bearing separating conveyer 6 has two effects: 1) durable.Because if be belt conveyor, smash fragile, so roller conveyer can avoid tiny reinforcing bar to stab bad roller conveyer by tiny reinforcing bar stamp; 2) when processing building construction rubbish, roller gap is adjusted to 5-10mm, is used for dregs and is separated with compound.
The input of described secondary foreign material Sorting & Picking System 7 is lower than the output of roller bearing separating conveyer 6, the input of this secondary foreign material Sorting & Picking System 7 is about 10 centimeters lower than the output of roller bearing separating conveyer 6, this discrepancy in elevation of 10 centimeters is equivalent to a step, is conducive to broken compound continus convergence out.
Described foreign material Sorting & Picking System can be chain and pan conveyor, roller conveyer or belt type conveyer.Foreign material Sorting & Picking System is conveyer that is wide, plane, is beneficial to building waste compound of making thinner, is convenient to the impurityes such as manual sorting's wooden unit, fabric.
It is broken that described one-level attrition crushing equipment 1 realizes the splitting of large gauge building waste.Described secondary attrition crushing equipment 5 realizes tiny reinforcing bar and concrete is peeled off.Described one-level attrition crushing equipment 1 and secondary attrition crushing equipment 5 combination of extrusion are broken, realize construction waste crushing and reinforcing bar and concrete stripping, do not make the lightweight combustible overbreaks such as wooden unit again, be conducive to sorting.
When the material of twice attrition crushing is by roller bearing separating conveyer 6, be less than the more dregs of 5mm clay content and fall to entering dregs recovery bucket from roller bearing 5-10mm gap, this 5-10mm gap can regulate as required, is exported by the first belt conveyor; Be greater than 5mm material to move ahead and to run continuously with the secondary foreign material Sorting & Picking System 7 docked, the regeneration feed of the comparatively sublimate being greater than 5mm is transported to feed bin, or directly enter next procedure deep processing regeneration aggregate, reclaimed sand, again fecula, or produce the steady roadbed material of water as water steady roadbed material raw material and cement, lime mix, or sell for the inserts such as road, foundation engineering as the building waste through harmlessness disposing.At present, building waste not through harmless treatment directly as roadbed, foundation engineering inserts, leave hidden dangers in project.
Building waste combination of extrusion innocuity disposal system year of the present invention disposes 500,000 tons of building wastes, and the parameter of each equipment is as follows:
Embodiment 2, building waste combination of extrusion method for innocent treatment
As depicted in figs. 1 and 2, a kind of building waste combination of extrusion method for innocent treatment of the present invention, step is as follows:
The first step, feed: building waste transport vehicle or loading machine, described building waste transport vehicle and loading machine are transporting equipment 20, described transporting equipment 20 pours the first hopper 10 into building waste, enters batcher 9 by hopper, and building waste is sent into one-level attrition crushing equipment 1 by batcher 9;
Second step, one-level coarse crushing building waste: one-level attrition crushing equipment 1 extrudes, splitting, broken building waste, construction waste crushing to below 200mm;
3rd step, one-level are separated impurity: building waste is discharged from the lower part outlet of one-level attrition crushing equipment 1, fall on steel construction conveyer 2, steel construction conveyer 2 flows to the compound after thick breaking on one-level foreign material Sorting & Picking System 3, one-level foreign material Sorting & Picking System 3 carries compound, one-level magnetic plant 4 magnetic separation rebar separator, the impurity on manual sorting's one-level foreign material Sorting & Picking System 3 in compound;
Broken building waste in 4th step, secondary: secondary attrition crushing equipment 5 secondary extrusion, block, broken thick broken compound out, the pair roller triangle discaling roll occlusion of secondary attrition crushing equipment 5, broken and peel off concrete on tiny reinforcing bar; Regulate the gap of secondary attrition crushing equipment 5 liang of rollers, pair roller opened gap when pair roller opened gap is greater than secondary attrition crushing equipment 5 roller crushing brick-and-concrete buildings rubbish during secondary attrition crushing equipment 5 roller crushing concrete construction rubbish;
5th step, the second-order separation impurity: when the building waste of twice attrition crushing is by roller bearing separating conveyer 6, the dregs being less than 5mm falls to entering the second hopper 12 from the roller bearing 5-10mm gap of roller bearing separating conveyer 6, is exported by the first belt conveyor 13; Be greater than 5mm material to be moved ahead by roller bearing separating conveyer 6 conveying, fall into secondary foreign material Sorting & Picking System 7, be arranged on the secondary magnetic separation equipment 8 magnetic separation rebar separator on secondary foreign material Sorting & Picking System 7 top, manually pick the foreign material on secondary foreign material Sorting & Picking System 7, material moves ahead, and the building waste residue being greater than 5mm is transported to feed bin or directly enters next procedure 14.
