CN102974596A - 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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- CN102974596A CN102974596A CN2012105413321A CN201210541332A CN102974596A CN 102974596 A CN102974596 A CN 102974596A CN 2012105413321 A CN2012105413321 A CN 2012105413321A CN 201210541332 A CN201210541332 A CN 201210541332A CN 102974596 A CN102974596 A CN 102974596A
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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
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 the comprehensive utilization of resources technical field, 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, earth three large problems, and the harmless treatment of decoration building waste is just more complicated.Practice shows that China's made from construction refuse resource is processed, and at first will solve harmless treatment.China's building waste harmless treatment need to consist of characteristics and building waste residue recycling treatment needs according to China's building waste, develops suitable harmless treatment equipment and process.
Building material sand, stone, powder, about 10% is used for roadbed material, and 90% will be converted into the various concrete base material products such as cement, concrete, mortar, plate brick.The made from construction refuse resource industry development is processed into the regrown material that can be used in the concrete base material products to building waste and is day by day seemed important.The regrown material that the concrete base material products uses should not contain metal object, combustible for example wood chip or fabric, earth, and namely metal object, combustible, earth are the harmful substances in the regrown material.Building waste is processed into the regrown material that suitable cement based building materials use, and the building waste harmless treatment is the basis.
At present, China's made from construction refuse resource is processed recycling business processes brick masonry structure building building waste, substantially do not realize the processing of building waste harmless treatment and sublimate, contain a certain amount of earth in the reclaimed sand that deals, contain the foreign material such as a certain amount of wood chip in the regeneration aggregate that deals, cause the regrown material user to hang back.
Flourish along with China's made from construction refuse resource industry, treating construction waste is processed future development towards scale.The building waste scale is processed, and usually needs two-part, two-step method to realize resource, commercialization processing, i.e. building waste harmless treatment and made from construction refuse resource, commercialization are processed.The key of building waste harmless treatment is to solve foreign material to separate, and the key that made from construction refuse resource, commercialization are processed is to solve separating of raw material and " grog ".The core that building waste is processed is isolation technics, and wherein broken grinding process selection is again key technology, is related to the science separation that building waste is processed.Facts have proved, use traditional jaw building stones fragmentation Wiring technology broken, that strike back broken and screening machine composition to process brick mixed building rubbish, have the problems such as the building waste disposal ability is low, processing is clean, the 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 also is not quite similar.The building waste composition consists of different, and building waste treatment facility and treatment process also are not quite similar.Firmly build section's political affairs center of grinding according to China and announce, before the year two thousand thirty, the old building of 20,000,000,000 square meters will be removed by China.These old buildings are the brick-and-concrete buildings that eighties of last century was built before the nineties mostly, and a small amount of is that xoncrete structure is built.The building waste that is Future in China discharging in 20 years is the brick-and-concrete buildings rubbish that fired brick and concrete consist of mostly.China's brick-and-concrete buildings rubbish characteristics are that tiny reinforcing bar is more, and the lightweight combustibles such as wooden unit, fabric are more, and earth is more.Realize made from construction refuse resource, will separate exactly above-mentioned three specific admixture things, realize harmless treatment, prepare qualified building waste residue.
Eighties of last century is before the nineties, China's economy is flourishing not, institute's room steel using amount that builds a house is less, and an outstanding feature is that pre-stress floor, lintel prefabricated board are that the use of fine steel rib concrete slab is popularized, and tiny reinforcing bar uses more in pre-stress floor and the lintel.The rejecting of these tiny reinforcing bars is the specific questions that exist in China's made from construction refuse resource processing procedure.Long, bar reinforcement because value is larger, just reclaim after commercial jump bit is peeled off concrete by removing at the scene of removing usually then and there, and tiny reinforcing bar can't be peeled off recovery at the construction field (site) usually.
The building waste harmless treatment is exactly the building waste preliminary treatment, prepare exactly and meet the raw material that made from construction refuse resource regeneration is processed, namely building waste is processed into that can to satisfy next procedure be that regeneration aggregate, reclaimed sand, regeneration powder are produced needed building waste residue raw material.Be the building waste harmless treatment, should satisfy large member construction waste crushing, satisfy again primary structural component reinforcing bar and concrete and peel off, isolate again the impurityes such as wooden unit, earth simultaneously.Be the building waste harmless treatment, should satisfy coarse crushing, in broken, satisfy again the impurityes such as reinforcing bar and wooden unit, earth and separate.
China's made from construction refuse resource is processed recycling enterprise at present, mostly is to adopt the broken Wiring technology of traditional jaw building stones broken and the broken combination of counterattack to process building waste.Traditional jaw broken and the broken building stones of the counterattack suitable suitable broken building stones of broken toe-in or broken plain concrete, but processing brick mixed building rubbish often can not satisfy the demand.Adopt jaw problem broken and that brick mixed building rubbish is processed in the broken combination of counterattack to be: first, jaw is broken to be that one one of " crocodile mouth " formula is closed intermittent attrition crushing, tiny reinforcing bar can not thoroughly separate with concrete, pre-stress floor concrete discontinuous after the fragmentation wrapping up in reinforcing bar, magnetic plant is difficult to absorption, magneticly elects and wrapping up in concrete tiny reinforcing bar, and by the manual sorting out wrapping up in concrete fine steel rib, need artificial the hammering peel off concrete, very trouble, and inefficiency.Be that the broken attrition crushing of one-level jaw is difficult to make tiny reinforcing bar and concrete thoroughly to be peeled off.Second, the broken impact grinder that belongs to high speed rotor impact, interior lining panel counterattack of counterattack, so contain tiny long reinforcing bar in the taboo material, because tiny long reinforcing bar can twine rotor or bar reinforcement can block rotor, simultaneously, the broken concrete of the rotor repeated stock of High Rotation Speed, brick also are broken into chip to wooden, fabric, separate thereby cause the lightweight combustible to be difficult to sorting.Made from construction refuse resource is processed, because reinforcing bar can cause shutdowns of getting stuck of next procedure equipment, reinforcing bar separates the whether clean natural labor that relates to the made from construction refuse resource deep processing equipment, and whether the impurity separation totally relates to the regrown material quality.
To sum up analyze, China will realize made from construction refuse resource, need to according to China's building waste characteristics, develop suitable treatment process and equipment.
Through the patented technology retrieval, there is not building waste combination of extrusion harmless treatment Patents document.
Summary of the invention
Primary and foremost purpose of the present invention just is to overcome the existing deficiency of existing building waste processing technology, thereby a kind of building waste combination of extrusion innocuity disposal system and method thereof are provided.
A kind of building waste combination of extrusion innocuity disposal system of the present invention, comprise one-level attrition crushing equipment, the 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, the one-level magnetic plant is arranged at the top of one-level foreign material Sorting ﹠ Picking System, also comprise secondary attrition crushing equipment, the roller bearing separating conveyer, secondary foreign material Sorting ﹠ Picking System and secondary magnetic separation equipment, the input of secondary attrition crushing equipment and the output respectively input with the output of one-level foreign material Sorting ﹠ Picking System and roller bearing separating conveyer are corresponding, the output of roller bearing separating conveyer is corresponding with secondary foreign material Sorting ﹠ Picking System input, and 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, the 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, the steel construction conveyer, one-level foreign material Sorting ﹠ Picking System, the one-level magnetic plant, secondary attrition crushing equipment, the roller bearing separating conveyer, secondary foreign material Sorting ﹠ Picking System, secondary magnetic separation equipment and dust-precipitator are electrically connected, and 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, one-level attrition crushing equipment is that one-level is slightly broken in the building waste preliminary treatment, secondary attrition crushing equipment is broken in the secondary or thin broken, broken the breaking with secondary of one-level all is 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 the tiny reinforcing bar, simultaneously do not make again the soft lightweight combustible overbreaks such as wooden unit, be conducive to division of labor sorting and separate.
Described one-level attrition crushing equipment is discaling roll attrition crushing equipment or jaw attrition crushing equipment; Be distributed with the toothed roll crusher of tooth on the pair roller roll surface that described discaling roll attrition crushing equipment is two opposite direction rotatings.This discaling roll attrition crushing equipment is conducive to interlock material and splitting broken material; Described jaw attrition crushing equipment is the broken machine of jaw.
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;
Described secondary attrition crushing equipment adopts triangle bar tooth discaling roll double-roll crusher during for the treatment of building construction rubbish; Described secondary attrition crushing equipment during building waste, adopts the matsurface oppositely rolling roller crusher for the treatment of decoration.