The extruding of the present embodiment is broken extrudes broken two-stage combination of extrusion fragmentation with discaling roll, both can meet building refuse concrete brittle material broken, and tiny reinforcing bar and concrete peeled off, avoids again the overbreak of lightweight combustible soft material.
The pair roller type attrition crushing of two opposite direction rotatings of the present embodiment, the building waste be extruded is continuously stressed, avoids the situation of jaw broken " one one conjunction ", is conducive to reinforcing bar and concrete stripping, again overcrushing is unlikely to lightweight combustible flexible material simultaneously, is conducive to sorting impurity.
Embodiment 3
Building waste combination of extrusion innocuity disposal system is for the treatment of decoration building waste
As shown in Figure 1, the difference of the present embodiment and embodiment 1 is, described secondary attrition crushing equipment 5 is matsurface oppositely rolling roller crushers.
When described roller bearing separating conveyer 6 processes decoration building waste, roller gap is adjusted to 10-15mm, is used for building slag and is separated with lightweight combustible.
During described system process decoration building waste, be provided with charging gear between one-level foreign material Sorting & Picking System 3 and secondary attrition crushing equipment 5, described charging gear is Bar strip type charging gear, and described rod gap is 50mm.
In described process decoration building waste combination of extrusion method for innocent treatment, decoration building waste one-level attrition crushing equipment 1 carries out one-level attrition crushing, brickbat, gravel-concrete are crushed to granule, and wooden unit, fabric are crushed, on one-level foreign material Sorting & Picking System 3 manual sorting go out should not as the electric wire of fuel, plastics etc.; Materials device is set on secondary attrition crushing equipment 5 top, this charging gear is Bar strip type, rod gap is 50mm, secondary attrition crushing equipment 5 is fallen into broken after the material being less than 50mm that one-level attrition crushing equipment 1 exports enters charging gear by one-level foreign material Sorting & Picking System 3, the material being greater than 50mm that one-level attrition crushing equipment 1 exports enters collection bucket by charging gear, the material being less than 50mm is based on the granule of brickbat, gravel-concrete, and the material being greater than 50mm is based on the material of the combustibles such as wooden unit.
The compound of secondary attrition crushing equipment 5 enters cage drum sieve and isolates and build slag and combustible, and building slag can as the light partition wall such as regeneration brick, building block production of articles raw material, has that quality is light, intensity high.Combustible can be compressed into cubic block as fuel use etc.Enter the combustibles such as the wooden unit of collection bucket, can directly pack, compress and use as fuel, or be broken into chip again, through rotary screen isolate build slag after recompress into cubic block as uses such as fuel.
The harmless treatment of decoration building waste, adopt technical scheme of the present invention, because brickbat, gravel-concrete belong to fragile material, the combustible such as wooden unit, fabric belongs to flexible material, so brickbat, gravel-concrete are substantially by roller crushing, and wooden unit, fabric can be flattened by roll-in and not have overbreak.
The present embodiment can solve each big and medium-sized cities decoration building waste harmless treatment problem.Decoration building waste feature is broken, little, and composition is more complicated.Decoration building waste brickbat and gravel-concrete remain leading composition, and weight ratio more than 90% is brickbat, gravel-concrete, but the combustible such as wooden unit, fabric is obviously more than building construction rubbish.So decoration construction refuse resource direction remains obtain brickbat, gravel-concrete waste residue.The combustible calorific value separated is higher, can use as manufacture of cement fuel or as waste-to-energy plant combustible energy and material.Relevant achievement in research shows, the combustible that China's decoration building waste is stripped out, and burning is substantially non-toxic, is suitable for using as manufacture of cement fuel or as waste-to-energy plant combustible energy and material.