Described triangle bar tooth discaling roll double-roll crusher is exactly the modified toothed roll crusher, and described modified toothed roll crusher is to be distributed with some vertical perforation triangle vertical bar teeth at the pair roller roll surface, and pair roller running intermediate cam shape vertical bar tooth is the interlock shape.This structure both be conducive to the interlock material, anti-skidding, avoid the pair roller idle work, be conducive to again to push and pulverize the concrete of wrapping up on the tiny reinforcing bar, make again tiny reinforcing bar S-type, avoid reinforcing bar to twine pair roller.
The pair roller gap of described secondary attrition crushing equipment can be regulated, thereby realize preparing the building waste residue of different-grain diameter, so that follow-up deep processing equipment is processed into regenerated coarse aggregate, recycled fine aggregate and regenerated powder to building waste residue to the building waste residue needs of different-grain diameter.
Chain scraper conveyor or roller conveyer that described steel construction conveyer is comprised of some block plates or steel pipe, the steel construction conveyer, normal length is two meters, be arranged on squeezing crusher discharging opening bottom, to improve the conveyer durability, avoid forcing attrition crushing crusher machine reinforcing bar, the irregular concrete out of blanking to batter, stab bad.The mass motion of described steel construction conveyer hauls material and moves ahead, and falls into the 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 that is 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 out and carries continuously.
Described roller bearing separating conveyer is arranged on secondary attrition crushing equipment bottom, the roller conveyer that is comprised of several metal tubes.
When processing building construction rubbish, the roller gap of roller bearing separating conveyer is adjusted to 5-10mm;
When processing the 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 the regeneration feed conveying that moves ahead, simultaneously roller bearing self rotation.
The roller bearing separating conveyer has two effects: 1) durable.Because if be belt conveyor, it is fragile smash by tiny reinforcing bar stamp, so roller conveyer can avoid tiny reinforcing bar to stab bad roller conveyer; 2) when processing building construction rubbish, roller gap is adjusted to 5-10mm, is used for dregs to separate with compound; When processing the decoration building waste, roller gap is adjusted to 10-15mm, is used for building slag and separates with the lightweight combustible.
The input of described secondary foreign material Sorting ﹠ Picking System is lower than the output of roller bearing separating conveyer, the output that the input of this secondary foreign material Sorting ﹠ Picking System is lower than the roller bearing separating conveyer is about 10 centimeters, this discrepancy in elevation of 10 centimeters is equivalent to a step, is conducive to broken compound out and carries continuously.
Described foreign material Sorting ﹠ Picking System can be chain and pan conveyor, roller conveyer or belt type conveyer.The foreign material Sorting ﹠ Picking System is conveyer wide, the plane, and the building waste compound that is beneficial to make thinner is convenient to the impurityes such as manual sorting's wooden unit, fabric.
Described one-level attrition crushing equipment realizes that large specification building waste splitting is broken.Described secondary attrition crushing equipment realizes that tiny reinforcing bar and concrete peel 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 peeling off, and do not make again the lightweight combustible overbreaks such as wooden unit, are conducive to sorting.
When the material through twice attrition crushing passed through the roller bearing separating conveyer, the dregs more less than the 5mm clay content fell to entering the second hopper from roller bearing 5-10mm gap, and this 5-10mm gap can be regulated as required, is exported by the first belt conveyor; Move ahead greater than the 5mm material and to move continuously with the secondary foreign material Sorting ﹠ Picking System that docks, regeneration feed greater than the comparatively sublimate of 5mm is transported to feed bin, or directly enter next procedure deep processing regeneration aggregate, reclaimed sand, fecula again, or produce the steady roadbed material of water as the steady roadbed material raw material of water and cement, lime mix, or sell for inserts such as road, foundation engineerings as the building waste through harmlessness disposing.At present, building waste does not pass through harmless treatment directly as roadbed, foundation engineering inserts, leaves 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, building waste is poured into the first hopper, enter batcher by the first hopper, batcher is sent building waste into one-level attrition crushing equipment;
Second step, one-level coarse crushing building waste: the extruding of one-level attrition crushing equipment, splitting, broken building waste, construction waste crushing to 200mm;
The 3rd step, one-level are separated impurity: building waste is discharged from the lower part outlet of one-level attrition crushing equipment, fall on the steel construction conveyer, the steel construction conveyer flows to the compound after slightly breaking on the one-level foreign material Sorting ﹠ Picking System, one-level foreign material Sorting ﹠ Picking System is carried compound, one-level magnetic plant magnetic separation rebar separator, the impurity on manual sorting's one-level foreign material Sorting ﹠ Picking System in the compound;
The 4th step, broken building waste in the secondary: secondary attrition crushing equipment secondary extrusion, block, broken thick broken compound out, the interlock of pair roller triangle discaling roll, the fragmentation of secondary attrition crushing equipment and peel off concrete on the tiny reinforcing bar; Regulate the gap of secondary attrition crushing equipment two rollers, pair roller opened gap when the pair roller opened gap crushed the mixed structural construction rubbish of brickbat greater than secondary attrition crushing device roller when secondary attrition crushing device roller crushed the gravel-concrete building waste;
The 5th step, the second-order separation impurity: through the building waste of twice attrition crushing during by the roller bearing separating conveyer, fall to entering the second hopper less than the dregs of the 5mm roller bearing 5-10mm gap from the roller bearing separating conveyer, exported by the first belt conveyor; Moved ahead by the conveying of roller bearing separating conveyer greater than the 5mm material, 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 the secondary foreign material Sorting ﹠ Picking System, material moves ahead, and is transported to feed bin or directly enters next procedure greater than the building waste residue of 5mm.