Claims (6)
1. a building waste combination of extrusion innocuity disposal system, comprise one-level attrition crushing equipment, steel construction conveyer, one-level foreign material Sorting & Picking System and one-level magnetic plant, the output of one-level attrition crushing equipment is corresponding with steel construction conveyer input, the output of steel construction conveyer is corresponding with the input of one-level foreign material Sorting & Picking System, one-level magnetic plant is arranged at the top of one-level foreign material Sorting & Picking System, also comprise secondary attrition crushing equipment, roller bearing separating conveyer, secondary foreign material Sorting & Picking System and secondary magnetic separation equipment, the input of secondary attrition crushing equipment and output are corresponding with the output of one-level foreign material Sorting & Picking System and the input of roller bearing separating conveyer respectively, the output of roller bearing separating conveyer is corresponding with secondary foreign material Sorting & Picking System input, secondary magnetic separation equipment is arranged at the top of secondary foreign material Sorting & Picking System, also comprise batcher, first hopper, dust-precipitator and control system, the output of the first hopper is corresponding with the input of batcher, the output of described batcher is corresponding with the input of one-level attrition crushing equipment, control system respectively with one-level attrition crushing equipment, steel construction conveyer, one-level foreign material Sorting & Picking System, one-level magnetic plant, secondary attrition crushing equipment, roller bearing separating conveyer, secondary foreign material Sorting & Picking System, secondary magnetic separation equipment and dust-precipitator electrical connection, dust-precipitator is corresponding with the output of secondary foreign material Sorting & Picking System, described one-level attrition crushing equipment is discaling roll attrition crushing equipment or jaw attrition crushing equipment, described discaling roll attrition crushing equipment be two opposite direction rotatings pair roller roll surface on be distributed with the toothed roll crusher of tooth, described jaw attrition crushing equipment is that jaw breaks machine, it is characterized in that,
Described secondary attrition crushing equipment is exactly triangle bar tooth discaling roll double-roll crusher, point-like tooth formula discaling roll double-roll crusher or matsurface oppositely rolling roller crusher;
When described secondary attrition crushing equipment is for the treatment of building construction rubbish, adopt triangle bar tooth discaling roll double-roll crusher; When described secondary attrition crushing equipment is for the treatment of decoration building waste, adopt matsurface oppositely rolling roller crusher;
Described triangle bar tooth discaling roll double-roll crusher is exactly modified toothed roll crusher, and described modified toothed roll crusher is on pair roller roll surface, be distributed with some longitudinal directions through triangle vertical bar tooth.
2. building waste combination of extrusion innocuity disposal system as claimed in claim 1, it is characterized in that, the pair roller gap of described secondary attrition crushing equipment is adjustable.
3. building waste combination of extrusion innocuity disposal system as claimed in claim 2, is characterized in that, the chain scraper conveyor that described steel construction conveyer is made up of some block plates or steel pipe or roller conveyer.
4. building waste combination of extrusion innocuity disposal system as claimed in claim 3, is characterized in that, the input of described one-level foreign material Sorting & Picking System is lower than the output of steel construction conveyer;
The input of described secondary foreign material Sorting & Picking System is lower than the output of roller bearing separating conveyer.
5. building waste combination of extrusion innocuity disposal system as claimed in claim 4, it is characterized in that, described roller bearing separating conveyer is arranged on secondary attrition crushing equipment bottom, the roller conveyer be made up of several metal tubes;
When system process building construction rubbish, the roller gap of roller bearing separating conveyer is adjusted to 5-10mm;
When system process decoration building waste, the roller gap of roller bearing separating conveyer is adjusted to 10-15mm.