Beneficial effect of the present invention:
1, metal object is separated comparatively clean
The present invention takes the two-stage combination of extrusion broken, and the second level is the oppositely rolling roller crusher attrition crushing, make comparatively clean that reinforcing bar and concrete peel off, avoided independent jaw formula attrition crushing equipment Intermittent pneumatic compression to peel off sordid problem, both being conducive to reinforcing bar reclaims, guaranteed that again the next procedure made from construction refuse resource is disposed, commercialization is processed tiny reinforcing bar to the harm of equipment, realized natural labor.
2, the lightweight combustible separates comparatively clean
The 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, the lightweight combustible was difficult for pulverizing 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 guarantee pretreated building waste residue material degree of purity, be the regeneration of building waste residue resource, produce high quality recycled aggregates, reclaimed sand, fecula provides assurance again.
3, earth is peeled off comparatively clean
The continuous turning over materials of rotation roller conveyer when passing through the roller bearing separating conveyer less than the larger architecture sediment of containing of 5mm of native amount, falls to the bottom hopper, realization earth separates, be advanced into feed bin before the building waste residue continuation greater than 5mm, both simple and convenient, efficient is high again.Avoid regrown material to contain soil, be conducive to guarantee the regrown material quality.
Roller bearing separating conveyer dual-use, not only convey materials but also separate dregs had reduced the screening machine screening and had removed a native procedure, had reduced the screening machine power consumption.
4, the ratio of reduction is large, is conducive to improve the next procedure production capacity
Twice attrition crushing, the ratio of reduction is larger than the broken attrition crushing ratio of reduction of single jaw.Ordinary circumstance, this programme building waste preliminary treatment building waste residue out, most of building waste residue mixed materials are 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 the mill production capacity, thereby realize improving the made from construction refuse resource disposal ability, reduce energy consumption.
5, being conducive to construction refuse regenerated materials classification reclaims
It is outstanding that selective crushing phenomenon is pulverized in extruding.The technical program is processed concrete construction rubbish, is conducive to reinforcing bar and separates with concrete, does not make again the stone overbreak, is beneficial to the reclaiming coarse aggregate; Process brick-and-concrete buildings rubbish, be conducive to fired brick and separate with sandstone.When extruding force puts on combination construction rubbish, produce selective crushing phenomenon, i.e. extruding force transmission, the low material of material crushing strength that intensity is high, sandstone becomes extrusion medium extruding fired brick, and stone can keep original particle diameter substantially in the concrete, and brickbat is ground into less particle.
6, noise is little, Dust Capacity is little
Attrition crushing belongs to the static pressure fragmentation, and broken impact grinding noise is little, Dust Capacity is little than strikeing back, and dust, noise are controlled easily.
7, tentatively realize the commercialization disposal
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, can directly use as the steady roadbed material of water, admixes 3% left and right sides cement, can the steady granular-type road engineering material of production water outlet.The steady broken stone road sill of water market price 80-120 unit ton.
8, the building waste preliminary treatment is energy-conservation
The building waste preliminary treatment energy consumption of the technical program is on average less than 2kwh/t, and power consumption cost has crackle by the building waste material inside after the crushing simultaneously less than 2 yuan/tons, be conducive to backend resources regeneration dispose enhance productivity, Energy Intensity Reduction.
9, discharging-material size is adjustable
Technical solution of the present invention, in broken pair roller gap adjustable, can as required, produce 30-100mm building waste residue compound.
10, suitable resource recycles enterprise's harmless treatment configuration
China made from construction refuse resource recycling enterprise, the building waste harmless treatment is the basis.Metal object, combustible, earth are peeled off in the building waste, 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 being sold to needs the unit of building waste residue directly to use, and perhaps applying unit adopts the deep processing of closed module treating apparatus to become reclaimed sand, fecula more again, the made from construction refuse resource of also can yet be regarded as recycling effective means.Government's environmental protection project disposal process is simple like this, and investment reduces.
Description of drawings
Fig. 1 is connection block diagram of the present invention.
Fig. 2 is the connection block diagram of control system of the present invention.
The specific embodiment
Below in conjunction with specific embodiment, the invention will be further described.Should be understood that following examples are only for explanation 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 inputs, 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 the output respectively input with the output of one-level foreign material Sorting ﹠ Picking System 3 and roller bearing separating conveyer 6 are corresponding, the output of roller bearing separating conveyer 6 is corresponding with secondary foreign material Sorting ﹠ Picking System 7 inputs, and 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, the 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, and 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, one-level attrition crushing equipment 1 is that one-level is slightly broken in the building waste preliminary treatment, secondary attrition crushing equipment 5 is broken in the secondary or thin broken, broken the breaking with secondary of one-level all is 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 the tiny reinforcing bar, simultaneously do not make again the soft lightweight combustible overbreaks such as wooden unit, be conducive to division of labor sorting and separate.
Described one-level attrition crushing equipment 1 is discaling roll attrition crushing equipment or jaw attrition crushing equipment; Be distributed with the toothed roll crusher of tooth on the pair roller roll surface that described discaling roll attrition crushing equipment is two opposite direction rotatings.This discaling roll attrition crushing equipment is conducive to interlock material and splitting broken material; Described jaw attrition crushing equipment is the broken machine of jaw.
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;
Described secondary attrition crushing equipment 5 adopts triangle bar tooth discaling roll double-roll crusher during for the treatment of building construction rubbish;
Described triangle bar tooth discaling roll double-roll crusher is exactly the modified toothed roll crusher, and described modified toothed roll crusher is to be distributed with some vertical perforation triangle vertical bar teeth at the pair roller roll surface, and pair roller running intermediate cam shape vertical bar tooth is the interlock shape.This structure both be conducive to the interlock material, anti-skidding, avoid the pair roller idle work, be conducive to again to push and pulverize the concrete of wrapping up on the tiny reinforcing bar, make again tiny reinforcing bar S-type, avoid reinforcing bar to twine pair roller.
The pair roller gap of described secondary attrition crushing equipment 5 can be regulated, thereby realize preparing the building waste residue of different-grain diameter, so that follow-up deep processing equipment is processed into regenerated coarse aggregate, recycled fine aggregate and regenerated powder to building waste residue to the building waste residue needs of different-grain diameter.
Chain scraper conveyor or roller conveyer that described steel construction conveyer 2 is comprised of some block plates or steel pipe, steel construction conveyer 2, normal length is two meters, be arranged on squeezing crusher discharging opening bottom, to improve the conveyer durability, avoid forcing attrition crushing crusher machine reinforcing bar, the irregular concrete out of blanking to batter, stab bad.Described steel construction conveyer 2 mass motions haul material and move ahead, and fall into the foreign material Sorting ﹠ Picking System and continue 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 that is 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 out and carries continuously.
Described roller bearing separating conveyer 6 is arranged on secondary attrition crushing equipment 5 bottoms, the roller conveyer that is comprised of several metal tubes.
The roller gap of described roller bearing separating conveyer 6 is adjustable, and roller bearing separating conveyer 6 bottoms arrange 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 the regeneration feed conveying that moves ahead, simultaneously roller bearing self rotation.
Roller bearing separating conveyer 6 has two effects: 1) durable.Because if be belt conveyor, it is fragile smash by tiny reinforcing bar stamp, so roller conveyer can avoid tiny reinforcing bar to stab bad roller conveyer; 2) when processing building construction rubbish, roller gap is adjusted to 5-10mm, is used for dregs to separate 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 output that the input of this secondary foreign material Sorting ﹠ Picking System 7 is lower than roller bearing separating conveyer 6 is about 10 centimeters, this discrepancy in elevation of 10 centimeters is equivalent to a step, is conducive to broken compound out and carries continuously.