6. the building waste combination of extrusion method for innocent treatment as described in as arbitrary in claim 1 to 5, it is characterized in that, step is as follows:
The first step, feed: building waste transport vehicle or loading machine, pour the first hopper into building waste, enters batcher by the first hopper, and building waste is sent into one-level attrition crushing equipment by batcher;
Second step, one-level coarse crushing building waste: the extruding of one-level attrition crushing equipment, splitting, broken building waste, construction waste crushing to below 200mm;
3rd step, one-level are separated impurity: building waste is discharged from the lower part outlet of one-level attrition crushing equipment, fall on steel construction conveyer, steel construction conveyer flows to the compound after thick breaking on one-level foreign material Sorting & Picking System, one-level foreign material Sorting & Picking System conveying compound, one-level magnetic plant magnetic separation rebar separator, the impurity on manual sorting's one-level foreign material Sorting & Picking System in compound;
Broken building waste in 4th step, secondary: secondary attrition crushing equipment secondary extrusion, block, broken thick broken compound out, the pair roller triangle discaling roll occlusion of secondary attrition crushing equipment, broken and peel off concrete on tiny reinforcing bar; Regulate the gap of secondary attrition crushing equipment two roller, when secondary attrition crushing device roller crushes gravel-concrete building waste, pair roller opened gap is greater than pair roller opened gap when secondary attrition crushing device roller crushes broken brick-and-concrete buildings rubbish;
5th step, the second-order separation impurity: the building waste through twice attrition crushing passes through roller bearing separating conveyer, the dregs being less than 5mm falls to entering the second hopper from the roller bearing 5-10mm gap of roller bearing separating conveyer, is exported by the first belt conveyor; Be greater than 5mm material to be moved ahead by the conveying of roller bearing separating conveyer, fall into secondary foreign material Sorting & Picking System, be arranged on the secondary magnetic separation equipment magnetic separation rebar separator on secondary foreign material Sorting & Picking System top, manually pick the foreign material on secondary foreign material Sorting & Picking System, material moves ahead, and the building waste residue being greater than 5mm is transported to feed bin or directly enters next procedure.
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| CN201210541332.1A CN102974596B (en) | 2012-12-13 | 2012-12-13 | Construction waste co-extrusion harmless treatment system and method thereof |
| PCT/CN2013/071153 WO2014089927A1 (en) | 2012-12-13 | 2013-01-30 | Construction waste co-extrusion harmless treatment system and method thereof |
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| CN201210541332.1A CN102974596B (en) | 2012-12-13 | 2012-12-13 | Construction waste co-extrusion harmless treatment system and method thereof |
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| CN109985888A (en) * | 2017-12-29 | 2019-07-09 | 宜兴市恒邦环保有限公司 | A kind of processing method for building composting |
| CN108311519A (en) * | 2018-02-07 | 2018-07-24 | 上海绿环机械有限公司 | A kind of decoration building waste sorting sorting technique and system |
| CN109013647B (en) * | 2018-07-17 | 2021-04-16 | 广西南宁胜祺安科技开发有限公司 | Waste metal sorting and packaging system and sorting and packaging method thereof |
| CN109158147A (en) * | 2018-08-09 | 2019-01-08 | 河南畅慷环保科技有限公司 | A kind of construction waste processing unit |
| CN112191622B (en) * | 2020-09-23 | 2023-01-10 | 山东麒升新型材料有限公司 | Building concrete piece treatment facility |
| CN112439768A (en) * | 2020-10-16 | 2021-03-05 | 混楚(上海)环保设备制造有限公司 | Large-scale component processing system of waste concrete |
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| JPH04114780A (en) * | 1990-09-04 | 1992-04-15 | Towa Kogyo Kk | Method and apparatus for re-treating concrete waste |
| JP2760720B2 (en) * | 1992-11-26 | 1998-06-04 | 日立造船株式会社 | Recycled aggregate production equipment |
| CN2543619Y (en) * | 2002-04-29 | 2003-04-09 | 吴桐 | Urban building refuse comprehensive treatment and utilization system |
| CN101209454B (en) * | 2006-12-30 | 2012-09-26 | 上海德滨机械设备科技有限公司 | Building solid castoff specification regeneration system and method |
| CN101239804A (en) * | 2007-12-27 | 2008-08-13 | 北京恒业村科技有限公司 | The method of using construction waste to manufacture building materials |
| CN201442005U (en) * | 2009-04-15 | 2010-04-28 | 潍坊三建滨海建筑材料有限公司 | Construction waste comprehensive treatment equipment |
| FR2949361B1 (en) * | 2009-09-03 | 2011-09-23 | Nantet Locabennes | METHOD AND INSTALLATION FOR RECYCLING PLASTER WASTE |
| CN102009059A (en) * | 2010-10-15 | 2011-04-13 | 潍坊大于环保建材有限公司 | Construction waste comprehensive treatment method |
| CN202410742U (en) * | 2011-12-08 | 2012-09-05 | 平顶山市旭龙再生资源有限公司 | Roll crusher |
| CN203076319U (en) * | 2012-12-13 | 2013-07-24 | 上海国砼环保设备有限公司 | Innocent treatment system for construction waste by united extrusion |
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