Described foreign material Sorting ﹠ Picking System can be chain and pan conveyor, roller conveyer or belt type conveyer.The foreign material Sorting ﹠ Picking System is conveyer wide, the plane, and the building waste compound that is beneficial to make thinner is convenient to the impurityes such as manual sorting's wooden unit, fabric.
Described one-level attrition crushing equipment 1 realizes that large specification building waste splitting is broken.The described secondary attrition crushing equipment 5 tiny reinforcing bars of realization and concrete are 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 peeling off, and do not make again the lightweight combustible overbreaks such as wooden unit, are conducive to sorting.
When the material through twice attrition crushing passes through roller bearing separating conveyer 6, fall to entering dregs from roller bearing 5-10mm gap less than the more dregs of 5mm clay content and reclaim bucket, this 5-10mm gap can be regulated as required, is exported by the first belt conveyor; Move ahead greater than the 5mm material and to move continuously with the secondary foreign material Sorting ﹠ Picking System 7 that docks, regeneration feed greater than the comparatively sublimate of 5mm is transported to feed bin, or directly enter next procedure deep processing regeneration aggregate, reclaimed sand, fecula again, or produce the steady roadbed material of water as the steady roadbed material raw material of water and cement, lime mix, or sell for inserts such as road, foundation engineerings as the building waste through harmlessness disposing.At present, building waste does not pass through harmless treatment directly as roadbed, foundation engineering inserts, leaves hidden dangers in project.
Building waste combination of extrusion innocuity disposal system year of the present invention is disposed 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 is poured building waste into first hopper 10, enters batcher 9 by hopper, and batcher 9 is sent building waste into one-level attrition crushing equipment 1;
Second step, one-level coarse crushing building waste: 1 extruding of one-level attrition crushing equipment, splitting, broken building waste, construction waste crushing to 200mm;
The 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 the steel construction conveyer 2, steel construction conveyer 2 flows to the compound after slightly breaking on the one-level foreign material Sorting ﹠ Picking System 3, one-level foreign material Sorting ﹠ Picking System 3 is carried compound, one-level magnetic plant 4 magnetic separation rebar separators, the impurity on manual sorting's one-level foreign material Sorting ﹠ Picking System 3 in the compound;
The 4th step, broken building waste in the secondary: secondary attrition crushing equipment 5 secondary extrusion, block, broken thick broken compound out, the interlock of pair roller triangle discaling roll, the fragmentation of secondary attrition crushing equipment 5 and peel off concrete on the tiny reinforcing bar; Regulate the gap of 5 liang of rollers of secondary attrition crushing equipment, pair roller opened gap when the 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;
The 5th step, the second-order separation impurity: through the building waste of twice attrition crushing during by roller bearing separating conveyer 6, fall to entering the second hopper 12 less than the dregs of 5mm from the roller bearing 5-10mm gap of roller bearing separating conveyer 6, by 13 outputs of the first belt conveyor; Moved ahead by 6 conveyings of roller bearing separating conveyer greater than the 5mm material, fall into secondary foreign material Sorting ﹠ Picking System 7, be arranged on the secondary magnetic separation equipment 8 magnetic separation rebar separators on secondary foreign material Sorting ﹠ Picking System 7 tops, manually pick the foreign material on the secondary foreign material Sorting ﹠ Picking System 7, material moves ahead, and is transported to feed bin or directly enters next procedure 14 greater than the building waste residue of 5mm.
The extruding of present embodiment is broken broken with the broken two-stage combination of extrusion of discaling roll extruding, and it is broken both can to have satisfied the building refuse concrete brittle material, and tiny reinforcing bar and concrete are peeled off, and avoids again the overbreak of lightweight combustible soft material.
The pair roller type attrition crushing of two opposite direction rotatings of present embodiment, the building waste that is extruded is stressed continuously, has avoided the situation of jaw broken " is closed ", is conducive to reinforcing bar and concrete peeling off, simultaneously lightweight combustible flexible material is unlikely to again overcrushing, is conducive to sort impurity.
Embodiment 3
Building waste combination of extrusion innocuity disposal system is for the treatment of the decoration building waste
As shown in Figure 1, the difference of present embodiment and embodiment 1 is that described secondary attrition crushing equipment 5 is matsurface oppositely rolling roller crushers.
When described roller bearing separating conveyer 6 was processed the decoration building waste, roller gap was adjusted to 10-15mm, is used for building slag and separates with the lightweight combustible.
When described system processes the decoration building waste, be provided with charging gear between one-level foreign material Sorting ﹠ Picking System 3 and the secondary attrition crushing equipment 5, described charging gear is rod formula charging gear, and described rod gap is 50mm.
In the described processing decoration building waste combination of extrusion method for innocent treatment, the decoration building waste carries out the one-level attrition crushing with one-level attrition crushing equipment 1, brickbat, gravel-concrete are crushed to granule, and wooden unit, fabric be crushed, and the manual sorting goes out the electric wire that should not act as a fuel, plastics etc. on the one-level foreign material Sorting ﹠ Picking System 3; On secondary attrition crushing equipment 5 tops charging gear is set, this charging gear is the rod formula, the rod gap is 50mm, after entering charging gear by one-level foreign material Sorting ﹠ Picking System 3, the material less than 50mm of one-level attrition crushing equipment 1 output falls into 5 fragmentations of secondary attrition crushing equipment, the material greater than 50mm of one-level attrition crushing equipment 1 output enters collection bucket by charging gear, less than the material of 50mm for take brickbat, gravel-concrete as main granule, greater than the material of 50mm for take combustibles such as wooden units as main material.
The compound of secondary attrition crushing equipment 5 enters cage drum sieve and isolates and build slag and combustible, builds slag and can be used as the light partition wall production of articles raw materials such as regeneration brick, building block, has that quality is light, the intensity high.Combustible can be compressed into cubic block and regard fuel use etc.Enter the combustibles such as wooden unit of collection bucket, can directly pack, compress the use that acts as a fuel, perhaps be broken into again chip, isolate through rotary screen and recompress into the uses such as cubic block acts as a fuel after building slag.
The harmless treatment of decoration building waste, adopt technical scheme of the present invention, owing to brickbat, gravel-concrete belong to fragile material, the combustibles such as wooden unit, fabric belong to flexible material, so brickbat, gravel-concrete be basically by roller crushing, and wooden unit, fabric can be flattened by roll-in and do not have overbreak.
Present embodiment can solve each big and medium-sized cities decoration building waste harmless treatment problem.Decoration building waste characteristics are broken, little, and composition is more complicated.Decoration building waste brickbat and gravel-concrete remain leading composition, and weight ratio is brickbat, gravel-concrete more than 90%, but the combustibles such as wooden unit, fabric are obviously more than building construction rubbish.So remaining, decoration made from construction refuse resource direction obtains brickbat, gravel-concrete waste residue.The combustible calorific value that separates is higher, can be used as manufacture of cement fuel or uses as waste-to-energy plant combustible energy and material.Relevant achievement in research shows, the combustible that China's decoration building waste is peeled off out, and the basically avirulence of burning suits to use as manufacture of cement fuel or as waste-to-energy plant combustible energy and material.
Claims (9)
1. building waste combination of extrusion innocuity disposal system, comprise one-level attrition crushing equipment, the 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, the one-level magnetic plant is arranged at the top of one-level foreign material Sorting ﹠ Picking System, it is characterized in that, also comprise secondary attrition crushing equipment, the roller bearing separating conveyer, secondary foreign material Sorting ﹠ Picking System and secondary magnetic separation equipment, the input of secondary attrition crushing equipment and the output respectively input with the output of one-level foreign material Sorting ﹠ Picking System and roller bearing separating conveyer are corresponding, the output of roller bearing separating conveyer is corresponding with secondary foreign material Sorting ﹠ Picking System input, and secondary magnetic separation equipment is arranged at the top of secondary foreign material Sorting ﹠ Picking System.
2. building waste combination of extrusion innocuity disposal system as claimed in claim 1, it is characterized in that, also comprise batcher, the 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, the steel construction conveyer, one-level foreign material Sorting ﹠ Picking System, the one-level magnetic plant, secondary attrition crushing equipment, the roller bearing separating conveyer, secondary foreign material Sorting ﹠ Picking System, secondary magnetic separation equipment and dust-precipitator are electrically connected, and dust-precipitator is corresponding with the output of secondary foreign material Sorting ﹠ Picking System.
3. building waste combination of extrusion innocuity disposal system as claimed in claim 2 is characterized in that, described one-level attrition crushing equipment is discaling roll attrition crushing equipment or jaw attrition crushing equipment; Be distributed with the toothed roll crusher of tooth on the pair roller roll surface that described discaling roll attrition crushing equipment is two opposite direction rotatings; Described jaw attrition crushing equipment is the broken machine of jaw.
4. building waste combination of extrusion innocuity disposal system as claimed in claim 3 is characterized in that,
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;
Described secondary attrition crushing equipment adopts triangle bar tooth discaling roll double-roll crusher during for the treatment of building construction rubbish; Described secondary attrition crushing equipment during building waste, adopts the matsurface oppositely rolling roller crusher for the treatment of decoration;
Described triangle bar tooth discaling roll double-roll crusher is exactly the modified toothed roll crusher, and described modified toothed roll crusher is to be distributed with some vertical perforation triangle vertical bar teeth at the pair roller roll surface.
5. building waste combination of extrusion innocuity disposal system as claimed in claim 4 is characterized in that, the pair roller gap of described secondary attrition crushing equipment can be regulated.
6. building waste combination of extrusion innocuity disposal system as claimed in claim 5 is characterized in that, chain scraper conveyor or roller conveyer that described steel construction conveyer is comprised of some block plates or steel pipe.
7. building waste combination of extrusion innocuity disposal system as claimed in claim 6 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.
8. building waste combination of extrusion innocuity disposal system as claimed in claim 7 is characterized in that, described roller bearing separating conveyer is arranged on secondary attrition crushing equipment bottom, the roller conveyer that is comprised of several metal tubes;
When system processed building construction rubbish, the roller gap of roller bearing separating conveyer was adjusted to 5-10mm;
When system processed the decoration building waste, the roller gap of roller bearing separating conveyer was adjusted to 10-15mm.
9. one kind such as the arbitrary described building waste combination of extrusion method for innocent treatment of claim 1 to 8, it is characterized in that step is as follows:
The first step, feed: building waste transport vehicle or loading machine, building waste is poured into the first hopper, enter batcher by the first hopper, batcher is sent building waste into one-level attrition crushing equipment;
Second step, one-level coarse crushing building waste: the extruding of one-level attrition crushing equipment, splitting, broken building waste, construction waste crushing to 200mm;
The 3rd step, one-level are separated impurity: building waste is discharged from the lower part outlet of one-level attrition crushing equipment, fall on the steel construction conveyer, the steel construction conveyer flows to the compound after slightly breaking on the one-level foreign material Sorting ﹠ Picking System, one-level foreign material Sorting ﹠ Picking System is carried compound, one-level magnetic plant magnetic separation rebar separator, the impurity on manual sorting's one-level foreign material Sorting ﹠ Picking System in the compound;
The 4th step, broken building waste in the secondary: secondary attrition crushing equipment secondary extrusion, block, broken thick broken compound out, the interlock of pair roller triangle discaling roll, the fragmentation of secondary attrition crushing equipment and peel off concrete on the tiny reinforcing bar; Regulate the gap of secondary attrition crushing equipment two rollers, pair roller opened gap when the pair roller opened gap crushed the mixed structural construction rubbish of brickbat greater than secondary attrition crushing device roller when secondary attrition crushing device roller crushed the gravel-concrete building waste;
The 5th step, the second-order separation impurity: through the building waste of twice attrition crushing during by the roller bearing separating conveyer, fall to entering the second hopper less than the dregs of the 5mm roller bearing 5-10mm gap from the roller bearing separating conveyer, exported by the first belt conveyor; Moved ahead by the conveying of roller bearing separating conveyer greater than the 5mm material, 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 the secondary foreign material Sorting ﹠ Picking System, material moves ahead, and is transported to feed bin or directly enters next procedure greater than the building waste residue of 5mm.
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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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| CN105903739A (en) * | 2016-04-06 | 2016-08-31 | 张启志 | Storage apparatus and treating method for construction waste |
| 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 |
| CN109013647A (en) * | 2018-07-17 | 2018-12-18 | 广西南宁胜祺安科技开发有限公司 | A kind of waste metal sorting packaging system and its sorting packaging method |
| 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 |
| 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 |
| 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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| 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 |
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| CN102974596B (en) | 2015-07-08 |
| WO2014089927A1 (en) | 2014-06-19 |
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